NTN Large Bearings, 2250 by NTN Bearing Corporation of America

For New Technology Network

corporation

LARGE BEARINGS

CAT. NO.

2250-$/E

CONTENTS

Technical Data

A-

Deep Groove Ball Bearings

B-

Angular Contact Ball Bearings

B- 15

Cylindrical Roller Bearings

B- 37

Tapered Roller Bearings

B- 89

Spherical Roller Bearings

B-203

Thrust Bearings

B-227

Bearings for Special Applications

C-

Catalog List & Appendix Table

D-

Warranty NTN warrants, to the original purchaser only, that the delivered product which is the subject of this sale (a) will conform to drawings and specifications mutually established in writing as applicable to the contract, and (b) be free from defects in material or fabrication. The duration of this warranty is one year from date of delivery. If the buyer discovers within this period a failure of the product to conform to drawings or specifications, or a defect in material or fabrication, it must promptly notify NTN in writing. In no event shall such notification be received by NTN later than 13 months from the date of delivery. Within a reasonable time after such notification, NTN will, at its option, (a) correct any failure of the product to conform to drawings, specifications or any defect in material or workmanship, with either replacement or repair of the product, or (b) refund, in part or in whole, the purchase price. Such replacement and repair, excluding charges for labor, is at NTN's expense. All warranty service will be performed at service centers designated by NTN. These remedies are the purchaser's exclusive remedies for breach of warranty. NTN does not warrant (a) any product, components or parts not manufactured by NTN, (b) defects caused by failure to provide a suitable installation environment for the product, (c) damage caused by use of the product for purposes other than those for which it was designed, (d) damage caused by disasters such as fire, flood, wind, and lightning, (e) damage caused by unauthorized attachments or modification, (f) damage during shipment, or (g) any other abuse or misuse by the purchaser. THE FOREGOING WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. In no case shall NTN be liable for any special, incidental, or consequential damages based upon breach of warranty, breach of contract, negligence, strict tort, or any other legal theory,and in no case shall total liability of NTN exceed the purchase price of the part upon which such liability is based. Such damages include, but are not limited to, loss of profits, loss of savings or revenue, loss of use of the product or any associated equipment, cost of capital, cost of any substitute equipment, facilities or services, downtime, the claims of third parties including customers, and injury to property. Some states do not allow limits on warranties, or on remedies for breach in certain transactions. In such states, the limits in this paragraph and in paragraph (2) shall apply to the extent allowable under case law and statutes in such states. Any action for breach of warranty or any other legal theory must be commenced within 15 months following delivery of the goods. Unless modified in a writing signed by both parties, this agreement is understood to be the complete and exclusive agreement between the parties, superceding all prior agreements, oral or written, and all other communications between the parties relating to the subject matter of this agreement. No employee of NTN or any other party is authorized to make any warranty in addition to those made in this agreement. This agreement allocates the risks of product failure between NTN and the purchaser. This allocation is recognized by both parties and is reflected in the price of the goods. The purchaser acknowledges that it has read this agreement, understands it, and is bound by its terms.

ÂŠ NTN Corporation. 2007 Although care has been taken to assure the accuracy of the data compiled in this catalog, NTN does not assume any liability to any company or person for errors or omissions.

LARGE BEARINGS

A-2

TECHNICAL DATA CONTENTS

1. Load Rating and Life ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A- 5 1.1 1.2 1.3 1.4 1.5

Bearing life ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ABasic rated life and basic dynamic load rating ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯AAdjusted life rating factor ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ABasic static load rating ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯AAllowable static equivalent load ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-

5 5 6 7 7

2. Bearing Load Calculation ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A- 8 2.1 Load acting on shafts ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A- 8 2.2 Mean load ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A- 8 2.3 Equivalent load ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A- 9

3. Bearing Tolerances ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-11 3.1 Dimensional accuracy and running accuracy ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-11 3.2 Limits and tolerances for chamfer and tapered bore ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-20

4. Bearing Fits ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-22 4.1 Interference ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-22 4.2 The necessity of a proper fit ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-22 4.3 Fit selection ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-22

5. Bearing Internal Clearance ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-29 5.1 Bearing internal clearance ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-29 5.2 Internal clearance selection⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-29

6. Lubrication ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-38 6.1 6.2 6.3 6.4 6.5

Lubrication of rolling bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-38 Characteristics of grease and oil lubrication ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-38 Grease lubrication⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-38 Solid Grease (for bearings with solid grease lubricant) ⋯⋯⋯⋯⋯⋯⋯⋯A-41 Oil lubrication ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-42

7. Bearing Materials⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-45 7.1 Raceway and rolling element materials⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-45 7.2 Cage materials ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯A-45

A-3

A-4

●Load Rating and Life 1. Load Rating and Life 1.1 Bearing life C : Basic dynamic rated load, N (Cr: radial bearings, Ca: thrust bearings) P : Equivalent dynamic load, N (Pr: radial bearings, Pa: thrust bearings)

Even in bearings operating under normal conditions, the surfaces of the raceway and rolling elements are constantly being subjected to repeated compressive stresses which cause flaking of these surfaces to occur. This flaking is due to material fatigue and will eventually cause the bearings to fail. The effective life of a bearing is usually defined in terms of the total number of revolutions a bearing can undergo before flaking of either the raceway surface or the rolling element surfaces occurs. Other causes of bearing failure are often attributed to problems such as seizing, abrasions, cracking, chipping, gnawing, rust, etc. However, these so called "causes" of bearing failure are usually themselves caused by improper installation, insufficient or improper lubrication, faulty sealing or inaccurate bearing selection. Since the above mentioned "causes" of bearing failure can be avoided by taking the proper precautions, and are not simply caused by material fatigue, they are considered separately from the flaking aspect.

The basic rated life can also be expressed in terms of hours of operation (revolution), and is calculated as shown in formula (1.2). p

L10h＝500 f h …………（1.2）

…………（1.3）

33.3 n

1/p

） ………（1.4）

where, L10h : Basic rated life, h fh : Life factor fn : Speed factor n : Shaft speed, min-1

Formula (1.2) can also be expressed as shown in formula (1.5). 6

A group of seemingly identical bearings when subjected to identical load and operating conditions will exhibit a wide diversity in their durability. This "life" disparity can be accounted for by the difference in the fatigue of the bearing material itself. This disparity is considered statistically when calculating bearing life, and the basic rated life is defined as follows. The basic rated life is based on a 90% statistical model which is expressed as the total number of revolutions 90% of the bearings in an identical group of bearings subjected to identical operating conditions will attain or surpass before flaking due to material fatigue occurs. For bearings operating at fixed constant speeds, the basic rated life (90% reliability) is expressed in the total number of hours of operation. The basic dynamic load rating is an expression of the load capacity of a bearing based on a constant load which the bearing can sustain for one million revolutions (the basic life rating). For radial bearings this rating applies to pure radial loads, and for thrust bearings it refers to pure axial loads. The basic dynamic load ratings given in the bearing tables of this catalog are for bearings constructed of NTN standard bearing materials, using standard manufacturing techniques. Please consult NTN Engineering for basic load ratings of bearings constructed of special materials or using special manufacturing techniques. The relationship between the basic rated life, the basic dynamic load rating and the bearing load is given in formula (1.1). C

fn ＝（

1.2 Basic rated life and basic dynamic load rating

L10 ＝（

f h ＝ fn

L10h＝

C p （）…（1.5） 60 n P

The relationship between Rotational speed n and speed factor fn as well as the relation between the basic rated life L10h and the life factor fn is shown in Fig. 1.1. When several bearings are incorporated in machines or equipment as complete units, all the bearings in the unit are considered as a whole when computing bearing life (see formula 1.6). The total bearing life of the unit is a life rating based on the viable lifetime of the unit before even one of the bearings fails due to rolling contact fatigue. 1 ………（1.6） L＝ 1 1 1 1/e （ e＋ e＋ … e ） L1 L2 Ln

where, e = 10/9....................For ball bearings e = 9/8......................For roller bearings L : Total basic rated life of entire unit, h L1 , L2 …Ln : Basic rated life of individual bearings, 1, 2, …n, h When the load conditions vary at regular intervals, the life can be given by formula (1.7). -1

Lm＝（ΣΦ j ／Lj ）…………………（1.7）

where, Φ j : Frequency of individual load conditions L j : Life under individual conditions

）………… （1.1）

where, p= 3......................For ball bearings p= 10/3.................For roller bearings 6 L10 : Basic rated life 10 revolutions

A-5

●Load Rating and Life

Ball bearings n min-1

L10h n

80,000 60,000

n min-1

5.4

0.082

60,000

0.106

4.5

40,000

0.12

20,000

30,000

40,000 0.12

15,000 0.14

0.16

6,000

0.18

3,000

0.20 0.22 0.24

2,000 1,500

10,000

0.18

8,000

0.20

15,000

4,000

8,000

6,000

Reliability factor a1

L10

1.00

0.62

0.53

0.44

8,000

0.33

6,000

0.21

20,000 15,000

3,000

0.24 0.26

2.5 0.28

2,000

6,000

10,000

800

0.4

3,000

2,000 0.5

600

4,000

1.9 1.8

0.4

1.6 300

3,000

1.7

1.4

200

1.3

150

1.2

100

0.6

0.7

80 0.8

1,000 900 800 700 600

1.0

500

1.0

400 1.1

1.2

1.3 1.4

1.49

2,000

1.5

1,500

1.4 1.3

0.7

0.9 40

1.0 400

0.75

1.2

1.44

1.0 0.95 0.90

300

1.3 1.4

1.1

600

1.1 20

0.80

0.74

700

500

0.85

1.2

800 0.8

0.95

200

1,000 900

0.90 300

0.6

80 1.1

0.9 40

1.3.2 Life adjustment factor for material a2 The life of a bearing is affected by the material type and quality as well as the manufacturing process. In this regard, the life is adjusted by the use of an a2 factor. The basic dynamic load ratings listed in the catalog are based on NTN's standard material and manufacturing processes, therefore, the adjustment factor a2=1. When special materials or processes are used the adjustment factor can be larger than 1. NTN bearings can generally be used up to 120˚C. If bearings are operated at a higher temperature, the bearing must be specially heat treated (stabilized) so that inadmissible dimensional change does not occur due to changes in the micro-structure. This special heat treatment might cause the reduction of bearing life because of a hardness change.

1.6 0.5

1.5

1,500

200

800

1.8

400

300

100

1.9

0.35

1.7

400

150

4,000 0.35

600

1,000

2.5

0.30

1,500

0.30

1,000

0.22

4,000

10,000

0.26 0.28

Reliability %

3.5

30,000 0.16

3.5

20,000

8,000

Table 1.1 Reliability adjustment factor values a1

4 40,000

20,000

15,000

10,000

4.6 4.5

0.14

30,000

60,000

0.09

40,000

0.10

L10h n 80,000

60,000

30,000

1.3.1 Life adjustment factor for reliability a1 The values for the reliability adjustment factor a1 (for a reliability factor higher than 90%) can be found in Table 1.1.

Roller bearings

0.85 0.80

200

0.76

Fig. 1.1 Bearing life rating scale

1.3 Adjusted life rating factor The basic bearing life rating (90% reliability factor) can be calculated through the formulas mentioned earlier in Section 1.2. However, in some applications a bearing life factor of over 90% reliability may be required. To meet these requirements, bearing life can be lengthened by the use of specially improved bearing materials or special construction techniques. Moreover, according to elastohydrodynamic lubrication theory, it is clear that the bearing operating conditions (lubrication, temperature, shaft speed, etc.) all exert an effect on bearing life. All these adjustment factors are taken into consideration when calculating bearing life, and using the life adjustment factor as prescribed in ISO 281, the adjusted bearing life can be determined.

1.3.3 Life adjustment factor a3 for operating conditions The operating conditions life adjustment factor a3 is used to adjust for such conditions as lubrication, operating temperature, and other operation factors which have an effect on bearing life. Generally speaking, when lubricating conditions are satisfactory, the a3 factor has a value of one; and when lubricating conditions are exceptionally favorable, and all other operating conditions are normal, a3 can have a value greater than one. However, when lubricating conditions are particularly unfavorable and the oil film formation on the contact surfaces of the raceway and rolling elements is insufficient, the value of a3 becomes less than one. This insufficient oil film formation can be caused, for example, by the lubricating oil viscosity being too low for the operating temperature (below 13 mm2/s for ball bearings; below 20 mm2/s for roller bearings); or by exceptionally low rotational speed (nmin-1 x dpmm less than 10,000). For bearings used under special operating conditions, please consult NTN Engineering. As the operating temperature of the bearing increases, the hardness of the bearing material decreases. Thus, the bearing life correspondingly decreases. The operating temperature adjustment values are shown in Fig. 1.2.

Lna＝ a1・a2・a3（C／P）・ …（1.8）

where, Lna : Adjusted life rating in millions of revolutions 6

(10 )(adjusted for reliability, material and operating conditions) a1 : Reliability adjustment factor a2 : Material adjustment factor a3 :Operating condition adjustment factor

A-6

Life adjustment value a3

●Load Rating and Life

1.5 Allowable static equivalent load

1.0

Generally the static equivalent load which can be permitted (See Section 2.3.2 page A-9) is limited by the basic static rated load as stated in Section 1.4. However, depending on requirements regarding friction and smooth operation, these limits may be greater or lesser than the basic static rated load. In the following formula (1.9) and Table 1.2 the safety factor So can be determined considering the maximum static equivalent load.

0.8 0.6 0.4 0.2 100 150 200 250 300 Operating temperature ˚C

So =Co／Po…（1.9） where, So : Safety factor Co : Basic static rated load, N (radial bearings: Cor, thrust bearings: Coa) Po max : Maximum static equivalent load, N (radial: Por max, thrust: Coa max)

Fig. 1.2 Life adjustment value for operating temperature

1.4 Basic static load rating When stationary rolling bearings are subjected to static loads, they suffer from partial permanent deformation of the contact surfaces at the contact point between the rolling elements and the raceway. The amount of deformity increases as the load increases, and if this increase in load exceeds certain limits, the subsequent smooth operation of the bearings is impaired. It has been found through experience that a permanent deformity of 0.0001 times the diameter of the rolling element, occurring at the most heavily stressed contact point between the raceway and the rolling elements, can be tolerated without any impairment in running efficiency. The basic rated static load refers to a fixed static load limit at which a specified amount of permanent deformation occurs. It applies to pure radial loads for radial bearings and to pure axial loads for thrust bearings. The maximum applied load values for contact stress occurring at the rolling element and raceway contact points are given below. For ball bearings (except self-aligning ball bearings) For self-aligning ball bearings For roller bearings

Table 1.2 Minimum safety factor values S0 Ball bearings

Roller bearings

High rotational accuracy demand

Normal rotating accuracy demand (Universal application)

1.5

0.5

Operating conditions

Slight rotational accuracy deterioration permitted (Low speed, heavy loading, etc.)

Notes: 1. For spherical thrust roller bearings, min. S0 value=4. 2. For shell needle roller bearings, min. S0 value=3. 3. When vibration and/or shock loads are present, a load factor based on the shock load needs to be included in the P0 max value. 4. If a large axial load is applied to deep groove ball bearings or angular ball bearings, the contact oval may exceed the raceway surface. For more information, please contact NTN Engineering.

4,200 Mpa 4,600 Mpa 4,000 Mpa

A-7

●Bearing Load Calculation 2. Bearing Load Calculation To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. These forces include the inherent dead weight of the rotating body (the weight of the shafts and components themselves), loads generated by the working forces of the machine, and loads arising from transmitted power.

Σ （Fi ni ti） 1/p …………………（2.2）（ni ti）〕

Fm＝〔

where: For ball bearings For roller bearings

p＝3 p＝10/3

It is possible to calculate theoretical values for these loads; however, there are many instances where the load acting on the bearing is usually determined by the nature of the load acting on the main power transmission shaft.

F F1 F2

2.1 Load acting on shafts Fn

2.1.1 Load factor There are many instances where the actual operational shaft load is much greater than the theoretically calculated load, due to machine vibration and/or shock. This actual shaft load can be found by using formula (2.1)

n1 t1

n 2 t2

nn tn

Fig. 2.1 Stepped load

(2) Consecutive series load Where it is possible to express the function F(t) in terms of load cycle to and time t, the mean load is found by using formula (2.3).

K＝fw・Kc…（2.1）

where: K ：Actual shaft load N｛kgf｝ fw ：Load factor (Table 2.1) Kc：Theoretically calculated value N｛kgf｝

Fm＝〔

to 1 p （t） d ∫ F to o

1/p

〕 ………………（2.3）

where: p＝3 p＝10/3

Table 2.1 Load factor fw Amount of shock

For ball bearings For roller bearings

Application

Very little or no shock

Electrical machines, machine tools, 1.0∼1.2 measuring instruments.

Light shock

Railway vehicles, automobiles, rolling mills, metal working machines, paper making machines, rubber mixing 1.2∼1.5 machines, printing machines, aircraft, textile machines, electrical units, office machines.

Heavy shock

Crushers, agricultural equipment, 1.5∼3.0 construction equipment, cranes.

F F(t) Fm

2 o

Fig. 2.2 Linear fluctuating load

(3) Linear fluctuating load The mean load, Fm, can be approximated by formula (2.4).

2.2 Mean load The load on bearings used in machines under normal circumstances will, in many cases, fluctuate according to a fixed time period or planned operation schedule. The load on bearings operating under such conditions can be converted to a mean load (Fm), this is a load which gives bearings the same life they would have under constant operating conditions.

Fm＝

Fmin＋2Fmax …（2.4） 3

Fmax Fm

(1) Fluctuating stepped load The mean bearing load, Fm, for stepped loads is calculated from formula (2.2). F1 , F2 ....... Fn are the loads acting on the bearing; n1, n2.......nn and t1, t2....... tn are the bearing speeds and operating times respectively.

Fmin

t Fig. 2.3 Time function series load

A-8

●Bearing Load Calculation

(4) Sinusoidal fluctuating load The mean load, Fm, can be approximated by formulas (2.5) and (2.6).

(2) Dynamic equivalent axial load As a rule, standard thrust bearings with a contact angle of 90˚ cannot carry radial loads. However, self-aligning thrust roller bearings can accept some radial load. The dynamic equivalent axial load for these bearings is given in formula (2.8).

Fm＝0.75 Fmax ………（2.5） Fm＝0.65 Fmax ………（2.6）

case (a) case (b)

Pa＝Fa＋1.2Fr………………（2.8） where, Pa：Dynamic equivalent axial load, N Fa：Actual axial load, N Fr ：Actual radial load, N Provided that Fr / Fa ≦ 0.55 only.

F Fmax Fm

2.3.2 Static equivalent load The static equivalent load is a hypothetical load which would cause the same total permanent deformation at the most heavily stressed contact point between the rolling elements and the raceway as under actual load conditions; that is when both static radial loads and static axial loads are simultaneously applied to the bearing. For radial bearings this hypothetical load refers to pure radial loads, and for thrust bearings it refers to pure centric axial loads. These loads are designated static equivalent radial loads and static equivalent axial loads respectively.

（a） F Fmax Fm

t （b）

(1) Static equivalent radial load For radial bearings the static equivalent radial load can be found by using formula (2.9) or (2.10). The greater of the two resultant values is always taken for Por. Por＝Xo Fr＋Yo Fa… （2.9） Por＝Fr…………… （2.10） where, Por：Static equivalent radial load, N Fr ：Actual radial load, N Fa ：Actual axial load, N Xo ：Static radial load factor Yo ：Static axial load factor The values for Xo and Yo are given in the respective bearing tables.

Fig. 2.4 Sinusoidal variable load

2.3 Equivalent load 2.3.1 Dynamic equivalent load When both dynamic radial loads and dynamic axial loads act on a bearing at the same time, the hypothetical load acting on the center of the bearing giving the bearings the same life as if they had only a radial load or only an axial load, is called the dynamic equivalent load. For radial bearings, this load is expressed as pure radial load and is called the dynamic equivalent radial load. For thrust bearings, it is expressed as pure axial load and is called the dynamic equivalent axial load.

(2) Static equivalent axial load For spherical thrust roller bearings the static equivalent axial load is expressed by formula (2.11). Poa＝Fa＋2.7Fr…（2.11） where, Poa：Static equivalent axial load, N Fa ：Actual axial load, N Fr ：Actual radial load, N Provided that Fr / Fa ≦ 0.55 only.

(1) Dynamic equivalent radial load The dynamic equivalent radial load is expressed by formula (2.7). Pr＝XFr＋YFa………………（2.7） where, Pr：Dynamic equivalent radial load, N Fr：Actual radial load, N Fa：Actual axial load, N X ：Radial load factor Y ：Axial load factor The values for X and Y are listed in the bearing tables.

A-9

A-10A-30

●Bearing Tolerances 3. Bearing Tolerances Running accuracy Running accuracy constitutes the acceptable values for inner and outer ring radial runout and axial runout, inner ring side runout, and outer ring outer diameter runout. Allowable rolling bearing tolerances have been established according to precision classes. JIS Class 0 corresponds to normal precision class bearings, and precision becomes progressively higher as the class number becomes smaller; i.e., Class 6 is less precise than Class 5, which is less precise than Class 4, and so on. Table 3.1 indicates which standards and precision classes are applicable to the major bearing types. Table 3.2 shows a relative comparison between JIS B 1514 precision class standards and other standards. For greater detail on allowable error limitations and values, refer to Tables 3.3 - 3.8. Allowable values for chamfer dimensions are shown in Table 3.9, and allowable error limitations and values for radial bearing inner ring tapered bores are shown in Table 3.10.

3.1 Dimensional accuracy and running accuracy Bearing “tolerances” or dimensional accuracy and running accuracy, are regulated by ISO and JIS B 1514 standards (rolling bearing tolerances). For dimensional accuracy, these standards prescribe the tolerances necessary when installing bearings on shafts or in housings. Running accuracy is defined as the allowable limits for bearing runout during operation. Dimensional accuracy Dimensional accuracy constitutes the acceptable values for bore diameter, outer diameter, assembled bearing width, and bore diameter uniformity as seen in chamfer dimensions, allowable inner ring tapered bore deviation and shape error. Also included are, average bore diameter variation average, outer diameter variation, average outer diameter unevenness, as well as raceway width and height variation (for thrust bearings). Table 3.1 Bearing types and applicable tolerance Bearing type

Applicable standard

Tolerance table

Applicable tolerance

Deep groove ball bearing

class 0

class 6

class 5

class 4

class 2

Angular contact ball bearings

class 0

class 6

class 5

class 4

class 2

class 0

class 6

class 5

class 4 class 2

class 0

−

ISO492

Cylindrical roller bearigns Spherical roller bearings Tapered roller bearings

−

metric

ISO492

class 0,6X

class 6

class 5

−

Table 3.4

Inch

ABMA Std.19

class 4

class 2

class 3

class 0

class 00

Table 3.5

class 0

class 6

class 5

class 4

−

Table 3.6

class 0

−

Table 3.7

class 0

−

Table 3.8

−

Table 3.8

Thrust ball bearings

ISO199

Spherical roller thrust bearings Thrust tapered roller bearings

Table 3.3

metric

NTN standard

Inch

ANSI/ABMA Std. 23

−

class 2

−

Table 3.2 Comparison of tolerance classifications of national standards Standard Japanese industrial standard (JIS)

International Organization for Standardization (ISO) Deutsches Institut fur Normung(ISO)

American National Standards Institute (ANSI) Anti-Friction Bearing Manufacturers (ABMA)

Tolerance Class

Bearing Types

class 0,6X

class 6

class 5

class 4

class 2

All type

ISO 492

Normal class Class 6X

Class 6

Class 5

Class 4

Class 2

Radial bearings

ISO 199

Normal class

Class 6

Class 5

Class 4

−

ISO 578

Class 4

−

Class 3

Class 0 Class 00 Tapered roller bearings (Inch series)

DIN 620

JIS B 1514

ANSI/ABMA Std.20

ABEC-1 RBEC-1

ANSI/ABMA Std.19

Class 4

ABEC-3 ABEC-5 ABEC-7 ABEC-9 RBEC-3 RBEC-5 Class 2

Class 3

All type Radial bearings (Except tapered roller bearings)

Class 0 Class 00 Tapered roller bearings (Inch series)

1 "ABEC" is applied for ball bearings and "RBEC" for roller bearings. Notes: 1. JIS B 1514, ISO 492 and 199, and DIN 620 have the same specification level. 2. The tolerance and allowance of JIS B 1514 are a little different from those of ABMA standards.

A-11

Thrust ball bearings

●Bearing Tolerances

Table 3.3 Tolerance for radial bearings (Except tapered roller bearings) Table 3.3 (1) Inner rings Nominal bore diameter

Single radial plane bore diameter variation

Single plane mean bore diameter deviation

∆dmp

Vdp

diameter series 9

mm class 0

class 6

class 5

class 4

class 2

max diameter series 0,1 max diameter series 2,3,4

class class class class class class class class class class class class class class class 0 6 5 4 2 0 6 5 4 2 0 6 5 4 2

over

incl.

80 120 150

120 150 180

0 0 0

-20 -25 -25

0 0 0

-15 -18 -18

0 0 0

-10 -13 -13

0 0 0

-8 -10 -10

0 0 0

-5 -7 -7

25 19 10 8 5 31 23 13 10 7 31 23 13 10 7

25 19 8 31 23 10 31 23 10

180 250 315

250 315 400

0 0 0

-30 -35 -40

0 0 0

-22 -25 -30

0 0 0

-15 -18 -23

0 ーー

-12 ーー

0 ーー

-8 ーー

38 28 15 12 8 44 31 18 ーー 50 38 23 ーー

38 28 12 9 8 44 31 14 ーー 50 38 18 ーー

23 17 12 9 8 26 19 14 ーー 30 23 18 ーー

400 500 630

500 630 800

0 0 0

-45 -50 -75

0 0 ー

-35 -40 ー

ーーー

56 44 ーーー 63 50 ーーー 94 ーーーー

34 26 ーーー 38 30 ーーー 55 ーーーー

800 1,000 1,250 1,600

1,000 1,250 1,600 2,000

0 0 0 0

-100 -125 -160 -200

ーーーー

high

low high

max

low

125 155 200 250

ーーーー

max

ーーーー

125 155 200 250

ーーーー

max 6 8 8

ーーーー

5 7 7

15 11 8 19 14 10 19 14 10

ー 75 ーー 94 ーー 120 ーー 150 ー

ーーーー

6 8 8

ーーーー

5 7 7

ーーーー

1 The dimensional difference ∆ds of bore diameter to applied for class 4 and 2 is the same as the tolerance of dimensional difference ∆dmp of average bore diameter. However, the dimensional difference is applied to diameter series 0, 1, 2, 3 and 4 against Class 4, and to all the diameter series against Class 2.

Table 3.3 (2) Outer rings Nominal outside diameter

Single plane mean outside diameter deviation

∆Dmp

diameter series 9

mm class 0

over

VDp

open type

Single radial plane outside diameter variation

incl.

high

class 6

low high

class 5

low high

class 4

low high

class 2

low high

low

max diameter series 0,1 max diameter series 2,3,4

class class class class class class class class class class class class class class class 0 6 5 4 2 0 6 5 4 2 0 6 5 4 2

max

80 120 150

120 150 180

0 0 0

-15 -18 -25

0 0 0

-13 -15 -18

0 0 0

-10 -11 -13

0 0 0

-8 -9 -10

0 0 0

-5 -5 -7

19 16 10 8 5 23 19 11 9 5 31 23 13 10 7

19 16 8 23 19 8 31 23 10

6 5 7 5 8 7

11 10 8 14 11 8 19 14 10

6 7 8

180 250 315

250 315 400

0 0 0

-30 -35 -40

0 0 0

-20 -25 -28

0 0 0

-15 -18 -20

0 0 0

-11 -13 -15

0 0 0

-8 -8 -10

38 25 15 11 8 44 31 18 13 8 50 35 20 15 10

38 25 11 8 8 44 31 14 10 8 50 35 15 11 10

23 15 11 8 8 26 19 14 10 8 30 21 15 11 10

400 500 630

500 630 800

0 0 0

-45 -50 -75

0 0 0

-33 -38 -45

0 0 0

-23 -28 -35

ーーー

56 41 23 ーー 63 48 28 ーー 94 56 35 ーー

56 41 17 ーー 63 48 21 ーー 94 56 26 ーー

34 25 17 ーー 38 29 21 ーー 55 34 26 ーー

800 1,000 1,250

1,000 1,250 1,600

0 0 0

-100 -125 -160

0 ーー

-60 ーー

ーーー

125 75 ーーー 125 75 ーーー 75 45 ーーー 155 ーーーー 155 ーーーー 94 ーーーー 200 ーーーー 200 ーーーー 120 ーーーー

1,600 2,000

2,000 2,500

0 0

-200 -250

ーー

250 ーーーー 250 ーーーー 150 ーーーー 310 ーーーー 310 ーーーー 190 ーーーー

4 The dimensional difference ∆Ds of outer diameter to be applied for classes 4 and 2 is the same as the tolerance of dimensional difference ∆Dmp of average outer diameter. However, the dimensional difference is applied to diameter series 0, 1, 2, 3 and 4 against Class 4, and also to all the diameter series against Class 2.

A-12

5 5 7

●Bearing Tolerances

Unit μm

Mean single plane bore diameter variation

Inner ring radial runout

Face runout with bore

Vdmp

Kia

Inner ring axial runout (with side) Sia

Inner ring width deviation ∆Bs

VBs

normal class class class class class 0 6 5 4 2

class class class class class 0 6 5 4 2

max 15 11 19 14 19 14

class class class 5 4 2

max

5 4 7 5 7 5

2.5 3.5 3.5

25 13 30 18 30 18

2.5 2.5 5

9 10 10

class 0,6

class class class 5 4 2

max

6 5 8 6 8 6

max

5 2.5 6 2.5 6 4

Inner ring width variation

modified

class 5,4

class 2 class 0,6 class 5,4

class class class class class 0 6 5 4 2

high

low high low high low

high low high low

9 10 10

5 7 7

2.5 2.5 5

0 0 0

-200 0 -200 0 -200 -250 0 -250 0 -250 -250 0 -250 0 -300

0 -380 0 -380 0 -500 0 -380 0 -500 0 -380

25 25 7 4 30 30 8 5 30 30 8 5

max 2.5 2.5 4

23 17 8 6 4 26 19 9 ーー 30 23 12 ーー

40 20 10 8 5 50 25 13 ーー 60 30 15 ーー

11 7 5 13 ーー 15 ーー

13 15 20

8 ーー

5 ーー

0 0 0

-300 0 -300 0 -350 -350 0 -350 ーー -400 0 -400 ーー

0 -500 0 -500 0 -500 0 -500 0 -630 0 -630

30 30 10 6 5 35 35 13 ーー 40 40 15 ーー

34 26 ーーー 38 30 ーーー 55 ーーーー

65 35 ーーー 70 40 ーーー 80 ーーーー

ーーーーーーーーー

ーーー

0 0 0

-450 ー -500 ー -750 ー

50 45 ーーー 60 50 ーーー 70 ーーーー

ーーーー

0 0 0 0

75 94 120 150

ーーーー

90 100 120 140

ーーーー

-1,000 -1,250 -1,600 -2,000

ーーーー

ーーーーーー

ーーー

ーーーーーー

ーーー

ーーーー

80 ーーーー 100 ーーー 120 ーーー 140 ーー

ーーーー

2 To be applied to deep groove ball bearing and angular contact ball bearings. 3 To be applied to individual raceway rings manufactured for combined bearing use.

Unit μm

Mean single plane outside diameter variation VDmp class 0

class 6

class 5

class 4

class 2

Outer ring radial runout Outside surface inclination Kea

class 0

class 6

class 5

class 4

class 2

class 5

max

class 4

class 2

Outer ring width variation

Sea 5

max 11 10 14 11 19 14

Outside ring axial runout

class 5

max

class 4

VCs

class 2

class 5

max

class 4

class 2

max

2.5 2.5 2.5

11 13 14

6 7 8

5 5 5

8 8 8

4 5 5

2.5 2.5 2.5

7 8 10

4 5 7

15 18 20

10 10 13

7 7 8

10 11 13

7 7 8

4 5 7

15 18 20

ーーー

23 25 30

ーーー

15 18 20

ーーー

ーー

5 6 7

4 5 5

2.5 2.5 3.5

35 18 10 40 20 11 45 23 13

6 7 8

5 5 5

9 10 10

5 5 5

23 15 8 26 19 9 30 21 10

6 7 8

4 4 5

50 25 15 10 60 30 18 11 70 35 20 13

7 7 8

11 13 13

34 25 12 38 29 14 55 34 18

ーーー

80 40 23 ー 100 50 25 ー 120 60 30 ー

ーーー

75 45 ー 94 ーー 120 ーー

ーーー

140 75 160 ー 190 ー

ーーーーーー

150 ーー 190 ーー

ーー

220 ー 250 ー

ーーーー

5 To be applied to deep groove ball bearings and angular contact ball bearings.

A-13

ーーーー

●Bearing Tolerances Table 3.4 Tolerance of tapered roller bearings (Metric system) Table 3.4 (1) Inner rings Nominal bore diameter

Single plane mean bore diameter deviation

Single radial plane bore diameter variation

∆dmp

Vdp 1

mm over incl.

Mean single plane bore diameter variation

class 0,6X class 5,6 class 4 high low high low high low

class 0,6X

class 6

class 5

Inner ring radial runout Kia

Vdmp class 4

class 0,6X

max

class 6

class 5

class 4

class 0,6X

class 6

max

class 5

class 4

max

Face runout with bore Sd class class 5 4

max

80 120 180

120 180 250

0 0 0

-20 -25 -30

0 0 0

-15 -18 -22

0 0 0

-10 -13 -15

20 25 30

15 18 22

11 14 17

8 10 11

15 19 23

11 14 16

8 9 11

5 7 8

30 35 50

13 18 20

8 11 13

5 6 8

9 10 11

5 6 7

250 315 400

315 400 500

0 0 0

-35 -40 -45

ーーー

35 40 45

ーーー

26 30 34

ーーー

60 70 80

ーーー

500 630 630 800 800 1,000

0 0 0

-50 -75 -100

ーーー

50 75 100

ーーー

38 56 75

ーーー

90 105 120

ーーー

1,000 1,250 1,250 1,600

0 0

-125 -160

ーー

125 160

ーー

94 120

ーー

140 160

ーー

1 The dimensional difference ∆ds of bore diameter to be applied for class 4 is the same as the tolerance of dimensional difference ∆dmp of average bore diameter.

Table 3.4 (2) Outer rings Nominal outside diameter

Single plane mean outside diameter deviation

Single radial plane outside diameter variation VDp

∆Dmp

mm over incl.

class 0,6X class 5,6 class 4 high low high low high low

class 0,6X

class 6

class 5

class 4

Mean single plane outside diameter variation VDmp class 0,6X

class 6

max

class 5

class 4

Outer ring radial runout Kea class 0,6X

class 6

max

class 5

class 4

max

Outside surface inclination SD 2 class class 5 4

max

80 120 150

120 150 180

0 0 0

-18 -20 -25

0 0 0

-13 -15 -18

0 0 0

-10 -11 -13

18 20 25

13 15 18

10 11 14

8 8 10

14 15 19

10 11 14

7 8 9

5 6 7

35 40 45

18 20 23

10 11 13

6 7 8

9 10 10

5 5 5

180 250 315

250 315 400

0 0 0

-30 -35 -40

0 0 0

-20 -25 -28

0 0 0

-15 -18 -20

30 35 40

20 25 28

15 19 22

11 14 15

23 26 30

15 19 21

10 13 14

8 9 10

50 60 70

25 30 35

15 18 20

10 11 13

11 13 13

7 8 10

400 500 630

500 630 800

0 0 0

-45 -50 -75

ーーー

45 50 75

ーーー

34 38 56

ーーー

80 100 120

ーーー

800 1,000 1,250 1,600

1,000 1,250 1,600 2,000

0 0 0 0

-100 -125 -160 -200

ーーーー

100 125 160 200

ーーーー

75 84 120 150

ーーーー

140 165 190 230

ーーーー

2 The dimensional difference ∆Ds of outside diameter to be applied for class 4 is the same as the tolerance of dimensional difference ∆Dmp of average outside diameter. 3 ∆Ds as the same as ∆Dmp in the case of class 4.

B1 φD

φd

Single

φD

B φd

φD

Double Row (outside direction)

B2 φd

Double Row (inside direction)

A-14

φD

φd

Four Row

●Bearing Tolerances Unit μm

Inner ring axial runout (with side) Sia class 4 max

Inner ring width deviation

Overall width deviation Overall width deviation Overall width deviation of assembled single row tapered roller bearing, or height deviation of assembled double rows of assembled four rows

∆Bs

tapered roller bearing or height deviation

∆Ts class 0,6 high low

class 6X high low

class 4,5 high low

class 0,6 high low

class 6X high low

tapered roller bearing or height deviation

∆B1s, ∆C1s class 0,6,5 high low

class 4,5 high low

∆B2s, ∆C2s class 0,6,5 high low

5 7 8

0 0 0

-200 -250 -300

0 0 0

-50 -50 -50

0 0 0

-400 -500 -600

+200 +350 +350

-200 -250 -250

+100 +150 +150

0 0 0

+200 +350 +350

-200 -250 -250

+400 +500 +600

-400 -500 -600

+500 +600 +750

-500 -600 -750

ーーー

0 0 0

-350 -400 -450

0 -50 0 -50 ーー

ーーー

+350 +400 ー

-250 -400 ー

+200 +200 ー

0 0 ー

ーーー

+700 +800 +900

-700 -800 -900

+900 +1,000 +1,200

-900 -1,000 -1,200

ーーー

0 0 0

-500 -750 -1,000

ーーー

+1,000 +1,500 +1,500

-1,000 -1,500 -1,500

+1,200 +1,500 +1,500

-1,200 -1,500 -1,500

ーー

0 0

-1,200 -1,500

ーー

+1,500 +1,500

-1,500 -1,500

+1,500 +1,500

-1,500 -1,500

Unit μm

Outer ring axial runout

Outer ring width deviation ∆Cs

Sea class 4 max 6 7 8

class 0,6,5,4 sup.

class 6X

inf. sup.

inf.

Table 3.4 (3) Effective width of outer and inner rings with roller Nominal bore diameter d mm over incl.

Effective width deviation of roller and inner ring assembly of tapered roller bearing ∆T1s class 0 class 6X high low high low

Unit μm

Tapered roller bearing outer ring effective width deviation ∆T2s class 0 class 6X high low high low

0 0 0

-100 -100 -100

80 120 180

120 180 250

+100 +150 +150

-100 -150 -150

+50 +50 +50

0 0 0

+100 +200 +200

-100 -100 -100

+50 +100 +100

0 0 0

-100 -100 -100

250 315

315 400

+150 +200

-150 -200

+100 +100

0 0

+200 +200

-100 -200

+100 +100

0 0

ーーー

0 0 ー

-100 -100 ー

ーーーー

10 10 13

Identical to ∆Bs inner ring of same bearing

Master cup sub-unit

Master cone sub-unit

4 To be applied for nominal bore diameters of 406.400mm (16 inch) or lass.

φd

A-15

φd

●Bearing Tolerances

Table 3.5 Tolerance for tapered roller bearings of inch system Table 3.5 (1) Inner rings

Unit μm

Nominal bore diameter

Single bore diameter deviation

∆ds

Class 2

Class 4

Class 3

Class 0

Class 00

over

incl.

high

low

high

low

high

low

high

low

high

low

76.2 266.7 304.8

266.7 304.8 609.6

+25 +25 +51

0 0 0

+25 +25 +51

0 0 0

+13 +13 +25

0 0 0

+13 +13 –

0 0 –

+8 – –

0 – –

609.6 914.4 1,219.2

914.4 1,219.2 −

+76 +102 +127

0 0 0

– – –

+38 +51 +76

0 0 0

– – –

Table 3.5 (2) Outer rings

Unit μm

Nominal outside diameter

Single outside diameter deviation

∆Ds

Class 2

Class 4

Class 3

Class 0

Class 00

over

incl.

high

low

high

low

high

low

high

low

high

low

– 266.7 304.8

266.7 304.8 609.6

+25 +25 +51

0 0 0

+25 +25 +51

0 0 0

+13 +13 +25

0 0 0

+13 +13 –

0 0 –

+8 – –

0 – –

609.6 914.4 1,219.2

914.4 1,219.2 –

+76 +102 +127

0 0 0

+76 – –

0 – –

+38 +51 +76

0 0 0

– – –

Table 3.5 (3) Effective width of inner rings with roller and outer rings Nominal bore diameter

Nominal outside diameter

Overall width deviation of assembled single row tapered roller bearing ∆Ts

∆B2s, ∆C2s Class 4

over

incl.

– 101.6 304.8

101.6 304.8 609.6

over

304.8 609.6

609.6 –

Overall width deviation of assembled 4-row tapered roller bearings

Class 2

Class 3

Class 0,00

Class 4,2,3,0

incl.

high

low

high

low

high

low

high

low

high

low

–

508.0

+203 +356 +381

0 -254 -381

+203 +203 +381

0 0 -381

+203 +203 +203

-203 -203 -203

+203 +203 –

-203 -203 –

+1,520 +1,520 +1,520

-1,520 -1,520 -1,520

508.0

–

+381 +381

-381 -381

+381 –

-381 –

+381 +381

-381 -381

– –

+1,520 +1,520

-1,520 -1,520

Table 3.5 (4) Radial deflection of inner and outer rings

Unit μm

Nominal outside diameter

Inner ring radial runout Kia

Outer ring radial runout Kea

Class 4

Class 2

Class 3

Class 0

Class 00

8 18 51

4 – –

2 – –

–

max

over

incl.

– 304.8 609.6

304.8 609.6 914.4

51 51 76

38 38 51

914.4

–

A-16

●Bearing Tolerances

φD

φd

φD

φd

Master cup sub-unit

φD

Double Row (outside direction)

Single

φD

φd

Double Row (inside direction)

Four Row

Master cone sub-unit

φd

Unit μm

Effective width deviation of roller and inner ring assembly of tapered roller bearing

Tapered roller bearing outer ring effective width deviation ∆T2s

∆T1s

high

low

high

low

+102 +152 –

0 -152 –

+102 +102 +178

0 0 1 -178

– –

Class 3

Class 2

Class 4

Class 3

Class 2

Class 4

low

high

low

high

low

high

low

+102 +102 +102

-102 -102 1 -102

+102 +203 –

0 -102 –

+102 +102 +203

0 0 1 -203

+102 +102 +102

-102 -102 1 -102

– –

high

1 To be applied for nominal bore diameters of 406.400 mm (16 inch) or less.

A-17

– –

●Bearing Tolerances

Table 3.6 Tolerance of thrust ball bearings Table 3.6 (1) Shaft washer Nominal bore diameter

Unit μm

Single plane mean bore diameter deviation ∆dmp

Single radial plane Thrust bearing shaft washer raceway bore diameter variation (or center washer raceway) thickness variation Vdp

d mm

Class

0,6,5

over

incl.

high

low

high

low

80 120 180

120 180 250

0 0 0

-20 -25 -30

0 0 0

-15 -18 -22

15 19 23

max 11 14 17

15 15 20

8 9 10

max 4 5 5

3 4 4

250 315 400

315 400 500

0 0 0

-35 -40 -45

0 0 0

-25 -30 -35

26 30 34

19 23 26

25 30 30

13 15 18

7 7 9

5 5 6

500 630 800

630 800 1,000

0 0 0

-50 -75 -100

0 0 –

-40 -50 –

38 55 75

30 – –

35 40 45

21 25 30

11 13 15

7 8 –

Table 3.6 (2) Housing washer Nominal outside diameter

Unit μm

Single plane mean outside diameter deviation ∆Dmp

Single radial plane outside diameter variation

Thrust bearing housing washer raceway thickness variation Se

VDp

Class

0,6,5

over

incl.

high

low

high

low

max

80 120 180

120 180 250

0 0 0

-22 -25 -30

0 0 0

-13 -15 -20

17 19 23

10 11 15

250 315 400

315 400 500

0 0 0

-35 -40 -45

0 0 0

-25 -28 -33

26 30 34

19 21 25

500 630 800 1,000

630 800 1,000 1,250

0 0 0 0

-50 -75 -100 -125

0 0 0 –

-38 -45 -60 –

38 55 75 95

29 34 45 –

According to the tolerance of S1 against "d" or "d2" of the same bearings

Table 3.6 (3) Height of bearings center washer Unit μm

Nominal bore diameter

φd

Single direction type 1

∆Ts

mm over

incl.

high

low

80 120 180

120 180 250

0 0 0

-150 -175 -200

250 315 400

315 400 500

0 0 0

-225 -300 -350

500 630 800

630 800 1,000

0 0 0

-400 -500 -600

φD

1 This standard is applied to flat back face bearing of class 0.

A-18

●Bearing Tolerances

Table 3.7 Tolerance of spherical thrust roller bearing Table 3.7 (1) Shaft washer Nominal bore diameter

Table 3.7 (2) Housing washer

Single plane mean Single radial Face bore diameter deviation plane bore runout diameter with bore variation ∆dmp Sd Vdp high low max max

d mm over incl.

Unit μm

Height deviation of single direction thrust bearing

Nominal outside diameter d

Single plane mean outside diameter deviation

∆Ts

∆Dmp

high

low

over

incl.

high

low

80 120 180

120 180 250

0 0 0

-20 -25 -30

15 19 23

25 30 30

+200 +250 +300

-200 -250 -300

120 180 250

180 250 315

0 0 0

-25 -30 -35

250 315 400

315 400 500

0 0 0

-35 -40 -45

26 30 34

35 40 45

+350 +400 +450

-350 -400 -450

315 400 500

400 500 630

0 0 0

-40 -45 -50

500 630

630 800

0 0

-50 -75

38 55

50 60

+500 +750

-500 -750

630 800 1,000 1,250

800 1,000 1,250 1,600

0 0 0 0

-75 -100 -125 -160

φd T φD Table 3.8 Tolerance of thrust tapered roller bearings Table 3.8 (1) Shaft washer (metric series) Nominal outside diameter d

Single plane mean bore diameter deviation

∆dmp

Table 3.8 (2) Housing washer (metric series) Unit μm

Unit μm

Nominal outside diameter

Bearing hight deviation

Single plane mean outside diameter deviation

∆Dmp

∆Ts

over

incl.

high

low

over

incl.

high

low

80 120 180

120 180 250

0 0 0

-20 -25 -30

0 0 0

-150 -175 -200

180 250 315

250 315 400

0 0 0

-30 -35 -40

250 315 400

315 400 500

0 0 0

-35 -40 -45

0 0 0

-225 -300 -350

400 500 630

500 630 800

0 0 0

-45 -60 -75

500 630 800

630 800 1,000

0 0 0

-50 -75 -100

0 0 0

-400 -500 -600

800 1,000

1,000 1,250

0 0

-100 -125

high

Table 3.8 (3) Shaft washer (inch series)

Table 3.8 (4) Housing washer (inch series) Unit μm

Nominal bore diameter d over

incl.

Single plane mean bore diameter deviation

Unit μm

Nominal outside diameter D

Bearing hight deviation ∆Ts

∆dmp high low high low

– 304.800

304.800 609.600

+25 +51

0 0

+381 +381

-381 -381

609.600 914.400

914.400 1,219.200

+76 +102

0 0

+381 +381

-381 -381

incl.

φD

A-19

low

304.800 609.600 914.400

+25 +51 +76

0 0 0

914.400 1,219.200

1,219.200 –

+102 +127

0 0

∆Dmp high

– 304.800 609.600

φd

φD

over

Single plane mean outside diameter deviation

●Bearing Tolerances

3.2 Limits and tolerances for chamfer and tapered bore

rsmin or r smin

rs min or r s min

Bore diameter face rs min or r1s min of bearing or outer rs max or r1s max diameter face of bearing (Axial direction)

Table 3.9 Allowable critical-value of bearing chamfer Table 3.9 (1) Radial bearing (except tapered roller bearing)

(Radial direction)

rsmax or r smax

Side face of inner ring or center washer, or side face of outer ring

Table 3.9 (2) Tapered roller bearings of metric system Unit mm

Unit mm 1

rs min or

r1s min 0.6

1.1

1.5

2.1

2.5

Nominal bore diameter d over incl.

rs max or r1s max Radial direction

rs min or

Axial direction

–

1.3

–

1.5

–

1.9

–

120

3.5

120

–

2.5

–

120

2.3

120

–

4.5

220

3.5

220

–

3.8

–

280

6.5

280

–

4.5

–

100

3.8

100

280

4.5

r1s min 0.3

0.6

1.5

2.5

Nominal bore3 diameter of bearing "d" or nominal outside diameter "D"

rs max or r1s max

over

incl.

Radial direction

Axial direction

–

0.7

1.4

–

0.9

1.6

–

1.1

1.7

–

1.3

–

1.6

2.5

–

1.9

–

120

2.3

120

250

2.8

3.5

250

–

3.5

–

120

2.8

120

250

3.5

4.5

250

–

120

3.5

120

250

5.5

250

–

4.5

280

–

120

5.5

–

280

120

250

4.5

6.5

5.5

7.5

280

–

5.5

250

400

–

6.5

400

–

120

–

120

250

5.5

7.5

–

12.5

250

400

9.5

–

400

–

6.5

8.5

–

12 15

–

1 These are the allowable minimum dimensions of the chamfer dimension "r" or "r1" and are described in the dimensional table.

–

180

6.5

180

–

7.5

–

180

7.5

180

–

2 These are the allowable minimum dimensions of the chamfer dimension "r" or "r1" and are described in the dimensional table. 3 Inner rings shall be in accordance with the division of "d" and outer rings with that of "D". Note: This standard will be applied to the bearings whose dimensional series (refer to the dimensional table) are specified in the standard of ISO 355 or JIS B 1512. Please consult NTN Engineering on non-standard bearings.

A-20

●Bearing Tolerances

∆dmp φd1 φd+

2α

φd

Tapered hole having dimensional difference of the average bore diameter within the flat surface

Theoretical tapered hole

Table 3.9 (3) Thrust bearings

rs min or r1 min

Unit μm

d mm

rs max or r1s max Radial and axial direcition 1.5

2.2

1.1

2.7

1.5

3.5

2.1

4.5

5.5

6.5

7.5

12.5

9.5

Table 3.10 (1) Tolerance and allowable values (Class 0) of tapered bore of radial bearings

Unit mm

0.6

∆dmp

∆d1mp - ∆dmp

Vdp

over

incl.

high

low

high

low

max

80 120 180

120 180 250

+ 54 + 63 + 72

0 0 0

22 40 46

250 315 400

315 400 500

+ 81 + 89 + 97

0 0 0

+ 35 + 40 + 46 + 52 + 57 + 63

0 0 0

52 57 63

500 630 800

630 800 1,000

+110 +125 +140

0 0 0

+ 70 + 80 + 90

0 0 0

70 – –

1,000 1,250

1,250 1,600

+165 +195

0 0

+105 +125

0 0

– –

Table 3.10 (2) Allowable variations for radial bearing inner ring tapered bores standard taper ratio 1:30 (Class 0) Units μm

∆dmp

d mm

φd1+ φd1+ ∆dmp ∆d1mp

2α

4 These are the allowable minimum dimensions of the chamfer dimension "r" or "r1" and are described in the dimensional table.

∆d1mp - ∆dmp

Vdp

over

incl.

high

low

high

low

max

80 120 180

120 180 250

+20 +25 +30

0 0 0

+35 +40 +46

0 0 0

22 40 46

250 315 400 500

315 400 500 630

+35 +40 +45 +50

0 0 0 0

+52 +57 +63 +70

0 0 0 0

52 57 63 70

1 Applies to all radial flat planes of inner ring tapered bore. 2 Does not apply to diameter series 7 and 8. Note: Quantifiers 1 For a standard taper ratio of 1:12 d1＝d＋ B 12 1 For a standard taper ratio of 1:30 d1＝d＋ B 30 ∆dmp ：Dimensional difference of the average bore diameter within the flat surface at the theoretical small end of the tapered bore. ∆d1mp ：Dimensional difference of the average bore diameter within the flat surface at the theoretical large end of the tapered bore. Vdp ：Unevenness of the bore diameter with the flat surface B ：Nominal width of inner ring α ：Half of the tapered bore’s nominal taper angle For a standard taper ratio of 1:12 α＝2˚23′ 9.4″ For a standard taper ratio of 1:30 α＝0˚57′ 7.4″

A-21

●Bearing Fits 4. Bearing Fits ¡Raceway cracking, early peeling and displacement of raceway ¡Raceway and shaft or housing abrasion caused by creeping and fretting corrosion ¡Seizing caused by loss of internal clearances ¡Increased noise and lowered rotational accuracy due to raceway groove deformation

4.1 Interference For rolling bearings, inner and outer rings are fixed on the shaft or in the housing so that relative movement does not occur between fitted surfaces during operation or under load. This relative movement (referred to as "creep") between the fitted surfaces of the bearing and the shaft or housing can occur in a radial direction, an axial direction, or in the direction of rotation. To help prevent this creeping movement, bearing rings and the shaft or housing are installed with one of three interference fits, a "tight fit" (also called shrink fit), "transition fit," or "loose fit" (also called clearance fit), and the degree of interference between their fitted surfaces varies. The most effective way to fix the fitted surfaces between a bearing's raceway and shaft or housing is to apply a "tight fit." The advantage of this tight fit for thin walled bearings is that it provides uniform load support over the entire ring circumference without any loss of load carrying capacity. However, with a tight fit, ease of installation and disassembly is lost; and when using a non-separable bearing as the floating-side bearing, axial displacement is not possible. For this reason, a tight fit cannot be recommended in all cases.

4.3 Fit selection Selection of a proper fit is dependent upon thorough analysis of bearing operating conditions, including consideration of: ¡Shaft and housing material, wall thickness, finished surface accuracy, etc. ¡Machinery operating conditions (nature and magnitude of load, rotational speed, temperature, etc.) 4.3.1 "Tight fit," "transition fit," or "loose fit" (1) For raceways under rotating loads, a tight fit is necessary. (refer to Table 4.1) "Raceways under rotating loads" refers to raceways receiving loads rotating relative to their radial direction. For raceways under static loads, on the other hand, a loose fit is sufficient. (Example) Rotating inner ring load = the direction of the radial load on the inner ring is rotating relatively (2) For non-separable bearings, such as deep groove ball bearings, it is generally recommended that either the inner ring or outer ring be given a loose fit.

4.2 The necessity of a proper fit In some cases, improper fit may lead to damage and shorten bearing life, therefore it is necessary to make a careful analysis in selecting a proper fit. Some of the negative conditions caused by improper fit are listed below.

Table 4.1 Radial load and bearing fit

Illustration Static load

Ring load

Fit

Rotating inner ring load

Inner ring : Tight fit

Static outer ring load

Outer ring : Loose fit

Outer ring: Rotating

Static inner ring load

Inner ring : Loose fit

Inner ring: Rotating

Rotating outer ring load

Outer ring : Tight fit

Bearing rotation Inner ring: Rotatring Outer ring: Stationary

Unbalanced load

Inner ring: Stationary Outer ring: Rotating

Static load

Unbalanced load

Inner ring: Stationary

Outer ring: Stationary

A-22

●Bearing Fits

4.3.2 Recommended Fits Bearing fit is governed by the selection tolerances for bearing shaft diameters and housing bore diameters. Widely used fits for 0 Class tolerance bearings and various shaft and housing bore diameter tolerances are shown in Fig. 4.1. Generally-used, standard fits for most types of bearings and operating conditions are shown in Tables 4.2 - 4.6.

shown in formulae (4.3). ∆ dT = 0.0015 d ∆T ……………………………………(4.3) ∆ dT : Required effective interference for temperature difference μm ∆T : Difference between bearing temperature

and ambient temperature ˚C d : Bearing bore diameter mm

(3) Fitted surface variation and required interference Interference between fitted surfaces is reduced by roughness and other slight variations of these surfaces which are flattened in the fitting process. The degree of reduced interference depends upon the finish treatment of these surfaces, but in general it is necessary to assume the following interference reductions. For ground shafts: 1.0∼2.5μm For lathed shafts: 5.0∼7.0μm

Table 4.2: Fits for radial bearings Table 4.3: Fits for thrust bearings Table 4.4: Fits for electric motor bearings Table 4.5: Fits for inch series tapered roller bearings (ANSI Class 4) Table 4.6: Fits for inch series tapered roller bearings (ANSI Class 3 and 0) Table 4.5. shows fits and their numerical values. For special fits or applications, please consult NTN Engineering.

(4) Maximum interference When bearing rings are installed with an interference fit, tension or compression stress may occur along their raceways. If interference is too great, this may cause damage to the rings and reduce bearing life. For these reasons, maximum interference should not exceed the previously mentioned ratio of 1:1,000 of shaft or outside diameter.

4.3.3 Interference minimum and maximum values The following points should be considered when it is necessary to calculate the interference for an application: ¡In calculating the minimum required amount of interference keep in mind that: 1) interference is reduced by radial loads 2) interference is reduced by differences between bearing temperature and ambient temperature 3) interference is reduced by variation of fitted surfaces ¡Maximum interference should be no more than 1:1000 of the shaft diameter or outer diameter. Required interference calculations are shown below.

4.3.4 Other details (1) Tight interference fits are recommended for, ¡Operating conditions with large vibration or shock loads ¡Applications using hollow shafts or housings with thin walls ¡Applications using housings made of light alloys or plastic

(1) Radial loads and required interference Interference between inner rings mounted on solid shafts is reduced when acted upon by radial loads. Calculation of the minimum required amount of interference in such cases is shown in formulae (4.1) and (4.2). Fr ≦ 0.3 Cor 1/2 ∆ dF = 0.08 (d・Fr / B) 1/2 = 0.25 (d・Fr / B) Fr ＞ 0.3 Cor ∆ dF = 0.02 (Fr / B) = 0.2 (Fr / B)

(2) Loose interference fits are preferable for, ¡Applications requiring high running accuracy ¡Applications using small sized bearings or thin walled bearings

N ｛kgf ｝

Housing

｝………(4.1)

G7 H7

Class 0

N ｛kgf ｝

｝………(4.2)

H8 H6

J6 J7 K6 K7

∆ Dmp

M6 M7 N6 N7

Where,

P6 P7

∆ dF : Required effective interference for load μm d : Nominal bore diameter mm B : Inner ring width mm Fr : Radial load N｛kgf｝ Cor : Basic static rated load N｛kgf｝

Loose fit

Transition fit Tight fit

Types of fits Tight fit

Transition fit

(2) Temperature difference and required interference Interference between inner rings and steel shafts is reduced as a result of temperature increases (difference between bearing temperature and ambient temperature, ∆T) caused by bearing rotation. Calculation of the minimum required amount of interference in such cases is

Class 0

k5 h5 h6

∆dmp

g5 g6

Shafts Fig. 4.1

A-23

m5 m6

n5 n6

●Bearing Fits

(4) A particular type of fit is recommended for SL type cylindrical roller bearings.

(3) Consideration must also be given to the fact that fit selection will affect internal bearing clearance selection. (refer to page insert A-29)

Table 4.2 General standards for radial bearing fits (JIS Class 0, 6, 6X) Table 4.2 (1) Tolerance class of shafts commonly used for radial bearings (classes 0, 6X and 6) Load conditions, magnitude Cylindrical roller bearing Self-aligning roller bearings Load Ball bearing Tapered roller bearing Nature conditions, Fit of load diameter Tolerance Shaft diameter Tolerance Shaft diameter Tolerance magnitude Shaftmm mm mm class class class over incl over incl over incl

Tight fit / Transition fit

Indeterminate direction load Rotating inner ring load

Light or 1 fluctuating variable load

18 ∼ 100 100 ∼ 200

18 100 Normal load 140 200 1

∼ 100 ∼ 140 ∼ 200 ∼ 280

Static inner ring load

Transition fit

Centric axial load only

Transition fit

js6 k6

40 ∼ 140 140 ∼ 200

k6 m6

k5 m5 m6 n6

40 100 140 200

∼ 100 ∼ 140 ∼ 200 ∼ 400

m5 m6 n6 p6

40 65 100 140 280

∼ 65 ∼ 100 ∼ 140 ∼ 280 ∼ 500

m5 m6 n6 p6 r6

Alteration of inner clearances to accommodate fit is not a consideration with single-row angular contact bearings and tapered roller bearings. Therefore, k5 and m5 may be substituted for k6 and m6.

50 ∼ 140 140 ∼ 200 200 ∼

n6 p6 r6

50 ∼ 100 100 ∼ 140 140 ∼ 200

n6 p6 r6

Use bearings with larger internal clearances than CN clearance bearings.

When greater accuracy is required use g5. For large bearings, f6 may be used.

When greater accuracy is required use h5.

js6

General; depending on the fit, shaft and inner rings are not fixed.

Heavy 1 load or shock load Inner ring axial displacement possible Inner ring axial displacement unnecessary

All loads

g6 All shaft diameters

All shaft diameters

js6

When greater accuracy is required js5, k5, and m5 may be substituted for js6, k6, and m6.

All shaft diameters

Remarks

All shaft diameters h6

All shaft diameters

js6

All shaft diameters

Table 4.2 (2) Fit with shaft (fits for tapered bore bearings (Class 0) with adapter assembly/withdrawal sleeve) All loads

All bearing types

All shaft diameters

Tolerance class

h9 / IT5 2 h10 / IT7

1 Standards for light loads, normal loads, and heavy loads Light loads: equivalent radial load ≦ 0.06 Cr Normal loads: 0.06 Cr ＜equivalent radial load ≦ 0.12 Cr Heavy loads: 0.12 Cr ＜equivalent radial load 2 IT5 and IT7 show shaft roundness tolerances, cylindricity tolerances, and related values. Note: All values and fits listed in the above tables are for solid steel shafts.

A-24

General applications Transmission shafts, etc.

●Bearing Fits

Table 4.2 (3) Housing fits

Nature Housing Fit of load

Load conditions, magnitude

Loose fit Transition or loose fit

Rotating outer ring load or static outer ring load

Solid or split housing

All loads Light

to normal load

Tolerance class

Outer ring axial displacement 2

Displacement possible

Easy displacement

Remarks

G7 also acceptable for large type bearings as well as outer rings and housings with large temperature differences.

Tight to transition fit Tight fit

Solid housing

Direction Inner ring static indeterminate load or outer load ring rotating load

Displacement possible

Shaft and inner rings reach high temperature

Easy displacement

Requires silent operation

Displacement possible

Js6

Displacement not possible (in principle)

Applies primarily to ball bearings

Displacement not possible (in principle)

Applies primarily to roller bearings

Js7

Displacement possible

Normal to heavy load

Displacement not possible (in principle)

Heavy shock load

Displacement not possible

Light or variable load

Displacement not possible

Normal to heavy load

Displacement not possible

Applies primarily to ball bearings

Heavy load (thin wall housing) or heavy shock load

Displacement not possible

Applies primarily to roller bearings

High rotation accuracy required with light to normal loads

Light to normal load

F7 also acceptable for large type bearings as well as outer rings and housings with large temperature differences.

When greater accuracy is required substitute Js6 for Js7 and K6 for K7.

Loose fit

Centered axial load only - Loose fit

Select a tolerance class that will provide clearance between outer ring and housing.

1 Standards for light loads, normal loads, and heavy loads Light loads: equivalent radial load ≦ 0.06 Cr Normal loads: 0.06 Cr ＜equivalent radial load ≦ 0.12 Cr Heavy loads: 0.12 Cr ＜ equivalent radial load 2 Indicates whether or not outer ring axial displacement is possible with non-separable type bearings. Notes: 1. All values and fits listed in the above tables are for cast iron or steel housings. 2. In cases where only a centered axial load acts on the bearing, select a tolerance class that will provide clearance in the axial direction for the outer ring.

A-25

●Bearing Fits

Table 4.3 Standard fits for thrust bearings (JIS Class 0 and 6) Table 4.3 (1) Shaft fits Load conditions

Fit

Shaft diameter mm over incl

Tolerance class

All thrust bearings

Centered axial load only

Transition fit

All sizes

js6 or h6

Inner ring static load

Transition fit

All sizes

js6

Inner ring rotating load or direction indeterminate load

Transition fit

― ∼ 200 200 ∼ 400 400 ∼

k6 or js6 m6 or k6 n6 or m6

Self-aligning roller thrust bearings

Combined load

Bearing type

Tight fit

Table 4.3 (2) Housing fits Bearing type

Load conditions

All thrust bearings

Centered axial load only

Remarks

Select a tolerance class that will provide clearance between outer ring and housing. Loose fit

Combined load

Self-aligning roller thrust bearings

Tolerance class

Fit

Greater accuracy required with thrust ball bearings

Outer ring static load

Direction Indeterminate Transition fit load or outer ring rotating load

Normal operating conditions

For relatively large radial loads

Note: All values and fits listed in the above tables are for cast iron or steel housings.

Table 4.4 Fits for electric motor bearings Bearing type

Shaft fits Shaft diameter mm Tolerance class over incl.

Housing bore diameter Housing fits

Tolerance class

Deep groove ball bearings

18 ∼ 100 100 ∼ 160

k5 m5

All sizes

H6 or J6

Cylindrical roller bearings

40 ∼ 160 160 ∼ 200

m5 n6

All sizes

H6 or J6

A-26

●Bearing Fits

Table 4.5 Fits for inch series tapered roller bearing (ANSI class 4) Table 4.5 (1) Fit with shaft

Unit μm

Shaft diameter Load conditions

d over

mm incl.

Cone bore tolerance ∆ds high low

Shaft tolerance

1）

Extreme fits

Remark

Rotating cone load

high

low + 38 + 76 +114

max

min

64T ∼ 13T 127T ∼ 25T 190T ∼ 38T

Applicable when slight impact load is applied as well.

Stationary cone load

Normal loads, no shock

76.2 ∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+25 +51 +76

0 0 0

+ 64 +127 +190

Heavy loads or shock loads

76.2 ∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+25 +51 +76

0 0 0

Use average tight cone fit of 0.5μm/mm, (0.0005 inch/inch) of cone bore, use a minimum fit of 25μm, 0.0010 inch tight.

Cone axial displacement on shaft necessary

76.2 ∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+25 +51 +76

0 0 0

+ 25 + 51 + 76

0 0 0

25T ∼ 25L 51T ∼ 51L 76T ∼ 76L

Cone axial displacement on shaft unnecessary

76.2 ∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+25 +51 +76

0 0 0

- 25 - 51 - 76

0 ∼ 50L 0 ∼ 102L 0 ∼ 152L

Not applicable when impact load is applied.

Table 4.5 (2) Fit with housing

Load conditions

Unit μm

Housing bore diameter D mm over incl.

Cup O.D. tolerance ∆Ds high low

Housing bore tolerance

Extreme fits

Types of fit

Stationary cup load Rotating cup load

high

low

max

Light and normal loads: cup easily axially displaceable

76.2 127.0 304.8 609.6

∼ ∼ ∼ ∼

127.0 304.8 609.6 914.4

+25 +25 +51 +76

0 0 0 0

+ 76 + 76 +152 +229

+ 51 + 51 +102 +152

26L 26L 51L 76L

∼ ∼ ∼ ∼

76L 76L 152L 229L

loose fit

Light and normal loads: cup axially adjustable

76.2 127.0 304.8 609.6

∼ ∼ ∼ ∼

127.0 304.8 609.6 914.4

+25 +25 +51 +76

0 0 0 0

+ 25 + 51 + 76 +127

0 0 + 26 + 51

25T 25T 25T 25T

∼ ∼ ∼ ∼

25L 51L 76L 127L

tight interference fit

Heavy loads: cup not axially displaceable

76.2 127.0 304.8 609.6

∼ ∼ ∼ ∼

127.0 304.8 609.6 914.4

+25 +25 +51 +76

0 0 0 0

25 25 25 25

- 51 - 51 - 76 -102

76T 76T 127T 178T

∼ ∼ ∼ ∼

25T 25T 25T 25T

Cup not axially displaceable

76.2 127.0 304.8 609.6

∼ ∼ ∼ ∼

127.0 304.8 609.6 914.4

+25 +25 +51 +76

0 0 0 0

25 25 25 25

- 51 - 51 - 76 -102

76T 76T 127T 178T

∼ ∼ ∼ ∼

25T 25T 25T 25T

1 T= tight, L= loose

A-27

min

tight fit

●Bearing Fits

Table 4.6 Fits for inch series tapered roller bearing (ANSI class 3 and 0) Table 4.6. (1) Fit with shaft

Unit μm

Shaft diameter Load conditions

d over

mm incl.

Cone bore tolerance ∆ds high low

Shaft tolerance

1）

Extreme fits

Rotating cone load Stationary cone load

high

low

Precision machine tool spindles

∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+13 +25 +38

0 0 0

+ 30 + 64 +102

+ 18 + 38 + 64

Heavy loads, or high speed or shock

76.2 ∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+13 +25 +38

0 0 0

Use minimum tight cone fit of 0.25μm/mm 0.00025 inch/inch of cone bore.

Precision machine tool spindles

∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+13 +25 +38

0 0 0

+ 13 + 25 +102

0 0 0

max

min

30T ∼ 5T 64T ∼ 13T 102T ∼ 26T

Note: Must be applied for maximum bore dia. 241.300mm (9.500 inch) in case of class 0 product.

Table 4.6 (2) Fit with housing

Unit μm 1

Housing bore diameter D mm over incl.

Cup O.D. tolerance ∆Ds high low

Housing bore tolerance

Extreme fits

high

max

Floating

∼ 152.4 ∼ 304.8 ∼ 609.6 ∼

152.4 304.8 609.6 914.4

+13 +13 +25 +38

0 0 0 0

+ + + +

38 38 64 89

+ + + +

25 25 38 51

12L 12L 13L 13L

∼ ∼ ∼ ∼

38L 38L 64L 89L

Clamped

∼ 152.4 ∼ 304.8 ∼ 609.6 ∼

152.4 304.8 609.6 914.4

+13 +13 +25 +38

0 0 0 0

+ + + +

25 25 51 76

+ + + +

13 13 25 38

0 0 0 0

∼ ∼ ∼ ∼

25L 25L 51L 76L

Adjustable

∼ 152.4 152.4 ∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+13 +13 +13 +38

0 0 0 0

+ + + +

13 13 25 38

0 0 0 0

13T 13T 25T 38T

∼ ∼ ∼ ∼

13L 13L 25L 38L

Nonadjustable or in carriers

∼ 152.4 152.4 ∼ 304.8 304.8 ∼ 609.6 609.6 ∼ 914.4

+13 +13 +25 +38

0 0 0 0

Nonadjustable or in carriers

∼ 152.4 ∼ 304.8 ∼ 609.6 ∼

+13 +13 +25 +38

0 0 0 0

Load conditions

Stationary cup load Rotating cup load

152.4 304.8 609.6 914.4

low

Type of fit min

0 0 0 0

13 25 25 38

26T 38T 50T 76T

∼ ∼ ∼ ∼

0 0 0 0

13 13 13 13

25 38 38 51

38T 51T 63T 89T

∼ ∼ ∼ ∼

13T 13T 13T 13T

1 T= tight, L= loose Note: Must be applied for maximum cup OD 304.800mm (12.000 inch) in case of class 0 product.

A-28

loose fit

tight interference fit

tight fit

●Bearing Internal Clearance 5. Bearing Internal Clearance 5.1 Bearing internal clearance

5.2 Internal clearance selection

Bearing internal clearance (initial clearance) is the amount of internal clearance a bearing has before being installed on a shaft or in a housing.

The internal clearance of a bearing under operating conditions (effective clearance) is usually smaller than the same bearing's initial clearance before being installed and operated. This is due to several factors including bearing fit, the difference in temperature between the inner and outer rings, etc. As a bearing's operating clearance has an effect on bearing life, heat generation, vibration, noise, etc.; care must be taken in selecting the most suitable operating clearance.

As shown in Fig. 5.1, when either the inner ring or the outer ring is fixed and the other ring is free to move, displacement can take place in either an axial or radial direction. This amount of displacement (radially or axially) is termed the internal clearance and, depending on the direction, is called the radial internal clearance or the axial internal clearance.

Effective internal clearance: The internal clearance differential between the initial clearance and the operating (effective) clearance (the amount of clearance reduction caused by interference fits, or clearance variation due to the temperature difference between the inner and outer rings) can be calculated by the following formula:

When the internal clearance of a bearing is measured, a slight measurement load is applied to the raceway so the internal clearance may be measured accurately. However, at this time, a slight amount of elastic deformation of the bearing occurs under the measurement load, and the clearance measurement value (measured clearance) is slightly larger than the true clearance. This discrepancy between the true bearing clearance and the increased amount due to the elastic deformation must be compensated for. These compensation values are given in Table 5.1. For roller bearings the amount of elastic deformation can be ignored.

δeff ＝δo −（δf ＋δt ）…………………（5.1） where, δeff : Effective internal clearance, mm δo : Bearing internal clearance, mm δf : Reduced amount of clearance due to interference, mm δt : Reduced amount of clearance due to temperature differential of inner and outer r, mm

The internal clearance values for each bearing class are shown in Tables 5.2 through 5.9.

Table 5.1 Examples of applications where bearing clearances other than normal clearance are used

δ2

Operating conditions

Applications Railway vehicle axles

With heavy or shock load, clearance is great. Vibration screens

δ1

With direction indeterminate load, both inner and outer rings are tight-fitted. Shaft or inner ring is heated. To reduce shaft runout, clearance is adjusted.

Radial clearance =δ

Axial clearance =δ1＋δ2

Fig. 5.1 Internal clearance

A-29

Selected clearance C3 C3，C4

Railway vehicle traction motors

Tractors and final speed regulators

Paper making machines and driers

C3，C4

Rolling mill table rollers

Main spindles of lathes (Double-row cylindrical roller bearings)

C9NA， C0NA

●Bearing Internal Clearance

temperature difference between the two rings can be even greater. The amount of internal clearance is thus further reduced by the differential expansion of the two rings.

(1) Reduced clearance due to interference When bearings are installed with interference fits on shafts and in housings, the inner ring will expand and the outer ring will contract; thus reducing the bearings' internal clearance. The amount of expansion or contraction varies depending on the shape of the bearing, the shape of the shaft or housing, dimensions of the respective parts, and the type of materials used. The differential can range from approximately 70% to 90% of the effective interference.

δt ＝α・∆T・Do ………………………… (5.3) where, δt : Amount of reduced clearance due to heat differential, mm α : Bearing steel linear expansion coefficient 12.5 × 10-6/˚C ∆T : Inner/outer ring temperature differential, ℃ Do : Outer ring raceway diameter, mm

δf ＝ (0.70∼0.90) ∆deff …………………… (5.2) where, δf : Reduced amount of clearance due to interference, mm ∆deff : Effective interference, mm

Outer ring raceway diameter, Do, values can be approximated by using formula (5.4) or (5.5). For ball bearings and self-aligning roller bearings, Do ＝ 0.20 (d ＋ 4.0D) ……………………… (5.4) For roller bearings (except self-aligning), Do ＝ 0.25 (d ＋ 3.0D) ……………………… (5.5) where, d : Bearing bore diameter, mm D : Bearing outside diameter, mm

(2) Reduced internal clearance due to inner/outer ring temperature difference. During operation, normally the outer ring will range from 5 to 10℃ cooler than the inner ring or rotating parts. However, if the cooling effect of the housing is large, the shaft is connected to a heat source, or a heated substance is conducted through the hollow shaft; the

Table 5.2 Radial internal clearance of deep groove ball bearings Nominal bore diameter d mm over incl.

Unit μm

Normal

min

max

min

max

min

max

min

max

min

max

80 100 120

100 120 140

1 2 2

18 20 23

12 15 18

36 41 48

30 36 41

58 66 81

53 61 71

84 97 114

75 90 105

120 140 160

140 160 180

160 180 200

2 2 2

23 25 30

18 20 25

53 61 71

46 53 63

91 102 117

81 91 107

130 147 163

120 135 150

180 200 230

200 225 250

225 250 280

2 2 2

35 40 45

25 30 35

85 95 105

75 85 90

140 160 170

125 145 155

195 225 245

175 205 225

265 300 340

280 315 355

315 355 400

2 3 3

55 60 70

40 45 55

115 125 145

100 110 130

190 210 240

175 195 225

270 300 340

245 275 315

370 410 460

400 450 500

450 500 560

3 3 10

80 90 100

60 70 80

170 190 210

150 170 190

270 300 330

250 280 310

380 420 470

350 390 440

510 570 630

560 630 710

630 710 800

10 20 20

110 130 140

90 110 120

230 260 290

210 240 270

360 400 450

340 380 430

520 570 630

490 540 600

690 760 840

800 900 1,000 1,120

900 1,000 1,120 1,250

20 20 20 20

160 170 180 190

140 150 160 170

320 350 380 410

300 330 360 390

500 550 600 650

480 530 580 630

700 770 850 920

670 740 820 890

940 1,040 1,150 1,260

A-30

●Bearing Internal Clearance

Table 5.3 Radial internal clearance of double row and duplex angular contact ball bearings Nominal bore diameter d mm over incl.

C1 min

C2 max

min

max

Normal

min

Unit μm

max

min

max

min

max

80 100 120

100 120 150

3 3 3

13 15 16

22 30 33

22 30 35

40 50 55

60 75 80

95 110 130

120 140 170

150 180 200

180 200 225

3 3 3

18 20 25

35 40 50

60 65 75

90 100 115

150 180 210

200 240 270

225 250 280

250 280 315

3 3 3

25 30 30

50 55 55

75 85 85

80 90 100

130 150 170

230 260 300

300 340 380

315 400

400 500

40 40

65 65

60 60

85 85

110 110

180 180

Notes: 1. The clearance group in the table is applied only to contact angles in the table below. 2. This table shows NTN standard clearances.

Table 5.4 Radial internal clearance of bearings for electric motor Contact angle symbol

C 1 A B

Nominal contact angle

15˚ 30˚ 40˚

Applicable clearance group 2

Unit μm

Nominal bore diameter d mm over incl.

C1，C2 C2，Normal，C3 Normal，C3，C4

1 Usually not to be indicated 2 For information concerning clearance other than applicable clearance, please contact NTN Engineering.

Radial internal clearance CM Deep groove ball bearings Cylindrical roller bearings min max min max

80 (incl.) 100 120

100 120 140

18 18 24

30 30 38

35 35 40

55 60 65

140 160 180

160 180 200

24 ーー

38 ーー

50 60 65

80 90 100

Notes: 1. Suffix CM is added to bearing numbers. Ex. 6220CM 2. Cylindrical roller bearings are non-interchangeable clearance.

Table 5.5 Radial internal clearance of cylindrical roller bearings, needle roller bearings (Interchangeable, cylindrical bore bearings) Nominal bore diameter d mm over incl.

C2 min

Normal

Unit μm

max

min

max

min

max

min

80 100 120

100 120 140

15 15 15

50 55 60

50 50 60

85 90 105

75 85 100

110 125 145

105 125 145

140 165 190

155 180 200

190 220 245

140 160 180

160 180 200

20 25 35

70 75 90

120 125 145

115 120 140

165 170 195

215 220 250

225 250 275

275 300 330

200 225 250

225 250 280

45 45 55

105 110 125

165 175 195

160 170 190

220 235 260

280 300 330

305 330 370

365 395 440

280 315 355

315 355 400

55 65 100

130 145 190

205 225 280

200 225 280

275 305 370

350 385 460

410 455 510

485 535 600

400 450 500

450 500 560

110 110 120

210 220 240

310 330 360

410 440 480

510 550 600

565 625 -

665 735 -

560 630 710

630 710 800

140 145 150

260 285 310

380 425 470

500 565 630

620 705 790

800 900 1,000 1,120

900 1,000 1,120 1,250

180 200 220 230

350 390 430 470

520 580 640 710

690 770 850 950

860 960 1,060 1,190

Note: This table shows NTN standard clearances where "d＞500mm".

A-31

max

min

max

●Bearing Internal Clearance

Table 5.6 Radial internal clearance of cylindrical roller bearings, needle roller bearings (non-interchangeable) Nominal bore diameter d mm over incl.

Bearing with cylindrical bore C1NA min max

80 100 120

100 120 140

10 10 15

140 160 180

160 180 200

15 15 20

200 225 250

225 250 280

20 25 25

280 315 355

315 355 400

30 30 35

400 450 500

450 500 560

560 630 710 800 900 1,000 1,120

C2NA min max

25 25 30 35 35 40 45 50 55 60

NA1 min max

C3NA min max

C4NA min max

C5NA min max

25 25 30

45 50 60

70 80 90

80 95 105

105 120 135

125 145 160

155 180 200

180 205 230

35 35 40

65 75 80

100 110 120

115 125 140

150 165 180

180 200 220

225 250 275

260 285 315

45 50 55

90 100 110

135 150 165

155 170 185

200 215 240

240 265 295

305 330 370

350 380 420

60 65 75

120 135 150

180 200 225

205 225 255

265 295 330

325 360 405

410 455 510

470 520 585

45 50 -

65 75 85 95 -

85 95 100

170 190 210

255 285 320

285 315 350

370 410 450

455 505 550

565 625 720

650 720 815

630 710 800

110 130 140

230 260 290

350 400 450

380 435 485

500 570 635

615 695 780

800 900 1,000

910 1,030 1,140

900 1,000 1,120 1,250

160 180 200 220

330 360 400 440

500 560 620 690

540 600 670 750

700 780 900 1,000

860 970 1,100 1,220

1,130 1,270 1,410 1,580

1,290 1,440 1,620 1,820

1 For bearings with normal clearance, only NA is added to bearing numbers. Ex. NU310NA

Table 5.7 Axial internal clearance of metric double row and duplex tapered roller bearings (except series 329X, 322C, 323C) Nominal bore diameter d mm over incl.

Contact angleα≦27˚ (e ≦ 0.76) C2

Normal

min

max

min

max

min

max

min

max

80 100 120

100 120 140

45 45 45

150 175 175

260 305 305

280 350 390

390 480 520

390 455 500

500 585 630

140 160 180

160 180 200

60 80 100

200 220 260

200 240 260

340 380 420

400 440 500

540 580 660

520 600 660

660 740 820

200 225 250

225 250 280

120 160 180

300 360 400

480 560 620

560 620 700

740 820 920

720 820 920

900 1,020 1,140

280 315 355

315 355 400

200 220 260

440 480 560

440 500 560

680 760 860

780 860 980

1,020 1,120 1,280

1,260 1,380 1,580

400 500 560

500 560 630

300 350 400

600 650 700

620 750 850

920 1,050 1,150

1,100 1,250 1,400

1,400 1,550 1,700

1,440 1,650 1,850

1,740 1,950 2,150

630 710 800

710 800 900

500 550 650

850 950 1,050

1,000 1,100 1,250

1,350 1,500 1,650

1,650 1,800 2,000

2,000 2,200 2,400

2,100 2,300 2,550

2,450 2,700 2,950

900 1,000 1,120 1,250

1,000 1,120 1,250 1,400

700 750 850 1,000

1,100 1,250 1,350 1,500

1,400 1,500 1,700 2,000

1,800 2,000 2,200 2,500

2,200 2,500 2,850 3,000

2,600 3,000 3,350 3,500

2,900 3,250 3,700 4,000

3,300 3,750 4,200 4,500

Notes: 1. This table applies to bearings contained in the catalog. For information concerning other bearings or bearings using US customary unit, please contact NTN Engineering. 2. The correlation of axial internal clearance (∆a) and radial internal clearance (∆r) is expressed as ∆r = 0.667 ・ e・∆a. e: Constant (see dimensions table) 3. Bearing series 329X, 330, 322C and 323Cdo not apply to the table. 4. This table shows NTN standard clearances.

A-32

●Bearing Internal Clearance

Unit μm

Bearing with tapered bore C9NA

C0NA min max

C1NA min max

C2NA min max

Nominal bore diameter d mm over incl.

NA min

max

C3NA min max

70 80 90

80 95 105

105 120 135

125 145 160

80 100 120

100 120 140

65 75 80

100 110 120

115 125 140

150 165 180

180 200 220

140 160 180

160 180 200

90 100 110

135 150 165

155 170 185

200 215 240

240 265 295

200 225 250

225 250 280

60 65 75

120 135 150

180 200 225

205 225 255

265 295 330

325 360 405

280 315 355

315 355 400

100 115 -

85 95 100

170 190 210

255 285 320

285 315 350

370 410 450

455 505 550

400 450 500

450 500 560

110 130 140

230 260 290

350 400 450

380 435 485

500 570 635

615 695 780

560 630 710

630 710 800

160 180 200 220

330 360 400 440

500 560 620 690

540 600 670 750

700 780 900 1,000

860 970 1,100 1,220

800 900 1,000 1,120

900 1,000 1,120 1,250

min

max

10 10 15

25 25 30

20 20 25

35 35 40

25 25 30

45 50 60

15 15 20

35 35 40

30 30 30

45 45 50

35 35 40

65 75 80

20 25 25

45 50 55

35 40 40

55 65 65

45 50 55

30 30 35

60 65 75

45 45 50

75 75 90

45 50 -

85 95 -

60 70 -

2 C9NA, C0NA and C1NA are applied only to precision bearings of Class 5 and higher.

Unit μm

Contact angleα＞ 27˚ (e ＞ 0.76) C2 min

max

Normal min max

Nominal bore diameter

C3 min

max

C4 min

max

d mm over incl.

20 20 20

70 70 70

120 120 120

130 150 160

180 200 210

180 210 210

230 260 260

80 100 120

100 120 140

30 40 50

100 110 120

160 180 190

180 200 230

240 270 300

240 280 310

300 340 380

140 160 180

160 180 200

60 80 90

140 160 190

140 170 190

200 260 280

260 290 320

340 380 420

340 380 430

420 470 520

200 225 250

225 250 280

90 100 120

200 220 260

200 230 260

310 350 400

360 400 450

470 510 590

470 520 590

580 630 730

280 315 355

315 355 400

140 160 180

280 310 350

420 460 520

510 530 590

640 650 760

650 680 760

780 820 930

400 500 630

500 630 800

A-33

●Bearing Internal Clearance

Table 5.8 Axial internal clearance of double row and duplex tapered roller bearings (inch series) Table 5.8 (1) contact angle α＜12˚ Nominal bore 1 diameter d mm over incl.

Unit μm

Contact angleα＜12°(e＜0.32) C2

Normal

min

max

min

max

min

max

min

max

63.5 127 203.2

127 203.2 304.8

55 85 140

165 230 320

290 320 370

400 470 550

510 620 730

620 770 910

304.8 406.4 508

406.4 508 609.6

200 260 340

420 520 640

660 710 790

880 970 1,090

1,100 1,230 1,390

1,320 1,490 1,690

609.6 711.2 762

711.2 762 914.4

430 -

780 -

1,120 -

1,470 -

1,820 -

2,170 -

1 Nominal bore diameter is the minimum size among the same series. Note: This table shows NTN standard clearances.

≦ contact angleα α＜15° ° Table 5.8 (2) 12˚≦ Nominal bore 1 diameter d mm over incl.

Unit μm

12°≦ Contact angleα＜15°(0.32≦ e＜0.40) C2

Normal

min

max

min

max

min

max

min

max

63.5 127 203.2

127 203.2 304.8

45 70 120

135 190 270

240 270 310

330 390 460

420 510 610

510 630 760

304.8 406.4 508

406.4 508 609.6

160 210 280

340 420 530

550 590 650

730 800 900

910 1,010 1,150

1,090 1,220 1,400

609.6 711.2 762

711.2 762 914.4

350 420 520

640 750 890

930 990 1,070

1,220 1,320 1,440

1,510 1,650 1,810

1,800 1,980 2,180

1 Nominal bore diameter is the minimum size among the same series. Note: This table shows NTN standard clearances.

≦ contact angleα α＜20° ° Table 5.8 (3) 15˚≦ Nominal bore 1 diameter d mm over incl.

Unit μm

15°≦ Contact angleα＜20°(0.40≦ e＜0.55) C2

Normal

min

max

min

max

min

max

min

max

63.5 127 203.2

127 203.2 304.8

35 55 90

105 155 210

190 210 240

260 310 360

330 410 480

400 510 600

304.8 406.4 508

406.4 508 609.6

130 170 220

270 340 420

440 470 520

580 640 720

720 810 920

860 980 1,120

609.6 711.2 762

711.2 762 914.4

280 340 410

510 600 700

740 780 850

970 1,040 1,140

1,200 1,300 1,430

1,430 1,560 1,720

1 Nominal bore diameter is the minimum size among the same series. Note: This table shows NTN standard clearances.

A-34

●Bearing Internal Clearance

≦ contact angleα α＜30° ° Table 5.8 (4) 20˚≦

Unit μm

bore 1

Nominal diameter d mm over incl.

20°≦ Contact angleα＜30°(0.55≦ e＜0.87) C2

Normal

min

max

min

max

min

max

min

max

63.5 127 203.2

127 203.2 304.8

30 40 70

80 110 160

140 160 180

190 230 270

240 300 360

290 370 450

304.8 406.4 508

406.4 508 609.6

95 120 160

195 240 310

320 350 380

420 470 530

520 590 680

620 710 830

609.6 711.2 762

711.2 762 914.4

210 250 300

380 440 520

540 580 630

710 770 850

880 960 1,070

1,050 1,150 1,290

1 Nominal bore diameter is the minimum size among the same series. Note: This table shows NTN standard clearances.

≦ contact angleα α Table 5.8 (5) 30˚≦

Unit μm

bore 1

Nominal diameter d mm over incl.

30°≦ Contact angleα(0.87≦e) C2

Normal

min

max

min

max

min

max

min

max

63.5 127 203.2

127 203.2 304.8

15 25 45

50 70 100

90 100 110

125 145 170

160 190 230

200 240 290

304.8 406.4 508

406.4 508 609.6

60 80 100

130 160 200

200 220 -

270 300 -

340 380 -

410 460 -

609.6 711.2 762

711.2 762 914.4

130 160 190

250 290 330

1 Nominal bore diameter is the minimum size among the same series. Note: This table shows NTN standard clearances.

A-35

●Bearing Internal Clearance

Table 5.9 Radial internal clearance of spherical roller bearings Nominal bore diameter d mm over

incl.

Bearing with cylindrical bore C2 min max

Normal min max

C3 min max

C4 min max

C5 min max

80 100 120

100 120 140

35 40 50

60 75 95

100 120 145

135 160 190

180 210 240

225 260 300

140 160 180

160 180 200

60 65 70

110 120 130

170 180 200

220 240 260

280 310 340

350 390 430

200 225 250

225 250 280

80 90 100

140 150 170

220 240 260

290 320 350

380 420 460

470 520 570

280 315 355

315 355 400

110 120 130

190 200 220

280 310 340

370 410 450

500 550 600

630 690 750

400 450 500

450 500 560

140 140 150

240 260 280

370 410 440

500 550 600

660 720 780

820 900 1,000

560 630 710

630 710 800

170 190 210

310 350 390

480 530 580

650 700 770

850 920 1,010

1,100 1,190 1,300

800 900 1,000

900 1,000 1,120

230 260 290

430 480 530

650 710 780

860 930 1,020

1,120 1,220 1,330

1,440 1,570 1,720

1,120 1,250 1,400 1,600

1,250 1,400 1,600 1,800

320 350 400 450

580 640 720 810

860 950 1,060 1,180

1,120 1,240 1,380 1,550

1,460 1,620 1,800 2,000

1,460 1,620 -

1,870 2,080 -

Note: This table shows NTN standard clearances where "d＞1,000mm".

A-36

●Bearing Internal Clearance

Unit μm

Nominal bore diameter

Bearing with tapered bore C2 min max

d mm

Normal min max

C3 min max

C4 min max

C5 min max

over

incl.

55 65 80

80 100 120

110 135 160

140 170 200

180 220 260

230 280 330

80 100 120

100 120 140

90 100 110

130 140 160

180 200 220

230 260 290

300 340 370

380 430 470

140 160 180

160 180 200

120 140 150

180 200 220

250 270 300

320 350 390

410 450 490

520 570 620

200 225 250

225 250 280

170 190 210

240 270 300

330 360 400

430 470 520

540 590 650

680 740 820

280 315 355

315 355 400

230 260 290

330 370 410

440 490 540

570 630 680

720 790 870

910 1,000 1,100

400 450 500

450 500 560

320 350 390

460 510 570

600 670 750

760 850 960

980 1,090 1,220

1,230 1,360 1,500

560 630 710

630 710 800

440 490 530

640 710 770

840 930 1,030

1,070 1,190 1,300

1,370 1,520 1,670

1,690 1,860 2,050

800 900 1,000

900 1,000 1,120

570 620 680 750

830 910 1,000 1,110

1,120 1,230 1,350 1,500

1,420 1,560 1,720 1,920

1,830 2,000 2,200 2,400

1,830 2,000 -

2,250 2,470 -

1,120 1,250 1,400 1,600

1,250 1,400 1,600 1,800

A-37

●Lubrication 6. Lubrication 6.1 Lubrication of rolling bearings

(dust, water, etc.) into the bearing interior, removes dust and other impurities from the lubricant, and prevents the lubricant from leaking to the outside, is also a requirement.

The purpose of bearing lubrication is to prevent direct metallic contact between the various rolling and sliding elements. This is accomplished through the formation of a thin oil (or grease) film on the contact surfaces. For rolling bearings, lubrication also has the following advantages:

Almost all rolling bearings use either grease or oil lubrication methods, but in some special applications, a solid lubricant such as molybdenum disulfide or graphite may be used.

(1) Friction and wear reduction (2) Friction heat dissipation (3) Prolonged bearing life (4) Prevention of rust (5) Protection against harmful elements

Fig. 6.1 shows the relationship between oil volume, friction loss, and bearing temperature. Table 6.1 details the characteristics of this relationship.

6.2 Characteristics of grease and oil lubricants Grease and oil are the two general choices for lubrication: it is important to select lubricant with care. Please contact NTN Engineering when selecting a lubricant. The characteristics are show in table 6.2. Table 6.2 Comparison of grease lubrication and oil lubrication characteristics

high

In order to achieve the above effects, the most effective lubrication method for the operating conditions must be selected. Also, a good quality, reliable lubricant must be selected. In addition, an effectively designed sealing system that prevents the intrusion of damaging elements

Temperature increase

Friction loss

Temperature increase

Method

Oil volume great

Concern

Grease lubrication

Handling

◎

△

Reliability

○

◎

Cooling effect

○ necessary)

Seal structure

○

△

Power loss

○

Environment contamination

○

△

High speed rotation

○

Oil lubrication

(Circulation

◎： Very good ○：Good △：Fair ×：Poor

Fig. 6.1

6.3 Grease lubrication

Table 6.1 Oil volume, friction loss, bearing temperature (See Fig. 6.1) Range

Characteristics

Lubrication method

When oil volume is extremely low, direct metallic contact occurs in places between the rolling elements and raceway surfaces. Bearing abrasion and seizing occur.

ーーー

A thin oil film develops over all surfaces, friction is minimal and bearing temperature is low.

Grease lubrication, oil mist, air-oil lubrication

As oil volume increases, heat buildup is balanced by cooling.

Circulating lubrication

Regardless of oil volume, temperature increases at a fixed rate.

Circulating lubrication

Forced circulation As oil volume increases, cooling predominates and bearing temperature lubrication, Oil jet lubrication decreases.

Grease type lubricants are relatively easy to handle and require only the simplest sealing devices–for these reasons, grease is the most widely used lubricant for rolling bearings. 6.3.1 Types and characteristics of grease Lubricating greases are composed of either a mineral oil base or a synthetic oil base. To this base a thickener and other additives are added. The properties of all greases are mainly determined by the kind of base oil used and by the combination of thickening agent and various additives. Standard greases and their characteristics are listed in Table 6.3. As performance characteristics of even the same type of grease will vary widely from brand to brand, it is best to check the manufacturers' data when selecting a grease.

A-38

●Lubrication

Table 6.3 Grease varieties and characteristics Grease name

Lithium grease

Sodium grease (fiber grease)

Calcium compound base grease

Thickener

Li soap

Na soap

Ca+Na soap Ca+Li soap

Base oil

Mineral oil

Diester oil

Silicone oil

Mineral oil

Dropping point ˚C

170 ∼ 190

200 ∼ 250

150 ∼ 180

Operating temperature range ˚C

-30 ∼ +130

-50 ∼ +130

-50 ∼ +160

-20 ∼ +130

-20 ∼ +120

Mechanical stability

Excellent

Good

Excellent ∼ Good

Pressure resistance

Good

poor

Good

Excellent ∼ Good

Water resistance

Good

Good ∼ poor

Widest range of applications. Applications

Grease used in all types of rolling bearings.

Excellent low temperature and wear characteristics.

Suitable for high and low temperatures.

Some emulsification when water is introduced.

Excellent pressure resistance and mechanical stability.

Suitable for small sized and miniature bearings.

Unsuitable for heavy load applications due to low oil film strength.

Excellent characteristics at relatively high temperatures.

Suitable for bearings receiving shock loads.

Grease name

Aluminum grease

Non-soap base grease Thickener

Thickener

AI soap

Bentone, silica gel, urea, carbon black, fluorine compounds, etc.

Base oil

Mineral oil

Synthetic oil

Dropping point ˚C

70 ∼ 90

250 or above

Operating temperature range ˚C

-10 ∼ +80

-10 ∼ +130

-50 ∼ +200

Mechanical stability

Good ∼ poor

Good

Pressure resistance

Good

Water resistance

Good

Excellent viscosity characteristics. Applications

Suitable for bearings subjected to vibrations.

Can be used in a wide range of low to high temperatures. Shows excellent heat resistance, cold resistance, chemical resistance, and other characteristics when matched with a suitable base oil and thickener. Grease used in all types of rolling bearings.

A-39

●Lubrication

6.3.2 Base oil Natural mineral oil or synthetic oils such as diester oil, silicone oil and fluorocarbon oil are used as grease base oils.

Table 6.4 Consistency of grease NLGI Consistency No.

JIS (ASTM) Worked penetration

355∼385

For centralized greasing use

310∼340

For centralized greasing use

265∼295

For general use and sealed bearing use

220∼250

For general and high temperature use

175∼205 For special use

Mainly, the properties of any grease are determined by the properties of the base oil. Generally, greases with a low viscosity base oil are best suited for low temperatures and high speeds; while greases made from high viscosity base oils are best suited for heavy loads. 6.3.3 Thickening agents Thickening agents are compounded with base oils to maintain the semi-solid state of the grease. Thickening agents consist of two types of bases, metallic soaps and non-soaps. Metallic soap thickeners include: lithium, sodium, calcium, etc.

Applications

6.3.6 Mixing of greases When greases of different kinds are mixed together, the consistency of the greases will change (usually softer), the operating temperature range will be lowered, and other changes in characteristics will occur. As a general rule, greases with different bases oil, and greases with different thickener agents should never be mixed.

Non-soap base thickeners are divided into two groups; inorganic (silica gel, bentonite, etc.) and organic (polyurea, fluorocarbon, etc.).

Also, greases of different brands should not be mixed because of the different additives they contain.

The various special characteristics of a grease, such as limiting temperature range, mechanical stability, water resistance, etc. depend largely on the type of thickening agent used. For example, a sodium based grease is generally poor in water resistance properties, while greases with bentone, poly-urea and other non-metallic soaps as the thickening agent are generally superior in high temperature properties.

However, if different greases must be mixed, at least greases with the same base oil and thickening agent should be selected. But even when greases of the same base oil and thickening agent are mixed, the quality of the grease may still change due to the difference in additives. For this reason, changes in consistency and other qualities should be checked before being applied.

6.3.4 Additives Various additives are added to greases to improve various properties and efficiency. For example, there are anti-oxidants, high-pressure additives (EP additives), rust preventives, and anti-corrosives.

6.3.7 Amount of grease The amount of grease used in any given situation will depend on many factors relating to the size and shape of the housing, space limitations, bearing's rotating speed and type of grease used.

For bearings subject to heavy loads and/or shock loads, a grease containing high-pressure additives should be used. For comparatively high operating temperatures or in applications where the grease cannot be replenished for long periods, a grease with an oxidation stabilizer is best to use.

As a general rule, housings and bearings should be only filled from 30% to 60% of their capacities.

6.3.5 Consistency The consistency of a grease, i.e. the stiffness and liquidity, is expressed by a numerical index.

Table 6.5 Bearings space ratio K

The NLGI values for this index indicate the relative softness of the grease; the larger the number, the stiffer the grease. The consistency of a grease is determined by the amount of thickening agent used and the viscosity of the base oil. For the lubrication of rolling bearings, greases with the NLGI consistency numbers of 1, 2, and 3 are used.

Bearing type

NU-type cylindrical roller bearings 2

Pressed retainer Machined retainer

50 36

3 N-type cylindrical roller bearings

Pressed retainer Machined retainer

55 37

Tapered roller bearings

Pressed retainer

Pressed retainer Machined retainer

35 28

1 Remove 160 series 2 Remove NU4 series 3 Remove N4 series

A-40

Pressed retainer

Spherical roller bearings

General relationships between consistency and application of grease are shown in Table 6.4.

Retainer type

Ball bearings 1

â&#x2014;?Lubrication

Where speeds are high and temperature rises need to be kept to a minimum, a reduced amount of grease should be used. Excessive amount of grease cause temperature rise which in turn causes the grease to soften and may allow leakage. With excessive grease fills oxidation and deterioration may cause lubricating efficiency to be lowered.

Solid grease

6.4 Solid grease (for bearings with solid grease) "Solid grease" is a lubricant composed mainly of lubricating grease and ultra-high polymer polyethylene. Solid grease has the same viscosity as grease at normal temperature, but by applying a special heat treatment process, this special grease solidifies retaining a large proportion of the lubricant within the bearing. The result of this solidification is that the grease does not easily leak from the bearing, even when the bearing is subjected to strong vibrations or centrifugal force. Bearings with solid grease are available in two types: the spot-pack type in which solid grease is injected into the retainer, and the full-pack type in which all empty space around the rolling elements is filled with solid grease. Spot-pack solid grease is standard for deep groove ball bearings, small diameter ball bearings, and bearing units. Full-pack solid grease is standard for self-aligning ball bearings, self-aligning roller bearings, and needle roller bearings. Primary advantages: (1) Clean working environment with minimal grease leakage (2) Low bearing torque with spot-pack type solid grease

Fig. 6.3 Deep groove ball bearing with spot-pack solid grease (Z shield) (Standard for deep groove ball bearings)

Solid grease

Fig. 6.4 Self-aligning roller bearing with full-pack solid grease (Standard for self-aligning roller bearings)

For more details, please refer to the NTN special catalog for Solid grease bearings.

A-41

●Lubrication

6.5 Oil lubrication Oil lubrication is suitable for applications that require bearing-generated heat or heat applied to the bearing from other sources be carried away from the bearing and

dissipated to the outside.Table 6.6 shows the main methods of oil lubrication.

Table 6.6 Oil lubrication methods Lubrication method

Example

Lubrication method

(Oil bath lubrication)

Example

(Disc lubrication) ¡In this method, a partially submerged disc rotates and pulls oil up into a reservoir from which it then drains down through the bearing, lubricating it.

¡Oil bath lubrication is the most generally used method of lubrication and is widely used for low to moderate rotation speed applications. ¡For horizontal shaft applications, oil level should be maintained at approximately the center of the lowest rolling element, according to the oil gauge, when the bearing is at rest. For vertical shafts at low speeds, oil level should be maintained at 50 80% submergence of the rolling elements.

(Oil spray lubrication) ¡In this method, an impeller or similar device mounted on the shaft draws up oil and sprays it onto the bearing. This method can be used at considerably high speeds.

(Oil mist lubrication) ¡Using pressurized air, lubricating oil is atomized before passing through the bearing. ¡Due to the low lubricant resistance, this method is well suited to high speed applications.

Oil supply plug Oil supply plug

Oil exhaust plug Oil exhaust plug

(Drip lubrication)

(Air-oil lubrication)

¡In this method, oil is collected above the bearing and allowed to drip down into the housing where it becomes a lubricating mist as it strikes the rolling elements. Another version allows only slight amounts of oil to pass through the bearing. ¡Used at relatively high speeds for light to moderate load applications. ¡In most cases, oil volume is a few drops per minute.

¡In this method, the required minimum amount of lubricating oil is measured and fed to each bearing at ideal intervals using compressed air. ¡With fresh lubricating oil constantly being fed to the bearing, and with the cooling effect of the compressed air, bearing temperature rise can be minimized. ¡Because the required oil quantity is infinitesimal, the working environment can be kept clean. Air-oil lubrication units are available from NTN.

(Circulating lubrication) ¡Used for bearing cooling applications or for automatic oil supply systems in which the oil supply is centrally located. ¡One of the advantages of this method is that oil cooling devices and filters to maintain oil purity can be installed within the system. ¡In order for oil to thoroughly lubricate the bearing, oil inlets and outlets must be provided on opposite sides of the bearing.

(Oil jet lubrication)

Oil supply plug

Oil exhaust plug

A-42

¡This method lubricates by injecting oil under high pressure directly into the side of the bearing. This is a reliable system for high speed, high temperature or otherwise severe conditions. ¡Used for lubricating the bearings in jet engines, gas turbines, and other high speed equipment. ¡Under-race lubrication for machine tools is one example of this type of lubrication.

Mist separator

Reservoir (level switch) Oil

Air Air filter

Air oil line

Solenoid valve T Timer Air Pressure switch

Nozzle

●Lubrication

6.5.2 Oil quantity In forced oil lubrication systems, the heat radiated away by the housing and surrounding parts plus the heat carried away by the lubricating oil is approximately equal to the amount of heat generated by the bearing and other sources.

6.5.1 Selection of lubricating oil Under normal operating conditions, spindle oil, machine oil, turbine oil, and other mineral oils are widely used for the lubrication of rolling bearings. However, for temperatures above 150˚C or below -30˚C, synthetic oils such as diester oil, silicone oil, and fluorocarbon oil are used. For lubricating oils, viscosity is one of the most important properties and it determines an oil’s lubricating efficiency. If viscosity is too low, formation of the oil film will be insufficient, and damage will occur to the load carrying surfaces of the bearing. If viscosity is too high, viscous resistance will also be great and result in temperature increases and friction loss. In general, for higher speed applications a lower viscosity oil should be used; for heavier load applications, a higher viscosity oil should be used. In regard to operating temperature and lubrication, Table 6.7 lists the required oil viscosity for different types of rolling bearings. Fig. 6.3 is an oil viscosity–operating temperature comparison chart for the purpose of selecting a lubrication oil with viscosity characteristics appropriate to an application. Table 6.8 lists the selection standards for lubricating oil viscosity with reference to bearing operating conditions.

For standard housing applications, the quantity of oil required can be found by formula (6.2). Q＝K・q ……………………………… (6.2) where, Q: Quantity of oil for one bearing cm3/min. K: Allowable oil temperature rise factor (Table 6.9) q : Minimum oil quantity cm3/min. (Fig. 6.4)

Because the amount of heat radiated will vary according to the type of housing, for actual operation it is advisable that the quantity of oil calculated by formula (6.2) be multiplied by a factor or 1.5 or 2.0. Then, the amount of oil can be adjusted to correspond to actual operating conditions. 3,000 2,000

1: 2: 3: 4: 5: 6: 7:

1,000 500 300 200

Viscosity mm2/s

100

Table 6.7 Required lubricating oil viscosity for bearings Dynamic viscosity mm2 /s

Bearing type Ball bearings, Cylindrical roller bearings, Needle roller bearings Self-aligning roller bearings, Tapered roller bearings, Needle roller thrust bearings Self-aligning roller thrust bearings

ISO ISO ISO ISO ISO ISO ISO

VG 320 VG 150 VG 68 VG 46 VG 32 VG 22 VG 15

50 30 20 15

1 2

6 5

3 4 5

7 3

- 30

- 20

- 10

100 110 120 130 140 150 160

Temperature ˚C

Fig. 6.3 Relation between lubricating oil viscosity and temperature Table 6.8 Selection standards for lubricating oils (reference) Bearing operating temperature ˚C −30∼

0∼ 60

60∼100

dn-value

Lubricating oil ISO viscosity grade (VG)

Suitable bearing

Normal load

Heavy load or shock load

22，32

All types

15,000 Up to

46，68

100

All types

15,000 ∼80,000

32，46

All types

80,000 ∼150,000

22，32

All types but thrust ball bearings

150,000∼500,000

22，32

Single row radial ball bearings, cylindrical roller bearings

15,000 Up to

150

220

All types

15,000 ∼80,000

100

150

All types

80,000 ∼150,000

100，150

All types but thrust ball bearings

150,000∼500,000

Single row radial ball bearings, cylindrical roller bearings

Up to allowable speed limiting

100 ∼150

Up to allowable speed limiting

320

0∼ 60

Up to allowable speed limiting

46，68

60∼100

Up to allowable speed limiting

150

All types Self-aligning roller bearings

Notes: 1. Applied when lubrication method is either oil bath or circulating lubrication. 2. Please consult NTN Engineering in cases where operating conditions fall outside the range covered by this table.

A-43

●Lubrication

Table 6.9 Factor K Expelled oil temp minus supplied oil temp ˚C

6.5.3 Relubrication intervals The intervals at which lubricating oil should be changed varies depending upon operating conditions, oil quantity, and type of oil used. In general, for oil bath lubrication where the operating temperature is 50˚C or less, oil should be replaced once a year. When the operating temperature is between 80˚C – 100˚C, oil should be replaced at least every three months. For important equipment, it is advisable that lubricating efficiency and oil purity deterioration be checked regularly to determine when oil replacement is necessary.

10 1.5 15 1 20 0.75 25 0.6

Furthermore, if it is assumed for calculation purposes that no heat is radiated by the housing, and that all bearing heat is removed by the oil, then the value in Fig. 6.3 for shaft diameter, d ＝ 0, regardless of actual shaft diameter. ――――――――――――――――――――――――――――――――――――

(Example) For tapered roller bearing 30220U mounted on a flywheel shaft with a radial load of 9.5 kN (969 kgf), operating at 1,800 min-1, what is the amount of lubricating oil required to keep the bearing temperature rise below 15˚C.

―――――――――――――――――――――――――――――――――――― d ＝ 100 mm， dn ＝ 100×1,800＝18×104 From Fig. 6.4 q ＝ 180cm3 / min

Assume the bearing temperature is approximately equal to the expelled oil temperature, from Table 6.9, since K ＝ 1 Q＝1×180＝180cm3 / min

dn×

10 4

3 4

5 6

Bearing type Self-aligning roller bearings Tapered roller bearings Angular contact ball bearings Deep groove ball bearings, Cylindrical roller bearings

8 10

dP Loa kgf kN 30,000 00 300 20,0 0 0 2 Shaft 00 diameter 10,0 0 0 d 10 7,00 mm 70 0 6,00 160 0 60 4,00 140 40 0 3,00 30 100 0 80 2,00 60 20 0 40 20 1,50 15 0 0 1,00 10 800 8 600

20 30 40

400 200

Oil quantity q cm3/min

100 200 300 400 500 600 700 800 900 1,000 1,100 1,200

Fig. 6.4 Oil quantity guidelines

A-44

●Bearing Materials 7. Bearing Materials bearing with excellent rolling fatigue life with minimal dimensional change or softening at high temperatures. A variety of heat resistant steels are also incorporated in bearings to minimize softening and dimensional changes when used at high temperatures. Two of these are high speed molybdenum steel and high speed tungsten steel. For bearings requiring heat resistance in high speed applications, there is also heat resistant case hardening molybdenum steel.

7.1 Raceway and rolling element materials While the contact surfaces of a bearing's raceways and rolling elements are subjected to repeated heavy stress, they still must maintain high precision and rotational accuracy. To accomplish this, the raceways and rolling elements must be made of a material that has high hardness, is resistant to rolling fatigue, is wear resistant, and has good dimensional stability. The most common cause of fatigue cracking in bearings is the inclusion of non-metallic impurities in the steel. By using pure materials low in these non-metallic impurities, the rolling fatigue life of the bearing is lengthened. For all NTN bearings, steel low in oxygen content and non-metallic impurities, then refined by a vacuum degassing process as well as outside hearth smelting, is used. For bearings requiring especially high reliability and long life, steels of even higher in purity, such as vacuum smelted steel (VIM, VAR, CEVM) and electro-slag melted steel (ESR), are used.

4) Corrosion resistant bearing steel For applications requiring high corrosion resistance, stainless steel is used. To achieve this corrosion resistance a large proportion of the alloying element chrome is added to martensite stainless steel. 5) Induction hardened steel Besides the use of surface hardening steel, induction hardening is also utilized for bearing raceway surfaces, and for this purpose mid-carbon steel is used for its lower carbon content instead of through hardened steel. For induction hardening of the deep layers required for larger bearings and bearings with large surface dimensions, midcarbon steel is fortified with chrome and molybdenum.

1) High/mid carbon alloy steel In general, steel varieties which can be hardened not just on the surface but also deep hardened by the so-called "through hardening method" are used for the raceways and rolling elements of bearings. Foremost among these is high carbon chromium bearing steel, which is widely used. For large type bearings and bearings with large cross sectional dimensions, induction hardened bearing steel incorporating manganese or molybdenum is used. Also in use is midcarbon chromium steel incorporating silicone and manganese, which gives it hardening properties comparable to high carbon chromium steel.

6) Other bearing materials For ultra high speed applications and applications requiring very high level corrosion resistance, ceramic bearing materials such as Si3N4 are also available.

7.2 Cage materials Bearing cage materials must have the strength to withstand rotational vibrations and shock loads. These materials must also have a low friction coefficient, be light weight, and be able to withstand bearing operation temperatures. For small and medium sized bearings, pressed cages of cold or hot rolled steel with a low carbon content of approx. 0.1% are used. However, depending on the application, austenitic stainless steel is also used. For large bearings, machined cages of machine structural carbon steel or high tensile cast brass are widely used, although aluminum alloy and other material cages are also available. For aircraft engine bearings, high tensile brass, midcarbon nickel, chrome, or molybdenum steel is used after undergoing various heat treatments and high temperature tempering. The sliding properties of these materials may also be enhanced when silver plated. Injection molded plastic cages are now widely used: most are made from fiberglass reinforced heat resistant polyamide resin. Plastic cages are light weight, corrosion resistant and have excellent damping and sliding properties. Heat resistant polyamide resins now enable the production of cages that perform well in applications ranging between -40˚C – 120˚C. However, they are not recommended for use at temperatures exceeding 120˚C.

2) Case hardened (carburized) steel Because of its combination of a hard surface layer which has been carburized and hardened to an appropriate depth, and a relatively pliable inner core, case hardened steel has excellent efficiency against shock loads. NTN uses case hardened steel for almost all of its tapered roller bearings. In terms of case hardened steel for NTN's other bearings, chromium steel and chrome molybdenum steel are used for small to medium sized bearings, and nickel chrome molybdenum steel is used for large sized bearings. 3) Heat resistant bearing steel When bearings made of ordinary high carbon chromium steel which have undergone standard heat treatment are used at temperatures above 120˚C for long durations, unacceptably large dimensional changes can occur. For this reason, a dimension stabilizing treatment (TS treatment) has been devised for very high temperature applications. Through application of this dimension stabilizing treatment, shortening of rolling fatigue life due to decreases in bearing hardness at high temperatures can be avoided. (refer to page insert A-6 1.3.2) For standard high temperature bearings used at temperatures from 150˚C – 200˚C, the addition of silicone to the steel improves heat resistance and results in a

A-45

MEMO

A-46

General Bearings

INDEX OF BEARING TABLES

Deep Groove Ball Bearings

⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B- 5

Angular Contact Ball Bearings

⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-15

Angular contact ball bearings (single, duplex) ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-18 Double row angular contact ball bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-32

Cylindrical Roller Bearings

⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-37

Single row cylindrical roller bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-40 Multi-row cylindrical roller bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-56 4-row cylindrical roller bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-64 SL type cylindrical roller bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-80 SL type cylindrical roller bearings for sheaves ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-84

Tapered Roller Bearings

⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B- 89

Single row tapered roller bearings (Metric system sizes) ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B- 96 Single row tapered roller bearings (Inch system sizes) ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-106 Double row tapered roller bearings (outside direction) (Metric system sizes) ⋯B-124 Double row tapered roller bearings (outside direction) (Inch system sizes) ⋯⋯B-140

B-2

Double row tapered roller bearings (inside direction) (Metric system sizes) ⋯⋯B-152 Double row tapered roller bearings (inside direction) (Inch system sizes) ⋯⋯⋯B-162 Double row steep slope tapered roller bearings (outside direction) ⋯⋯⋯⋯⋯⋯B-170 Double row steep slope tapered roller bearings (inside direction) ⋯⋯⋯⋯⋯⋯B-172 Four row tapered roller bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-180 Sealed four row tapered roller bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-200

Spherical Roller Bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-203

Thrust Bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-227 Thrust bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-230 Thrust roller bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-234 Tapered roller thrust bearings (single direction type) ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-240 Tapered roller thrust bearings (double direction type) ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-244 Self-aligning roller thrust bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯B-246

B-3

Deep Groove Ball Bearings

â&#x2014;?Deep Groove Ball Bearings 1. Structure and Characteristics A widely used bearing, the deep groove ball bearing takes its name from the track formed on both the inner and outer rings of the bearing. The bearings can sustain radial and axial loads and the resultant forces of these loads and they are suitable for high speed operation. The dimensional table below represents the various cage models and special shapes. Drawing A is the pressed cage;

drawing B shows the machined cage; drawings C through F show the position and shape of the notch on the inner ring; and drawing G shows a bearing with the key groove on the inner ring. Pressed cages are generally used, though machined cages are used for larger sized bearings, or bearings for high speed rotation.

Deep groove ball bearings drawing

2. Dimensional Accuracy/Rotation Accuracy

5. Permissible slant angle

Refer to Table 3.3 (Page A-12)

0.0006-0.003 radian

3. Recommended Fitting

6. General Operating Cautions

Refer to Table 4.2 (Page A-24)

Slippage between the balls and raceways may occur when bearings are operated under small loads (about Fr â&#x2030;Ś 0.01Cor) and may cause smearing. This is most apparent when using large size deep groove ball bearings due to the large cage mass. Please consult NTN Engineering for further details.

4. Bearing Internal Clearance Refer to Table 5.2 (Page A-30)

B-5

●Deep Groove Ball Bearings Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa Fa ≦e Fr Fr ＞e e Cor X Y X Y 0.010 0.18 2.46 0.020 0.20 2.14 0.040 0.24 1.83 0.070 0.27 1.61 0.10 0.29 1 0 0.56 1.48 0.15 0.32 1.35 0.20 0.35 1.25 0.30 0.38 1.13 0.40 0.41 1.05 0.50 0.44 1.00 static Por＝0.6Fr＋0.5Fa

B ra

r φD

φDa

φd

φda

When Por＜Fr use Por＝Fr

d 100∼140mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm d

rs min2

Cor

static

Cor

Bearing Drawing1 numbers No.

Abutment and fillet dimensions mm Da ras da min

max

Mass kg （approx.）

100

125 140 150 150 180 215

13 20 16 24 34 47

1 1.1 1 1.5 2.1 3

19.6 41 35 60 122 173

21.2 39.5 36.5 54 93 141

2,000 4,200 3,600 6,150 12,500 17,600

2,160 4,050 3,750 5,500 9,450 14,400

6820 6920 16020 6020 6220 6320

A A A A A A

105 106.5 105 108 111 113

120 133.5 145 142 169 202

1 1 1 1.5 2 2.5

0.31 0.78 0.91 1.15 3.14 7

105

130 145 160 160 190 225

13 20 18 26 36 49

1 1.1 1 2 2.1 3

19.8 42.5 52 72.5 133 184

22 42 50.5 65.5 105 153

2,020 4,300 5,300 7,400 13,600 18,700

2,240 4,300 5,150 6,700 10,700 15,700

6821 6921 16021 6021 6221 6321

A A A A A A

110 111.5 110 114 116 118

125 138.5 155 151 179 212

1 1 1 2 2 2.5

0.33 0.81 1.2 1.59 3.7 8.05

110

140 150 170 170 200 240

16 20 19 28 38 50

1 1.1 1 2 2.1 3

24.9 43.5 57.5 82 144 205

28.2 44.5 56.5 73 117 179

2,540 4,450 5,850 8,350 14,700 20,900

2,880 4,550 5,800 7,450 11,900 18,300

6822 6922 16022 6022 6222 6322

A A A A A A

115 116.5 115 119 121 123

135 143.5 165 161 189 227

1 1 1 2 2 2.5

0.51 0.85 1.46 1.96 4.36 9.54

120

150 165 180 180 215 260

16 22 19 28 40 55

1 1.1 1 2 2.1 3

28.9 53 63 85 155 207

33 54 63.5 79.5 131 185

2,950 5,400 6,450 8,650 15,900 21,100

3,350 5,500 6,450 8,100 13,400 18,800

6824 6924 16024 6024 6224 6324

A A A A A A

125 126.5 125 129 131 133

145 158.5 175 171 204 247

1 1 1 2 2 2.5

0.55 1.15 1.56 2.07 5.15 12.4

130

165 180 200 200 230 280

18 24 22 33 40 58

1.1 1.5 1.1 2 3 4

37 65 80 106 167 229

41 67.5 79.5 101 146 214

3,750 6,650 8,150 10,800 17,000 23,400

4,200 6,850 8,100 10,300 14,900 21,800

6826 6926 16026 6026 6226 6326

A A A A A A

136.5 138 136.5 139 143 146

158.5 172 193.5 191 217 264

1 1.5 1 2 2.5 3

0.8 1.52 2.31 3.16 5.82 15.3

140

175 190 210 210

18 24 22 33

1.1 1.5 1.1 2

38.5 66.5 82 110

44.5 71.5 85 109

3,900 6,800 8,350 11,200

4,550 7,300 8,650 11,100

6828 6928 16028 6028

A A A A

146.5 148 146.5 149

168.5 182 203.5 201

1 1.5 1 2

0.85 1.62 2.45 3.35

1 Drawing details are shown in Page B-5. 2 Smallest allowable dimension for chamfer dimension r.

B-6

B ra

r φD

φDa

φd

φda

When Por＜Fr use Por＝Fr

d 140∼180mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm d

140

250 300

42 62

145

220

rs min2

static

Bearing Drawing1 numbers No.

Cor

3 4

166 253

150 246

17,000 25,800

15,300 25,100

6228 6328

2.5

126

115

12,800

11,800

150

190 210 225 225 230 230 270 320

20 28 24 35 35 35 45 65

1.1 2 1.1 2.1 2.5 2.5 3 4

47.5 85 96.5 126 120 120 176 274

55 90.5 101 126 118 118 168 284

4,850 8,650 9,850 12,800 12,300 12,300 18,000 28,000

160

200 220 229.5 229.5 230 240 240 290 340

20 28 33 36 33 25 38 48 68

1.1 2 2.5 2.5 2.5 1.5 2.1 3 4

48.5 87 108 120 108 99 143 185 278

57 96 111 119 111 108 144 186 286

170

215 230 260 260 310 360

22 28 28 42 52 72

1.1 2 1.5 2.1 4 4

60 86 119 168 212 325

180

225 250 265 280 280 320 380

22 33 33 31 46 52 75

1.1 2 2.5 2 2.1 4 4

60.5 110 113 117 189 227 355

Abutment and fillet dimensions mm Da ras da

Mass kg

min

max

（approx.）

A A

153 156

237 284

2.5 3

7.57 18.5

SC2951

157

208

5,600 9,200 10,300 12,800 12,100 12,100 17,100 28,900

6830 6930 16030 6030 SC3002 SC3007 6230 6330

A A A A C G A A

156.5 159 156.5 161 162 162 163 166

183.5 201 218.5 214 218 218 257 304

1 2 1 2 2 2 2.5 3

1.16 2.47 3.07 4.08 5.18 5.18 9.41 22

4,950 8,850 11,000 12,200 11,000 10,100 14,500 18,900 28,300

5,800 9,800 11,300 12,100 11,300 11,000 14,700 19,000 29,200

6832 6932 SC3209 SC3207 SC3210 16032 6032 6232 6332

A A B B B A A A A

166.5 169 172 172 172 168 171 173 176

193.5 211 218 218 218 232 229 277 324

1 2 2 2 2 1.5 2 2.5 3

1.23 2.61 4.35 4.75 4.39 3.64 5.05 11.7 26

70.5 95.5 128 172 223 355

6,100 8,750 12,100 17,200 21,700 33,500

7,200 9,750 13,100 17,600 22,800 36,000

6834 6934 16034 6034 6234 6334

A A A A A A

176.5 179 178 181 186 186

208.5 221 252 249 294 344

1 2 1.5 2 3 3

1.63 2.74 4.93 6.76 14.5 30.7

73 119 127 134 199 241 405

6,200 11,200 11,500 11,900 19,300 23,200 36,000

7,450 12,200 13,000 13,600 20,300 24,600 41,500

6836 6936 SC3605 16036 6036 6236 6336

B B B A A A A

186.5 189 192 189 191 196 196

218.5 241 253 271 269 304 364

1 2 2 2 2 3 3

2.03 4.76 6.08 6.49 8.8 15.1 35.6

1 Drawing details are shown in Page B-5. 2 Smallest allowable dimension for chamfer dimension r.

B-7

5.07

B ra

r φD

φDa

φd

φda

When Por＜Fr use Por＝Fr

d 190∼260mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm d

static

rs min2

Cor

Bearing Drawing1 numbers No.

Abutment and fillet dimensions mm Da ras da

Mass kg

min

max

（approx.）

2.62 4.98 5.87 6.77 9.18 18.2 41

190

240 260 269.5 290 290 340 400

24 33 33 31 46 55 78

1.5 2 2.5 2 2.1 4 5

73 113 117 134 197 255 355

88 127 134 156 215 281 415

7,450 11,500 11,900 13,700 20,100 26,000 36,000

9,000 13,000 13,600 15,900 21,900 28,700 42,500

6838 6938 SC3805 16038 6038 6238 6338

B B G A A A A

198 199 202 199 201 206 210

232 251 258 281 279 324 380

1.5 2 2 2 2 3 4

195

270

2.5

130

147

13,300

15,000

SC3904

207

258

200

250 280 310 310 360 420

24 38 34 51 58 80

1.5 2.1 2 2.1 4 5

74 157 142 218 269 410

91.5 168 160 243 310 500

7,550 16,000 14,400 22,200 27,400 42,000

9,300 17,100 16,300 24,800 31,500 51,000

6840 6940 16040 6040 6240 6340

B B A A A A

208 211 209 211 216 220

242 269 301 299 344 400

1.5 2 2 2 3 4

2.73 7.1 8.68 11.9 21.6 46.3

220

270 300 309.5 319.5 340 340 400 460

24 38 38 46 37 56 65 88

1.5 2.1 2.5 2.5 2.1 3 4 5

76.5 160 176 193 181 241 297 410

98 180 202 220 216 289 365 520

7,800 16,400 18,000 19,700 18,500 24,600 30,500 42,000

10,000 18,400 20,600 22,400 22,000 29,400 37,000 53,000

6844 6944 SC4401 SC4405 16044 6044 6244 6344

B B B B A A A A

228 231 232 232 231 233 236 240

262 289 298 308 329 327 384 440

1.5 2 2 2 2 2.5 3 4

3 7.69 8.77 12 11.3 15.7 30.2 60.8

230

329.5 339.5

40 45

2.5 3

191 224

227 266

19,500 22,800

23,100 27,200

SC4605 SC4609

B G

242 244

318 326

2 2.5

10.8 13.7

240

300 320 360 360 440 500

28 38 37 56 72 95

2 2.1 2.1 3 4 5

85 170 178 249 360 440

112 203 217 310 470 590

8,650 17,300 18,200 25,400 36,500 45,000

11,400 20,700 22,100 32,000 48,000 60,000

6848 6948 16048 6048 6248 6348

B B A A B B

249 251 251 253 258 262

291 309 349 347 422 478

2 2 2 2.5 3 4

4.6 8.28 12.1 16.8 51.7 93.6

250

349.5

2.5

214

262

21,800

26,700

SC5003

262

338

13.4

260

320

120

8,900

12,200

6852

269

311

1 Drawing details are shown in Page B-5. 2 Smallest allowable dimension for chamfer dimension r.

B-8

5.94

B ra

r φD

φDa

φd

φda

When Por＜Fr use Por＝Fr

d 260∼340mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm d

rs min2

Cor

static

Cor

Bearing Drawing1 numbers No.

Abutment and fillet dimensions mm Da ras da min

max

Mass kg （approx.）

260

360 46 379.5 56 400 44 400 65 480 80 540 102

2.1 4 3 4 5 6

222 253 227 291 400 505

280 320 299 375 540 710

22,600 25,800 23,200 29,700 41,000 51,500

28,500 32,500 30,500 38,500 55,000 72,500

6952 SC5206 16052 6052 6252 6352

B G A A B B

271 278 273 276 282 288

349 362 387 384 458 512

2 13.9 3 20.8 2.5 18.5 3 25 4 65.7 5 116

280

350 360 380 420 420 500 580

2 2.5 2.1 3 4 5 6

137 147 227 232 325 440 530

177 191 299 315 420 600 760

13,900 14,900 23,200 23,700 33,000 44,500 54,000

18,100 19,500 30,500 32,500 43,000 61,000 77,500

6856 SC5605 6956 16056 6056 6256 6356

B B B B B B B

289 292 291 293 296 302 308

341 348 369 407 404 478 552

2 7.4 2 9.47 2 14.8 2.5 23 3 31 4 70.9 5 142

290

419.5

277

375

28,300

38,500

SC5803

312

398

26.8

300

380 420 460 460 540

38 56 50 74 85

2.1 3 4 4 5

162 276 292 355 465

210 375 410 480 670

16,500 28,200 29,800 36,000 47,500

21,500 38,500 42,000 49,000 68,500

6860 6960 16060 6060 6260

B B B B B

311 313 316 316 322

369 407 444 444 518

2 2.5 3 3 4

10.5 23.5 32.5 43.8 88.9

310

429.5 450

60 50

4 4

275 286

380 420

28,000 29,200

38,500 42,500

SC6201 SC6203

B B

328 328

412 432

3 3

25.8 25.9

320

400 440 449.5 470 480 480 580

38 56 56 70 50 74 92

2.1 3 3 4 4 4 5

168 285 276 330 300 370 530

228 405 395 475 440 530 805

17,200 29,000 28,200 34,000 30,500 38,000 54,500

23,200 41,000 40,500 48,500 45,000 54,000 82,500

6864 6964 SC6406 SC6403 16064 6064 6264

B B B B B B B

331 333 334 338 336 336 342

389 427 436 452 464 464 558

2 10.9 2.5 24.8 2.5 27.6 3 40.4 3 34.2 3 46.1 4 110

340

420 460 489.5 520 520

38 56 60 57 82

2.1 3 5 4 5

170 293 290 340 420

236 430 435 515 610

17,400 29,800 29,600 35,000 42,500

24,000 44,000 44,000 52,500 62,500

6868 6968 SC6802 16068 6068

2 B B B B

351 353 362 356 360

409 447 468 504 500

2 2.5 4 3 4

33 38 46 44 65 80 108

1 Drawing details are shown in Page B-5. 2 Smallest allowable dimension for chamfer dimension r.

B-9

11.5 26.2 36.2 47.1 61.8

B ra

r φD

φDa

φd

φda

When Por＜Fr use Por＝Fr

d 340∼480mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm d

340

620

355.6

469.9

rs min2

Cor

530

57.15

360

440 480 509.5 540 540 650

38 56 70 57 82 95

380

480 520 560 560

static

Bearing Drawing1 numbers No.

Cor

820

54,000

83,500

6268

233

340

23,800

34,500

2.1 3 5 4 5 6

187 300 340 350 440 555

258 455 515 550 670 905

19,100 30,500 34,500 36,000 44,500 57,000

46 65 57 82

2.1 4 4 5

231 325 360 455

340 510 590 725

400

500 540 600 600 720

46 65 63 90 130

2.1 4 5 5 6

226 335 370 510 610

420

520 560 620

46 65 90

2.1 4 5

440

540 599 600 650

46 80 74 94

450

629

460

480

Abutment and fillet dimensions mm Da ras da

Mass kg

max

（approx.）

592

129

377.5

448

B B B B B B

371 373 382 376 380 388

429 467 488 524 520 622

2 12.3 2.5 27.5 4 45 3 49.3 4 64.7 5 145

6876 6976 16076 6076

B B B B

391 396 398 400

469 504 542 540

2 3 3 4

19.7 39.8 50.1 67.5

34,500 54,500 63,000 84,000 110,000

6880 6980 16080 6080 SC8002

B B B B D

411 416 422 420 428

489 524 578 580 692

2 3 4 4 5

20.6 41.6 65.8 87.6 226

26,500 35,000 54,000

41,500 57,000 91,000

6884 6984 6084

B B B

431 436 440

509 544 600

2 3 4

21.6 43.4 91.1

420 720 615 900

26,900 43,000 37,500 53,500

43,000 73,500 63,000 92,000

6888 SC8803 6988 6088

B B B B

451 458 456 468

529 581 584 622

2 3 3 5

22.5 64 60 104

435

770

44,500

78,500

SC9001

468

611

3 4 6

315 375 605

515 645 1,080

32,000 38,500 62,000

52,500 66,000 110,000

6892 6992 6092

B B B

473 476 488

567 604 652

2.5 34.8 3 62.2 5 122

3 5

320 430

540 770

32,500 44,000

55,000 78,500

6896 6996

B B

493 500

587 630

2.5 4

min

max

368

SC7101

26,300 46,500 52,500 56,000 68,000 92,000

6872 6972 SC7205 16072 6072 6272

23,600 33,000 37,000 46,500

34,500 52,000 60,000 74,000

340 535 620 825 1,080

23,100 34,000 38,000 52,000 62,000

260 340 530

405 560 895

2.1 4 4 6

264 425 365 525

580 620 680

56 74 100

600 650

56 78

1 Drawing details are shown in Page B-5. 2 Smallest allowable dimension for chamfer dimension r.

B-10

26.3

36.2 73

B ra

r φD

φDa

φd

φda

When Por＜Fr use Por＝Fr

d 480∼710mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm d

rs min2

static

Cor

Bearing Drawing1 numbers No.

Abutment and fillet dimensions mm Da ras da min

max

Mass kg

max

（approx.）

126

480

700

100

605

1,090

61,500

111,000

6096

508

672

500

620 670 689 720

56 78 100 100

3 5 5 6

325 445 545 630

560 805 980 1,170

33,500 45,500 55,500 64,000

57,000 82,500 100,000 120,000

68/500 69/500 SC10006 60/500

B B B B

513 520 522 528

607 650 667 692

2.5 37.5 4 75.5 4 103 5 130

520

719

100

560

1,050

57,000

107,000

SC10403

542

697

530

650 710 780

56 82 112

3 5 6

330 455 645

580 845 1,270

34,000 46,500 66,000

59,500 86,000 129,000

68/530 69/530 60/530

B B B

543 552 558

637 688 752

2.5 39.5 4 89.1 5 178

560

680 750 820

56 85 115

3 5 6

335 525 705

600 1,020 1,410

34,000 53,500 72,000

61,500 104,000 143,000

68/560 69/560 60/560

B B B

573 582 588

667 728 792

2.5 41.5 4 103 5 200

570

790

115

705

1,400

72,000

143,000

SC11401

598

762

600

730 800 870

60 90 118

3 5 6

375 590 725

705 1,200 1,510

38,500 60,500 74,000

72,000 122,000 154,000

68/600 69/600 60/600

B B B

613 622 628

717 778 842

2.5 51.7 4 122 5 228

610

869

120

725

1,510

74,000

154,000

SC12203

632

847

223

630

710 780 850 920

69 69 100 128

4 4 6 7.5

210 420 680 840

395 820 1,450 1,770

21,400 43,000 69,500 85,500

40,000 84,000 148,000 181,000

SC12601 68/630 69/630 60/630

B B B B

648 648 658 666

692 762 822 884

3 3 5 6

36 71.6 158 280

650

919

118

840

1,780

85,500

181,000

SC13007

678

891

246

670

820 900 980

69 103 136

4 6 7.5

425 700 975

850 1,530 2,120

43,000 71,000 99,500

86,500 156,000 216,000

68/670 69/670 60/670

B B B

688 698 706

802 872 944

3 5 6

75.1 181 336

710

870 950 1,030

74 106 140

4 6 7.5

440 715 1,020

910 1,600 2,310

44,500 72,500 104,000

92,500 163,000 235,000

68/710 69/710 60/710

B B B

728 738 746

852 922 994

3 5 6

91.1 205 379

1 Drawing details are shown in Page B-5. 2 Smallest allowable dimension for chamfer dimension r.

B-11

118

166

B ra

r φD

φDa

φd

φda

When Por＜Fr use Por＝Fr

d 750∼1,320mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

static

Bearing Drawing1 numbers No.

rs min2

Cor

78 112 140 150

5 6 7.5 7.5

485 725 925 1,050

1,040 1,670 2,210 2,500

49,500 74,000 94,500 107,000

106,000 171,000 225,000 255,000

68/750 69/750 SC15002 60/750

B B C B

980 1,060 1,150

82 115 155

5 6 7.5

485 800 1,090

1,070 1,900 2,690

49,500 81,500 111,000

110,000 194,000 274,000

68/800 69/800 60/800

820

1,160

160

7.5

1,020

2,540

104,000

259,000

850

1,030 1,120 1,220

82 118 165

5 6 7.5

500 900 1,120

1,140 2,240 2,880

51,000 92,000 114,000

900

1,090 1,180 1,280

85 122 170

5 6 7.5

610 920 1,150

1,450 2,340 3,100

950

1,150 1,250 1,360

90 132 180

5 7.5 7.5

630 935 1,130

1,220

100

6 7.5 7.5

750

920 1,000 1,070 1,090

800

Abutment and fillet dimensions mm Da ras da

Mass kg

max

（approx.）

772 778 765 765

898 972 1,055 1,075

4 5 6 6

107 238 403 457

B B B

822 828 836

958 1,032 1,114

4 5 6

127 270 515

SC16401

856

1,124

524

116,000 228,000 294,000

68/850 69/850 60/850

B B B

872 878 886

1,008 1,092 1,184

4 5 6

135 305 615

62,500 93,500 117,000

148,000 238,000 315,000

68/900 69/900 60/900

B B B

922 928 936

1,068 1,152 1,244

4 5 6

156 346 685

1,550 2,430 3,050

64,500 95,000 116,000

158,000 248,000 310,000

68/950 69/950 60/950

B B B

972 986 986

1,128 1,214 1,324

4 6 6

184 424 855

710 1,010 1,160

1,790 2,700 3,200

72,000 103,000 119,000

183,000 275,000 330,000

68/1000 69/1000 60/1000

B B B

1,028 1,036 1,036

1,192 1,284 1,384

5 6 6

237 506 945

6 7.5 9.5

730 1,200 1,190

1,910 3,400 3,350

74,500 122,000 121,000

195,000 345,000 345,000

68/1060 69/1060 60/1060

B B B

1,088 1,096 1,104

1,252 1,364 1,456

5 6 8

250 610 1,126

6 7.5 9.5

885 1,230 1,170

2,410 3,550 3,350

90,500 125,000 120,000

246,000 360,000 340,000

68/1120 69/1120 60/1120

B B B

1,148 1,156 1,164

1,332 1,424 1,536

5 6 8

307 640 1,258

1,180 1,540 160

6 7.5

920 1,250

2,580 3,700

94,000 127,000

264,000 375,000

68/1180 69/1180

B B

1,208 1,216

1,392 1,504

5 6

322 762

1,250 1,500 112

925

2,670

94,500

272,000

68/1250

1,278

1,472

376

1,320 1,600 122

1,100

3,300

112,000

335,000

68/1320

1,348

1,572

495

1,000 1,320 140 1,420

185

1,280

100

1,060 1,400 150 1,500

195

1,360

106

1,120 1,460 150 1,580

200

1,420

106

1 Drawing details are shown in Page B-5. 2 Smallest allowable dimension for chamfer dimension r.

B-12

min

B-13

Angular Contact Ball Bearings

●Angular Contact Ball Bearings 1. Structure and Characteristics 1. 1 Single row angular contact ball bearings / duplex angular contact ball bearings contact ball bearings is shown in Table 1. Cage types and special features of single and multi–row angular contact ball bearings are show in Fig.1. Drawings A through F feature the inner ring guide cage. Drawings B and C illustrate cages with lubrication ports. Drawings D and E feature a rolling element guide cage: E also shows the cage with a lubrication port. Note that the inner ring width in drawing F is larger than that of the outer ring.

A line connecting the contact points of both the ball and inner ring and ball and outer ring forms an angle to a line drawn radially: that angle is called the contact angle. An angular contact ball bearing, while designed for radial loads, can accommodate single direction axial loads. Under radial loads and the resulting axial force component, the bearings are generally used in a duplex arrangement. More information on types and characteristics of duplexed angular

Table 1 Duplex angular contact ball bearings Arrangement type Back-to-back duplex arrangement (Code: DB)

Characteristics

These bearings support the radial loads and both direction of axial loads.

Face-to-face duplex arrangement (Code: DF)

¡Since the distance "l" between the cone pressure apexes of bearing is large, the load capacity of the moment load is high. ¡Permissible slant angle is small. ¡The distance "l" between the cone pressure apexes of bearing is small in comparison with the back-to-back duplex arrangement, the load capacity of the moment load is low. ¡Permissible slant angle is larger than the back-to-back duplex arrangement type.

Notes: 1. Since the bearings are manufactured in a set to adjust for the internal clearance or pre-loading, parts with same serial number must be used for assembly. 2. Combination of more than 3 bearings may occur. Please consult NTN Engineering for details.

Fig.1 Single row/duplex angular contact ball bearings

B-15

â&#x2014;?Angular Contact Ball Bearings

1. 2 Double row angular contact ball bearings Two single row angular contact ball bearings when duplexed back-to-back (DB) so that the inner ring forms one piece are used to create double row angular contact ball bearings. Alternatively, the bearings may be duplexed faceto-face (DF) with the outer ring as one piece. These bearings support radial and axial loads in either direction: back-to-back duplexed bearings also support moment loads.

The cage type and special shape of the double row angular contact ball bearings are shown in Fig.2 with the list of drawing numbers in the dimensions table. The drawings A and B are the front-to-front duplex arrangement; drawing 2 is a bearing with a lubricating port; drawings from C to G show the back-to-back duplex arrangement and the different position of the lubricating ports whether or not there are lubricating grooves. Drawing C shows the inner ring width larger than that of outer ring.

Fig.2 Double row angular contact ball bearings drawing

2. Dimensional Accuracy/Rotation Accuracy

5. Cautions for Operation When the bearing loads are small(about Fr â&#x2030;Ś 0.02Cor) or the ratio between the axial and radial loads of the duplex bearing exceeds the value "e", slippage may occur between the balls and the raceways. This slippage may cause smearing. Particularly with large size angular contact ball bearings, this tendency is significant since the ball and cage mass is large. Please consult with NTN Engineering for further details.

Refer to Table 3.3 (Page A-12) Single row/Duplex angular contact ball bearings Double row angular contact ball bearings

3. Recommended Fitting Refer to Table 4.2 (Page A-24) Single row/Duplex angular contact ball bearings Double row angular contact ball bearings

4. Bearing Internal Clearance Refer to Table 5.3 (Page A-31) Duplex angular contact ball bearings Double row angular contact ball bearings

B-16

â&#x2014;?Angular Contact Ball Bearings

B-17

●Angular Contact Ball Bearings (Single, Duplex) B

φD

2B ra

ra φd

φda

φDa

back-to-back arrangement (DB)

face-to-face arrangement (DF)

a single

d 100∼130mm Boundary dimensions

contact angle

dynamic

Basic load ratings static dynamic static single kN kgf Cor Cr Cor

Bearing Drawing1 Load numbers No. center single mm a

Mass single kg

rs min2 rls min2

100

125 140 150 150 180 180 215 215

13 20 24 24 34 34 47 47

− − − − − − − −

1 1.1 1.5 1.5 2.1 2.1 3 3

0.6 0.6 1 1 1.1 1.1 1.1 1.1

30 30 30 40 30 40 30 40

21.2 48.0 68.5 61.0 144 130 207 190

25.2 52.5 70.5 63.5 126 114 193 178

2,160 4,900 6,950 6,250 14,700 13,300 21,100 19,400

2,570 5,350 7,200 6,500 12,800 11,700 19,700 18,100

7820 7920 7020 7020B 7220 7220B 7320 7320B

A A A A A A A A

39 44.5 48 64.5 57.5 76 69 89.5

0.36 0.93 1.47 1.49 3.2 3.26 7.18 7.32

105

130 145 160 160 190 190 225 225

13 20 26 26 36 36 49 49

− − − − − − − −

1 1.1 2 2 2.1 2.1 3 3

0.6 0.6 1 1 1.1 1.1 1.1 1.1

30 30 30 40 30 40 30 40

21.7 48.5 80.0 71.5 157 142 220 202

26.5 54.5 81.5 73.5 142 129 210 194

2,210 4,950 8,150 7,300 16,000 14,500 22,400 20,600

2,700 5,550 8,350 7,500 14,400 13,100 21,500 19,700

7821 7921 7021 7021B 7221 7221B 7321 7321B

A A A A A A A A

40.5 46 51.5 68.6 60.5 80 72 93.5

0.37 0.97 1.86 1.88 3.79 3.87 8.2 8.36

110

140 150 170 170 200 200 240 240

16 20 28 28 38 38 50 50

− − − − − − − −

1 1.1 2 2 2.1 2.1 3 3

0.6 0.6 1 1 1.1 1.1 1.1 1.1

30 30 30 40 30 40 30 40

31.0 49.5 92.0 82.5 170 154 246 226

38.0 56.0 93.0 83.5 158 144 246 226

3,200 5,050 9,350 8,400 17,300 15,700 25,100 23,000

3,850 5,700 9,450 8,550 16,100 14,700 25,100 23,100

7822 7922 7022 7022B 7222 7222B 7322 7322B

A A A A A A A A

44 47.5 54.5 72.8 64 84 76 99

0.58 1.01 2.3 2.34 4.45 4.54 9.6 9.8

120

150 165 180 180 215 215 260 260

16 22 28 28 40 40 55 55

− − − − − − − −

1 1.1 2 2 2.1 2.1 3 3

0.6 0.6 1 1 1.1 1.1 1.1 1.1

30 30 30 40 40 30 30 40

31.5 61.0 93.5 84.0 165 183 246 225

40.0 69.5 98.5 89.0 162 177 252 231

3,250 6,200 9,550 8,550 16,900 18,600 25,100 23,000

4,050 7,100 10,000 9,050 16,500 18,100 25,700 23,600

7824 7924 7024 7024B 7224B 7224 7324 7324B

A A A A A A A A

47 52 57.5 77 90.5 68.5 82.5 107

0.63 1.66 2.47 2.51 6.26 6.26 14.7 14.7

130

165 180 199.5

18 24 33

− − −

1.1 1.5 2.5

0.6 1 1

30 30 30

42.0 75.0 117

53.0 87.5 125

4,300 7,650 12,000

5,400 8,900 12,900

7826 7926 SF2652

A A A

51.5 56.5 64

0.91 1.82 3.74

1 Drawing details are shown in Page B-15. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-18

(approx.)

●Angular Contact Ball Bearings (Single, Duplex)

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa

Contact angle

φda

φDb

30˚ 0.80 40˚ 1.14

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

dynamic

Basic load ratings static dynamic static (duplex) KN kgf Cor Cr Cor

Bearing numbers (duplex) DB

Load center mm a DB DF

da min

Abutment and fillet dimensions mm Da ras rlas max

max

34.0 78.0 111 76.5 233 212 335 310

50.5 105 141 127 251 229 385 355

3,500 7,950 11,300 10,100 23,800 21,600 34,500 31,500

5,150 10,700 14,400 13,000 25,600 23,300 39,500 36,000

DB DB DB DB DB DB DB DB

DF DF DF DF DF DF DF DF

78 109 120 129 149 186 185 226

52 69 72 81 81 118 91 132

105.5 107 108.5 108.5 112 112 114 114

119.5 133 141.5 141.5 168 168 201 201

1 1 1.5 1.5 2 2 2.5 2.5

0.6 0.6 1 1 1 1 1 1

35.0 79.0 130 116 254 231 355 330

53.0 109 163 147 283 258 420 385

3,600 8,050 13,300 11,900 25,900 23,500 36,500 33,500

5,400 11,100 16,700 15,000 28,900 26,300 43,000 39,500

DB DB DB DB DB DB DB DB

DF DF DF DF DF DF DF DF

81 112 129 137 157 196 193 236

55 72 77 85 85 124 95 138

110.5 112 115 115 117 117 119 119

124.5 138 150 150 178 178 211 211

1 1 2 2 2 2 2.5 2.5

0.6 0.6 1 1 1 1 1 1

50.5 80.0 149 134 276 250 400 365

76.0 112 186 167 315 289 490 455

5,150 8,150 15,200 13,600 28,100 25,500 41,000 37,500

7,750 11,400 18,900 17,100 32,500 29,400 50,000 46,000

DB DB DB DB DB DB DB DB

DF DF DF DF DF DF DF DF

88 115 137 145.5 166 206 202 248

56 75 81 89.5 90 130 102 148

115.5 117 120 120 122 122 124 124

134.5 143 160 160 188 188 226 226

1 1 2 2 2 2 2.5 2.5

0.6 0.6 1 1 1 1 1 1

51.5 99.0 152 136 269 297 400 365

79.5 139 197 178 325 355 505 460

5,250 10,100 15,500 13,900 27,400 30,500 41,000 37,500

8,100 14,200 20,100 18,100 33,000 36,000 51,500 47,000

DB DB DB DB DB DB DB DB

DF DF DF DF DF DF DF DF

94 126 143 154 221 177 220 269

62 82 87 98 141 97 110 159

125.5 127 130 130 132 132 134 134

144.5 158 170 170 203 203 246 246

1 1 2 2 2 2 2.5 2.5

0.6 0.6 1 1 1 1 1 1

68.5 121 191

106 175 251

6,950 12,400 19,400

10,800 17,800 25,600

DB DB DB

DF DF DF

103 137 128.5

137 138.5 142

158 171.5 187.5

1 1.5 2

0.6 1 1

B-19

67 89 62.5

Yo 0.66 0.52

●Angular Contact Ball Bearings (Single, Duplex) B

φD

ra ra φD

φd

φd 2B

back-to-back arrangement (DB)

face-to-face arrangement (DF)

single

φda

φDa

single

back-to-back arrangement (DB)

d 130∼160mm Boundary dimensions

contact angle

dynamic

Basic load ratings static dynamic static single kN kgf Cor Cr Cor

Bearing Drawing1 Load numbers No. center single mm a

Mass single kg

rs min2 rls min2

130

200 200 205 230 230 280 280

33 33 24 40 40 58 58

− − − − − − −

2 2 2.5 3 3 4 4

1 1 1 1.1 1.1 1.5 1.5

30 40 30 30 40 30 40

117 105 75.0 196 177 273 250

125 113 90.0 198 180 293 268

12,000 10,700 7,650 20,000 18,100 27,900 25,500

12,800 11,500 9,150 20,200 18,300 29,800 27,400

7026 7026B SF2608 7226 7226B 7326 7326B

A A A A A A A

64 86 60.5 72 95.5 88 115

3.73 3.78 2.98 7.15 7.15 17.6 17.6

140

175 190 210 210 250 250 300 300

18 24 33 33 42 42 62 62

− − − − − − − −

1.1 1.5 2 2 3 3 4 4

0.6 1 1 1 1.1 1.1 1.5 1.5

30 30 30 40 30 40 30 40

43.0 75.5 120 107 203 183 300 275

55.5 90.0 133 119 215 195 335 310

4,350 7,700 12,200 10,900 20,700 18,700 30,500 28,100

5,650 9,150 13,500 12,100 21,900 19,900 34,500 31,500

7828 7928 7028 7028B 7228 7228B 7328 7328B

A A A A A A A A

54.5 59.5 67 90 77.5 103 94.5 123

0.97 1.94 3.96 4.01 8.78 8.78 21.5 21.5

145

220

−

2.5

1.5

148

158

15,100

16,100

SF2951

71.7

5.15

150

190 210 225 225 270 270 320 320

20 28 35 35 45 45 65 65

− − − − − − − −

1.1 2 2.1 2.1 3 3 4 4

0.6 1 1.1 1.1 1.1 1.1 1.5 1.5

30 30 30 40 30 40 30 40

54.5 97.5 137 122 232 210 330 300

70.5 117 154 138 259 235 380 350

5,550 9,900 14,000 12,500 23,700 21,400 33,500 30,500

7,200 11,900 15,700 14,000 26,400 24,000 39,000 36,000

7830 7930 7030 7030B 7230 7230B 7330 7330B

A A A A A A A A

59 66 71.5 96 83 111 100 131

1.35 2.96 4.82 4.88 11 11 25.1 25.1

160

200 215 220 229.5 229.5 230 240 240 290 290 340

20 28 28 33 33 33 38 38 48 48 68

− 25 − − − − − − − − −

1.1 2.5 2 2.5 2.5 2.5 2.1 2.1 3 3 4

0.6 1.1 1 1 1 1 1.1 1.1 1.1 1.1 1.5

30 40 30 40 40 30 30 40 30 40 30

55.5 75.5 98.5 111 111 124 155 139 263 238 345

74.0 93.0 121 128 128 147 176 158 305 279 420

5,650 7,700 10,000 11,300 11,300 12,600 15,800 14,100 26,800 24,200 35,500

7,550 9,450 12,300 13,100 13,100 15,000 18,000 16,100 31,500 28,400 43,000

7832 SF3208 7932 SF3209 SF3214 SF3210 7032 7032B 7232 7232B 7332

A F A A C A A A A A A

62 91 69 98.5 98.5 73 77 103 89 118 106

1.42 2.74 3.13 4.52 4.52 4.15 5.96 5.98 13.7 13.7 29.8

1 Drawing details are shown in Page B-15. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-20

(approx.)

●Angular Contact Ball Bearings (Single, Duplex)

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa

Contact angle

φda

φDb

30˚ 0.80 40˚ 1.14

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

dynamic

Basic load ratings static dynamic static (duplex) KN kgf Cor Cr Cor

Bearing numbers (duplex) DB

Load center mm a DB DF

Abutment and fillet dimensions mm Da ras rlas

min

max

191 171 122 320 288 445 405

251 226 180 395 360 585 535

19,400 17,400 12,500 32,500 29,400 45,500 41,500

25,600 23,100 18,300 40,500 36,500 59,500 54,500

DB DB DB DB DB DB DB

DF DF DF DF DF DF DF

161 171.5 120.5 184 231 234 288

95 105.5 72.5 104 151 118 172

140 140 142 144 144 148 148

190 190 193 216 216 262 262

2 2 2 2.5 2.5 3 3

1 1 1 1 1 1.5 1.5

69.5 123 194 174 330 297 490 445

111 180 265 237 430 390 670 615

7,100 12,500 19,800 17,700 33,500 30,500 50,000 45,500

11,300 18,300 27,000 24,200 44,000 40,000 68,500 63,000

DB DB DB DB DB DB DB DB

DF DF DF DF DF DF DF DF

109 143 167 180 197 248 251 308

73 95 101 114 113 164 127 184

147 148.5 150 150 154 154 158 158

168 181.5 200 200 236 236 282 282

1 1.5 2 2 2.5 2.5 3 3

0.6 1 1 1 1 1 1.5 1.5

241

315

24,500

32,000

143.5

67.5

157

208

1.5

88.5 158 222 199 375 340 535 490

141 234 305 275 515 470 765 700

9,000 16,100 22,700 20,300 38,500 34,500 54,500 50,000

14,400 23,900 31,500 28,100 53,000 48,000 78,000 71,500

DB DB DB DB DB DB DB DB

DF DF DF DF DF DF DF DF

118 160 178 192.5 211 267 265 327

78 104 108 122.5 121 177 135 197

157 160 162 162 164 164 168 168

183 200 213 213 256 256 302 302

1 2 2 2 2.5 2.5 3 3

0.6 1 1 1 1 1 1.5 1.5

90.5 123 160 180 180 201 252 225 425 385 565

148 186 241 256 256 293 355 315 615 555 845

9,200 12,500 16,300 18,300 18,300 20,500 25,700 23,000 43,500 39,500 57,500

15,100 18,900 24,600 26,100 26,100 29,900 36,000 32,500 62,500 57,000 86,000

DB DB DB DB − DB DB DB DB DB DB

DF − DF DF DF DF DF DF DF DF DF

124 182.5 166 196.5 196.5 145.5 192 206 226 284 280

84 132.5 110 130.5 130.5 79.5 116 130 130 188 144

167 172 170 172 172 172 172 172 174 174 178

193 203 210 217.5 217.5 218 228 228 276 276 322

1 2 2 2 2 2 2 2 2.5 2.5 3

0.6 1 1 1 1 1 1 1 1 1 1.5

B-21

Yo 0.66 0.52

●Angular Contact Ball Bearings (Single, Duplex) B

φD

ra ra φD

φd

φd 2B

back-to-back arrangement (DB)

face-to-face arrangement (DF)

single

φda

φDa

single

back-to-back arrangement (DB)

d 160∼195mm Boundary dimensions

contact angle

dynamic

Basic load ratings static dynamic static single kN kgf Cor Cr Cor

Bearing Drawing1 Load numbers No. center single mm a

Mass single kg

rs min2 rls min2

160

340

−

1.5

315

385

32,000

39,500

7332B

139

29.8

170

215 230 260 260 310 310 360 360

22 28 42 42 52 52 72 72

− − − − − − − −

1.1 2 2.1 2.1 4 4 4 4

0.6 1 1.1 1.1 1.5 1.5 1.5 1.5

30 30 30 40 30 40 30 40

68.5 102 186 166 295 266 390 355

90.5 129 214 193 360 325 485 445

6,950 10,400 18,900 17,000 30,000 27,200 39,500 36,000

9,250 13,100 21,900 19,700 36,500 33,000 49,500 45,500

7834 7934 7034 7034B 7234 7234B 7334 7334B

A A A A A A A A

66.5 71.5 83 111.5 95.5 127 113 147

1.88 3.29 7.96 8.02 17 17 35.3 35.3

180

225 250 259.5 259.5 259.5 259.5 280 280 320 320 380 380

22 33 33 33 33 33 46 46 52 52 75 75

− − − − − − − − − − − −

1.1 2 2.5 2.5 2.5 2.5 2.1 2.1 4 4 4 4

0.6 1 1 1 1 1 1.1 1.1 1.5 1.5 1.5 1.5

30 30 40 30 30 30 30 40 30 40 30 40

70.0 131 138 178 178 155 219 196 305 276 410 375

95.0 163 166 211 211 190 266 240 385 350 535 490

7,100 13,400 14,100 18,200 18,200 15,800 22,300 20,000 31,000 28,100 41,500 38,000

9,700 16,600 16,900 21,500 21,500 19,400 27,100 24,400 39,000 35,500 54,500 50,000

7836 7936 SF3618 SF3629 SF3639 SF3641 7036 7036B 7236 7236B 7336 7336B

A A B C B C A A A A A A

69.5 78.5 109 80 80 80 89.5 119.5 98 131 118 155

1.98 4.87 5.7 5.8 5.75 5.65 10.4 10.5 17.7 17.7 40.9 40.9

190

240 255 259.5 260 269.5 269.5 290 290 340 340 400 400

24 33 33 33 33 33 46 46 55 55 78 78

− 29 − − − − − − − − − −

1.5 2.5 2 2 2.5 2.5 2.1 2.1 4 4 5 5

1 1.5 1 1 1.5 2.5 1.1 1.1 1.5 1.5 2 2

30 40 30 30 30 40 30 40 30 40 30 40

85.0 108 133 133 132 134 224 201 305 273 430 390

116 138 169 169 168 166 280 253 390 355 585 535

8,650 11,000 13,500 13,500 13,500 13,600 22,800 20,400 31,000 27,800 44,000 40,000

11,800 14,100 17,200 17,200 17,100 16,900 28,600 25,800 39,500 36,000 59,500 54,500

7838 SF3806 SF3816 7938 SF3802 SF3807 7038 7038B 7238 7238B 7338 7338B

A F C A A B A A A A A A

74 108 81.5 81.5 83 113 92.5 124 104 139 124 163

2.55 4.16 5.1 5.1 5.95 6.05 10.8 10.9 21.3 21.3 47 47

195

270

−

2.5

1.5

153

196

15,600

20,000

SF3901

84.5

6.2

1 Drawing details are shown in Page B-15. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-22

(approx.)

●Angular Contact Ball Bearings (Single, Duplex)

r1a

ra φda

φDb

Equivalent bearing load dynamic Pr＝XFr＋YFa Contact angle

30˚ 0.80 40˚ 1.14

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

dynamic

Basic load ratings static dynamic static (duplex) KN kgf Cor Cr Cor

Bearing numbers (duplex) DB

Load center mm a DB DF

Abutment and fillet dimensions mm Da ras rlas

min

max

515

770

52,500

79,000

346

210

178

322

1.5

111 165 300 270 480 435 630 575

181 257 430 385 715 650 970 890

11,300 16,900 31,000 27,600 49,000 44,000 64,500 59,000

18,500 26,200 43,500 39,500 73,000 66,500 99,000 90,500

DB DB DB DB DB DB DB DB

DF DF DF DF DF DF DF DF

133 171 208 222.5 243 306 298 366

89 115 124 138.5 139 202 154 222

177 180 182 182 188 188 188 188

208 220 248 248 292 292 342 342

1 2 2 2 3 3 3 3

0.6 1 1 1 1.5 1.5 1.5 1.5

113 213 224 290 290 251 355 320 495 450 665 605

190 325 330 420 420 380 530 480 770 700 1,070 975

11,600 21,700 22,800 29,600 29,600 25,600 36,500 32,500 50,500 45,500 68,000 62,000

19,400 33,500 34,000 43,000 43,000 38,500 54,000 49,000 78,500 71,000 109,000 99,500

DB DB DB − DB − DB DB DB DB DB DB

DF DF − DF DF DF DF DF DF DF DF DF

139 190 217.5 160 160 160 225 239 248 314 311 385

95 124 151.5 94 80 94 133 147 144 210 161 235

187 190 192 192 192 192 192 192 198 198 198 198

218 240 247.5 247.5 247.5 247.5 268 268 302 302 362 362

1 2 2 2 2 2 2 2 3 3 3 3

0.6 1 1 1 1 1 1 1 1.5 1.5 1.5 1.5

138 175 216 216 215 217 365 325 495 445 695 635

232 276 335 335 335 330 560 505 780 705 1,170 1,070

14,100 17,800 22,000 22,000 21,900 22,100 37,000 33,000 50,000 45,000 71,000 64,500

23,700 28,200 34,500 34,500 34,500 34,000 57,000 51,500 79,500 72,000 119,000 109,000

DB DB − DB DB DB DB DB DB DB DB DB

DF − DF DF DF − DF DF DF DF DF DF

148 215.5 163 196 166 226 231 247.5 263 333 326 404

100 157.5 97 130 83 160 139 155.5 153 223 170 248

198.5 202 200 200 202 202 202 202 208 208 212 212

231.5 243 249.5 250 257.5 257.5 278 278 322 322 378 378

1.5 2 2 2 2 2 2 2 3 3 4 4

1 1.5 1 1 1.5 2 1 1 1.5 1.5 2 2

249

390

25,400

40,000

−

169

207

258

1.5

B-23

Yo 0.66 0.52

●Angular Contact Ball Bearings (Single, Duplex) B

φD

ra ra φD

φd

φd 2B

back-to-back arrangement (DB)

face-to-face arrangement (DF)

single

φda

φDa

single

back-to-back arrangement (DB)

d 200∼250mm Boundary dimensions

contact angle

dynamic

Basic load ratings static dynamic static single kN kgf Cor Cr Cor

Bearing Drawing1 Load numbers No. center single mm a

Mass single kg

rs min2 rls min2

200

250 279.5 280 289.5 310 310 360 360 420 420

24 38 38 38 51 51 58 58 80 80

− − − − − − − − − −

1.5 2.5 2.1 2.5 2.1 2.1 4 4 5 5

1 1.5 1.1 1.5 1.1 1.1 1.5 1.5 2 2

30 40 30 40 30 40 30 40 30 40

87.0 165 185 188 252 226 335 305 450 410

122 202 231 238 325 293 450 410 605 555

8,850 16,800 18,900 19,200 25,700 23,000 34,500 31,000 46,000 42,000

12,400 20,600 23,600 24,200 33,000 29,900 46,000 41,500 62,000 56,500

7840 SF4006 7940 SF4017 7040 7040B 7240 7240B 7340 7340B

A A A C A A A A A A

77 119.5 88.5 122 99 132.5 110 146 130 170

2.68 7.15 7.15 8.25 14 14.1 25.3 25.3 53.1 53.1

203.2

330.2

88.9 −

1.5

219

285

22,400

29,100

SF4104

14.7

220

270 300 300 309.5 309.5 319.5 340 340 400 460

24 38 38 38 38 46 56 56 65 88

− − 35 − − − − − − −

1.5 2.1 2.5 2.1 2.1 2.1 3 3 4 5

1 1.1 1.5 1.1 1.1 1.1 1.1 1.1 1.5 2

30 30 40 40 40 35 30 40 30 30

89.0 187 149 190 190 226 286 238 345 495

131 239 189 246 246 299 390 325 485 725

9,100 19,000 15,200 19,400 19,400 23,000 29,100 24,300 35,000 50,500

13,300 24,300 19,300 25,100 25,100 30,500 39,500 33,000 49,500 74,000

7844 7944 SF4407 SF4421 SF4433 SF4438 7044 7044B 7244 7344

A A F B C C A A A A

82.5 94 126.5 130 130 117.5 109 145.5 122 142

2.91 7.74 7.25 8.9 8.9 12.2 18.2 18.4 37.1 72.4

230

329.5

−

2.5

1.5

154

202

15,700

20,600

SF4614

135.5

240

300 320 329.5 329.5 329.5 340 360 360 440 500

28 38 40 40 40 40 56 56 72 95

− − − − − − − − − −

2 2.1 2.1 2.5 2.5 2.5 3 3 4 5

1 1.1 1.1 1.5 1.5 1.5 1.1 1.1 1.5 2

30 30 30 40 40 30 30 40 30 30

101 193 221 197 197 211 279 249 420 515

155 255 305 265 265 289 400 355 630 795

10,300 19,600 22,600 20,100 20,100 21,500 28,500 25,400 42,500 52,500

15,800 26,000 31,000 27,000 27,000 29,400 40,500 36,000 64,500 81,000

7848 7948 SF4839 SF4814 SF4818 SF4802 7048 7048B 7248 7348

A A C A B A A A A A

92 100 102.5 139.5 139.5 160.5 114.5 154 135.5 154.5

4.49 8.34 10 10.1 10.1 11.5 19.5 19.8 49.8 92.2

250

340 349.5

38 46

− −

2.5 3

1 1.5

40 30

169 233

222 325

17,200 23,700

22,600 33,000

SF5005 SF5004

F A

141.5 109.5

9.55 13.6

1 Drawing details are shown in Page B-15. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-24

(approx.)

●Angular Contact Ball Bearings (Single, Duplex)

r1a

ra φda

φDb

Equivalent bearing load dynamic Pr＝XFr＋YFa Contact angle

30˚ 0.80 40˚ 1.14

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

dynamic

Basic load ratings static dynamic static (duplex) KN kgf Cor Cr Cor

Bearing numbers (duplex) DB

Load center mm a DB DF

da min

Abutment and fillet dimensions mm Da ras rlas max

max

141 268 300 305 410 365 550 495 730 665

244 405 465 475 650 585 900 815 1,210 1,110

14,400 27,400 30,500 31,000 41,500 37,500 56,000 50,500 74,500 68,000

24,900 41,000 47,000 48,500 66,000 60,000 92,000 83,000 124,000 113,000

DB DB DB − DB DB DB DB DB DB

DF DF DF DF DF DF DF DF DF DF

154 239 215 243.5 249 265 278 350 340 420

106 163 139 167.5 147 163 162 234 180 260

208.5 212 212 212 212 212 218 218 222 222

241.5 267.5 268 277.5 298 298 342 342 398 398

1.5 2 2 2 2 2 3 3 4 4

1 1.5 1 1.5 1 1 1.5 1.5 2 2

355

570

36,500

58,000

198.5

109.5

217.2

316.2

2.5

1.5

145 305 243 310 310 365 465 385 560 805

261 475 380 490 490 600 780 650 975 1,450

14,800 31,000 24,700 31,500 31,500 37,500 47,500 39,500 57,000 82,000

26,600 48,500 38,500 50,000 50,000 61,000 79,500 66,000 99,000 148,000

DB DB DB DB − − DB DB DB DB

DF DF − − DF DF DF DF DF DF

165.5 226 253 260.5 260.5 235 217.5 291 244 284.5

117.5 150 183 184.5 184.5 143 105.5 179 114 108.5

228.5 232 232 232 232 232 234 234 238 242

261.5 288 288 297.5 297.5 307.5 326 326 382 438

1.5 2 2 2 2 2 2.5 2.5 3 4

1 1 1.5 1 1 1 1 1 1.5 2

251

405

25,600

41,000

−

270.8

191

242

317.5

1.5

164 315 360 320 320 345 455 405 680 840

310 510 605 530 530 575 795 710 1,260 1,590

16,800 32,000 36,500 32,500 32,500 35,000 46,000 41,500 69,000 85,500

31,500 52,000 62,000 54,000 54,000 59,000 81,000 72,500 129,000 162,000

DB DB − DB DB DB DB DB DB DB

DF DF DF DF − DF DF DF DF DF

184 238 204.5 279 279 207.5 229.5 308 271 309

128 162 124.5 199 199 127.5 117.5 196 127 119

250 252 252 252 252 252 254 254 258 262

290 308 317.5 317.5 317.5 328 346 346 422 478

2 2 2 2 2 2 2.5 2.5 3 4

1 1 1 1.5 1.5 1.5 1 1 1.5 2

275 380

445 650

28,000 38,500

45,500 66,000

DB DB

− DF

282.5 219

212.5 127

262 264

328 335.5

2 2.5

1 1.5

B-25

Yo 0.66 0.52

●Angular Contact Ball Bearings (Single, Duplex) B

φD

2B ra

ra φd

φda

φDa

back-to-back arrangement (DB)

face-to-face arrangement (DF)

a single

d 260∼340mm Boundary dimensions

contact angle

dynamic

Basic load ratings static dynamic static single kN kgf Cor Cr Cor

Bearing Drawing1 Load numbers No. center single mm a

Mass single kg

rs min2 rls min2

260

320 28 360 46 369.5 46 369.5 46 369.5 46 369.5 46 379.5 56 400 65 400 65 480 80 540 102

− − − − − − − − − − −

2 2.1 2.5 2.5 2.5 2.5 4 4 4 5 6

1 1.1 1.5 1.5 1.5 1.5 2 1.5 1.5 2 3

30 30 40 40 40 30 40 30 40 30 30

127 258 235 235 235 242 264 315 282 480 590

192 375 340 340 340 350 385 455 410 750 960

12,900 26,300 23,900 23,900 23,900 24,700 26,900 32,000 28,700 48,500 60,000

19,600 38,000 34,500 34,500 34,500 35,500 39,500 46,500 41,500 76,500 98,000

7852 7952 SF5206 SF5225 SF5224 SF5210 SF5218 7052 7052B 7252 7352

A A C B A D A A A A A

97.5 112 155 155 155 114 162.5 128 171 147 166.5

4.83 14 16.1 15.7 15.7 15.7 19.1 28.7 29 66 115

280

350 33 380 46 389.5 46 389.5 46 420 65 420 65 500 80 580 108

− − − − − − − −

2 2.1 2.1 2.5 4 4 5 6

1 1.1 1.1 1.5 1.5 1.5 2 3

30 30 40 30 30 40 30 30

164 261 223 250 390 350 535 670

247 385 325 370 595 540 860 1,140

16,700 26,600 22,700 25,500 40,000 35,500 54,500 68,000

25,200 39,500 33,000 38,000 60,500 55,000 87,500 116,000

7856 7956 SF5606 SF5608 7056 7056B 7256 7356

A A A D A A A A

107.5 118 163.5 119.5 133.5 179.5 152.5 178

7.17 14.8 16 16 30.7 30.9 69.7 140

285

380

−

2.5

206

305

21,000

31,000

SF5702

162.5

14.7

290

419.5

−

2.5

292

455

29,800

46,500

SF5803

179

26.9

300

380 420 460 460 540

38 56 74 74 85

− − − − −

2.1 3 4 4 5

1.1 1.1 1.5 1.5 2

30 30 30 40 30

193 325 440 395 550

290 520 715 645 930

19,700 33,500 45,000 40,500 56,500

29,500 53,000 73,000 66,000 94,500

7860 7960 7060 7060B 7260

A A A A A

117 132 146.5 196.5 164

10.1 23.7 43.4 43.7 87.2

310

429.5

−

297

470

30,500

48,000

SF6203

185.5

26.7

320

400 440 480 580

38 56 74 92

− − − −

2.1 3 4 5

1.1 1.1 1.5 2

30 30 30 30

197 330 450 635

305 540 760 1,120

20,100 34,000 46,000 64,500

31,000 55,000 77,500 114,000

7864 7964 7064 7264

A A A A

123 137.5 152.5 176

10.7 24.7 45.7 109

420

−

2.1

1.1

204

325

20,800

33,500

7868

128.5

11.3

340

1 Drawing details are shown in Page B-15. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-26

(approx.)

●Angular Contact Ball Bearings (Single, Duplex)

r1a

ra φda

φDb

Equivalent bearing load dynamic Pr＝XFr＋YFa Contact angle

30˚ 0.80 40˚ 1.14

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

dynamic

Basic load ratings static dynamic static (duplex) KN kgf Cor Cr Cor

Bearing numbers (duplex) DB

Load center mm a DB DF

da min

Abutment and fillet dimensions mm Da ras rlas max

max

206 420 380 380 380 395 430 510 458 775 960

385 750 680 680 680 695 775 905 820 1,500 1,920

21,000 42,500 39,000 39,000 39,000 40,000 44,000 52,000 46,500 79,000 98,000

39,000 76,500 69,000 69,000 69,000 71,000 79,000 92,500 83,500 153,000 196,000

DB DB − DB DB DB DB DB DB DB DB

DF DF DF − DF DF DF DF DF DF DF

195.5 270 310.5 310.5 310.5 228 324.5 255.5 342 294 333

139.5 178 218.5 218.5 218.5 136 212.5 125.5 212 134 129

270 272 272 272 272 272 278 278 278 282 288

310 348 357.5 357.5 357.5 357.5 361.5 382 382 458 512

2 2 2 2 2 2 3 3 3 4 5

1 1 1.5 1.5 1.5 1.5 2 1.5 1.5 2 2.5

267 425 360 405 635 570 870 1,080

495 775 650 745 1,190 1,080 1,720 2,270

27,200 43,000 37,000 41,500 64,500 58,000 88,500 111,000

50,500 79,000 66,500 76,000 121,000 110,000 175,000 232,000

DB DB DB DB DB DB DB DB

DF DF DF DF DF DF DF DF

215 282 327 239.5 267 359 305 356.5

148 190 235 147.5 137 229 145 140.5

290 292 292 292 298 298 258 308

340 368 377.5 377.5 402 402 478 552

2 2 2 2 3 3 4 5

1 1 1 1.5 1.5 1.5 2 2.5

335

605

34,000

62,000

325

233

297

368

475

910

48,500

93,000

−

357.5

237.5

312

397.5

315 530 715 640 895

580 1,040 1,430 1,290 1,860

32,000 54,000 73,000 65,500 91,500

59,000 106,000 146,000 132,000 189,000

DB DB DB DB DB

DF DF DF DF DF

234.5 320 293.5 393 327.5

158.5 208 145.5 245 157.5

312 314 318 318 322

368 406 442 442 518

2 2.5 3 3 4

1 1 1.5 1.5 2

480

945

49,000

96,000

−

370.5

250.5

328

411.5

320 540 735 1,030

610 1,080 1,520 2,230

32,500 55,000 75,000 105,000

62,000 110,000 155,000 228,000

DB DB DB DB

DF DF DF DF

246 275.5 305 352

170 163.5 152.5 168

332 334 338 342

388 426 462 558

2 2.5 3 4

1 1 1.5 2

330

650

34,000

66,500

257.5

181.5

352

408

B-27

Yo 0.66 0.52

●Angular Contact Ball Bearings (Single, Duplex) B

φD

2B ra

ra φd

φda

φDa

back-to-back arrangement (DB)

face-to-face arrangement (DF)

a single

d 340∼480mm Boundary dimensions

contact angle

dynamic

Basic load ratings static dynamic static single kN kgf Cor Cr Cor

Bearing Drawing1 Load numbers No. center single mm a

Mass single kg

rs min2 rls min2

340

460 479.5 520 620

56 65 82 92

− − − −

3 4 5 5

1.1 2 2 2

30 30 30 30

345 395 520 650

575 680 905 1,200

35,000 40,500 53,000 66,500

59,000 69,500 92,500 122,000

7968 SF6807 7068 7268

A A A A

143.5 151 165 184.5

26.0 36.7 61.1 127

360

440 480 509.5 540 650

38 56 70 82 95

− − − − −

2.1 3 5 5 6

1.1 1.1 2 2 3

30 30 40 30 30

226 350 390 530 670

365 595 685 960 1,280

23,100 35,500 40,000 54,500 68,500

37,000 60,500 69,500 98,000 130,000

7872 7972 SF7203 7072 7272

A A A A A

134.5 149.5 217.5 171 193.5

11.9 27.3 45 63.4 143

380

480 46 519.5 65 520 65 540 164 560 82

− − − − −

2.1 4 4 4 5

1.1 2 1.5 2 2

30 40 30 40 30

281 345 390 440 545

475 610 700 810 1,010

28,700 35,500 40,000 45,000 55,500

48,500 62,500 71,000 83,000 103,000

7876 SF7603 7976 SF7601 7076

A A A A A

147 221.5 162.5 234 176.5

19.5 41.3 39.6 61 66.3

400

500 540 600

46 65 90

− − −

2.1 4 5

1.1 1.5 2

30 30 30

287 395 615

500 720 1,180

29,300 40,000 63,000

51,000 73,500 121,000

7880 7980 7080

A A A

153 168 189.5

20.4 41 86.1

420

520 560 620

46 65 90

− − −

2.1 4 5

1.1 1.5 2

30 30 30

310 410 630

555 765 1,250

31,500 41,500 64,500

56,500 78,000 127,000

7884 7984 7084

A A A

158.5 174 195

21.1 42.8 89.7

440

540 600 650

46 74 94

− − −

2.1 4 6

1.1 1.5 3

30 30 30

310 445 645

565 860 1,310

31,500 45,500 65,500

58,000 87,500 134,000

7888 7988 7088

A A A

164.5 187 204.5

22 59.3 103

460

540 580 620 680

40 56 74 100

− − − −

2.1 3 4 6

1.1 1.1 1.5 3

30 30 30 30

249 380 450 720

455 725 885 1,510

25,400 39,000 46,000 73,500

46,000 74,000 90,000 154,000

SF9211 7892 7992 7092

A A A A

164.5 178 193 214.5

15.8 33.5 61.6 119

470

570

−

2.1

1.1

320

605

32,500

62,000

SF9404

175

480

600 650 700

56 78 100

− − −

3 5 6

1.1 2 3

30 30 30

390 530 715

760 1,090 1,520

40,000 54,000 73,000

77,500 111,000 155,000

7896 7996 7096

A A A

184 202 220.5

1 Drawing details are shown in Page B-15. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-28

(approx.)

25.7 34.9 71.8 123

●Angular Contact Ball Bearings (Single, Duplex)

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa

Contact angle

φda

φDb

30˚ 0.80 40˚ 1.14

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

dynamic

Basic load ratings static dynamic static (duplex) KN kgf Cor Cr Cor

Bearing numbers (duplex) DB

Load center mm a DB DF

da min

Abutment and fillet dimensions mm Da ras rlas max

max

560 645 845 1,060

1,150 1,360 1,810 2,400

57,000 65,500 86,000 108,000

118,000 139,000 185,000 244,000

DB − DB DB

DF DF DF DF

287 301.5 330.5 369

175 171.5 166.5 185

354 358 362 362

446 461.5 498 598

2.5 3 4 4

1 2 2 2

370 565 635 865 1,090

725 1,190 1,370 1,920 2,550

37,500 57,500 64,500 88,000 111,000

74,000 121,000 140,000 196,000 260,000

DB DB DB DB DB

DF DF − DF DF

269 298.5 435 342 386.5

193 186.5 295 178 196.5

372 374 382 382 388

428 466 487.5 518 622

2 2.5 4 4 5

1 1 2 2 2.5

455 565 635 715 865

955 1,220 1,400 1,620 1,920

46,500 57,500 64,500 73,000 88,000

97,500 125,000 142,000 166,000 196,000

DB DB DB − DB

DF − DF DF DF

294.5 442.5 325 468 342

202.5 312.5 195 304 178

392 398 398 398 402

468 501.5 502 522 538

2 3 3 3 4

1 2 1.5 2 2

465 640 1,000

1,000 1,440 2,370

47,500 65,500 102,000

102,000 147,000 241,000

DB DB DB

DF DF DF

306 336.5 379

214 206.5 199

412 418 422

488 522 578

2 3 4

1 1.5 2

505 660 1,030

1,110 1,530 2,500

51,500 67,500 105,000

113,000 156,000 255,000

DB DB DB

DF DF DF

317.5 348 390.5

225.5 218 210.5

432 438 442

508 542 598

2 3 4

1 1.5 2

505 720 1,050

1,130 1,720 2,630

51,500 73,500 107,000

116,000 175,000 268,000

DB DB DB

DF DF DF

329 374.5 409

237 226.5 221

452 458 468

528 582 622

2 3 5

1 1.5 2.5

405 620 730 117

905 1,450 1,770 300

41,500 63,000 74,500 12,000

92,500 148,000 180,000 31,000

DB DB DB DB

− DF DF DF

328.5 356.5 386 429

248.5 244.5 238 229

472 474 478 488

528 566 602 652

2 2.5 3 5

1 1 1.5 2.5

520

1,210

53,000

124,000

−

350

250

482

558

635 860 1,170

1,520 2,180 3,050

64,500 88,000 119,000

155,000 223,000 310,000

DB DB DB

DF DF DF

368 404.5 441

256 248.5 241

494 502 508

586 628 672

2.5 4 5

1 2 2.5

B-29

Yo 0.66 0.52

●Angular Contact Ball Bearings (Single, Duplex) B

φD

2B ra

ra φd

φda

φDa

back-to-back arrangement (DB)

face-to-face arrangement (DF)

a single

d 500∼1,060mm Boundary dimensions

contact angle

dynamic

Basic load ratings static dynamic static single kN kgf Cor Cr Cor

Bearing Drawing1 Load numbers No. center single mm a

Mass single kg

rs min2 rls min2

500

620 670 720

56 78 100

− − −

3 5 6

1.1 2 3

30 30 30

395 540 735

780 1,120 1,590

40,000 55,000 75,000

79,500 115,000 163,000

78/500 79/500 70/500

A A A

189.5 208 226

36.5 74.9 129

560

700 750

100 85

− −

5 5

2.5 2

30 30

670 620

1,450 1,380

68,000 63,500

147,000 141,000

SF10013 A 79/560 A

223 231.5

87.3 105

630

780

−

1.5

500

1,140

51,000

116,000

78/630A

238

72.2

670

820 820

69 69

− −

4 4

1.5 1.5

30 40

475 420

1,080 945

48,000 43,000

110,000 96,500

78/670 78/670B

A A

249.5 347

76.3 76.3

700

900

−

1.5

530

1,290

54,000

131,000

SF14001 A

268

117

1,000 1,420

130

−

7.5

1,440

4,650

147,000

470,000

SF20001 A

414.5

654

1,060 1,280

100

−

880

2,680

895,000

273,000

78/1060

387.5

255

1 Drawing details are shown in Page B-15. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-30

(approx.)

●Angular Contact Ball Bearings (Single, Duplex)

r1a

ra φda

φDb

Equivalent bearing load dynamic Pr＝XFr＋YFa Contact angle

30˚ 0.80 40˚ 1.14

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

dynamic

Basic load ratings static dynamic static (duplex) KN kgf Cor Cr Cor

Bearing numbers (duplex) DB

Load center mm a DB DF

Abutment and fillet dimensions mm Da ras rlas

min

max

640 875 1,190

1,560 2,250 3,200

65,000 89,000 122,000

159,000 229,000 325,000

DB DB DB

DF DF DF

379.5 416 452.5

267.5 260 252.5

514 522 528

606 648 692

2.5 4 5

1 2 2.5

1,080 1,010

2,890 2,760

111,000 103,000

295,000 281,000

DB DB

DF DF

446.5 463.5

246.5 293.5

522 582

678 728

4 4

2 2

815

2,270

83,000

232,000

476

338

648

762

1.5

770 680

2,150 1,890

78,500 69,500

219,000 193,000

DB DB

DF DF

499 694

361 556

688 688

802 802

3 3

1.5 1.5

860

2,580

88,000

263,000

536

388

718

882

1.5

2,340

9,250

238,000

945,000

828.5

568.5

1,036

1,384

1,430

5,350

146,000

545,000

775.5

575.5

1,088

1,252

2.5

B-31

Yo 0.66 0.52

●Double Row Angular Contact Ball Bearings C

C1 r1

r φd

φD

r φd

φD

φd

φD

d 100∼190mm Boundary dimensions

Contact angle dynamic

mm d

BorBl

CorCl

Basic load ratings static dynamic kgf

static

rs min2

rls min2

Cor

Bearing Drawing1 numbers No.

100

170

60.3

2.5

160

179

16,300

18,200

DE2010

110

169.5

2.5

−

149

186

15,200

18,900

DE2208

120

190 190

66 66

2.5 2.5

1 1

30 30

187 187

236 236

19,000 19,000

24,100 24,100

DE2405 DE2409

F D

130

200

2.5

−

191

251

19,400

25,600

DE2601

140

210 210 210

66 66 66

2 1 2.5

− − −

40 40 30

203 179 194

266 248 265

20,700 18,300 19,800

27,100 25,300 27,000

DE2812 DE2806 DE2807

A B B

150

225 225 225 230 230

70 70 73 70 70

2.5 2.5 2.5 2.5 2

− − − 1.5 2

30 30 30 30 40

222 222 216 222 198

305 305 293 305 275

22,700 22,700 22,000 22,700 20,200

31,500 31,500 29,900 31,500 28,100

DE3010 DE3011 DE3009 DE3007 DE3019

A B A F D

160

215 240

56 76

50 76

2 2.5

1.1 −

40 30

123 252

186 355

12,500 25,700

18,900 36,000

DE3207 DE3201

C A

170

260

2.5

−

300

430

31,000

43,500

DE3402

175

280 280

92 92

2.5 2.5

− −

40 40

320 320

480 480

32,500 32,500

49,000 49,000

DE3502 DE3501

A A

180

250 250 259.5 259.5 259.5 259.5 259.5 259.5 280

66 70 66 66 66 66 66 66 92

2.5 2.5 2.5 2.5 2.5 2 2.5 2.5 2.5

− 1 1 1 − − − 2.5 −

40 40 30 30 40 40 30 30 30

185 190 212 212 224 224 251 212 345

275 285 325 325 330 330 380 325 505

18,900 19,300 21,600 21,600 22,800 22,800 25,600 21,600 35,000

28,000 29,100 33,000 33,000 34,000 34,000 38,500 33,000 51,500

DE3606 DE3609 DE3610 DE3601 DE3608 DE3615 DE3603 DE3612 DE3605

A F D F B A A D A

190

269.5 269.5

66 66

2.5 2.5

1 1

30 30

215 215

335 335

21,900 21,900

34,500 34,500

DE3807 DE3801

D F

1 Drawing details are shown in Page B-16. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-32

●Double Row Angular Contact Ball Bearings

r1a

φda

φDa

Equivalent bearing load dynamic Pr＝XFr＋YFa Contact angle

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

30˚ 0.80 40˚ 1.14

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

Abutment and fillet dimensions mm Da ras rlas

min

Load center mm

Mass

(approx.)

max

158

112

157.5

112

−

184.5 184.5

132 132

2 2

1 1

122 122

7.09 7.09

188

142

−

7.54

198 204.5 198

150 152 152

2 2 2

− − −

90 90 67

8 7.76 7.72

213 213 213 221.5 221.5

162 162 162 162 158.5

2 2 2 2 2

− − − 1.5 2

71.5 71.5 72.5 143 194

9.74 9.74 9.69 9.74 9.74

208 228

170 172

2 2

1 −

182 76.5

5.71 12

248

182

−

111

16.1

268 268

187 187

2 2

− −

119 88.5

21.7 21.7

238 244.5 254 254 247.5 249.5 247.5 247.5 268

192 192 192 192 192 190 192 192 192

2 2 2 2 2 2 2 2 2

− 1 1 1 − − − 2 −

106 215 160 160 109 109 80 160 89.5

9.83 10.4 10.4 10.4 10.7 10.7 10.7 10.4 20.9

264 264

202 202

2 2

1 1

166 166

11.9 11.9

143 54.5

5.64 4.61

B-33

Yo 0.66 0.52

●Double Row Angular Contact Ball Bearings C

C1 r1

r φd

φD

r φd

φD

φd

φD

d 200∼360mm Boundary dimensions

Contact angle dynamic

BorBl

CorCl

rs min2

200

279.5 279.5 289.5 289.5 289.5 289.5 289.5 310

76 76 76 76 76 76 76 102

220

309.5 309.5 309.5 319.5 319.5

76 76 76 92 92

230

329.5 329.5 329.5

240

359.5

250

Basic load ratings static dynamic kgf

static

Bearing Drawing1 numbers No.

rls min2

Cor

2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5

1.5 − 1.5 2.1 1.5 1.5 1.5 −

30 30 40 30 30 30 30 30

253 253 260 269 269 269 269 410

405 405 385 420 420 420 420 650

25,800 25,800 26,500 27,500 27,500 27,500 27,500 41,500

41,500 41,500 39,500 42,500 42,500 42,500 42,500 66,000

DE4004 DE4008 DE4010 DE4019 DE4009 DE4002 DE4012 DE4007

F B G D F F D A

76 76 76 92 92

2.5 2.5 2.1 2.5 2.5

− − 1.1 − −

30 30 30 30 40

325 325 325 375 335

520 520 520 625 550

33,000 33,000 33,000 38,500 34,500

53,000 53,000 53,000 63,500 56,000

DE4403 DE4404 DE4408 DE4409 DE4406

A A D A A

80 80 80

2.5 2.5 2.5

1.5 1.5 1.5

30 30 30

350 350 350

585 585 585

36,000 36,000 36,000

59,500 59,500 59,500

DE4602 DE4603 DE4605

F D E

112

1.5

440

770

45,000

78,500

DE4803

340

272

480

27,800

49,000

DE5004

260

369.5 369.5 369.5

92 92 92

2.5 2.5 2.5

− − 2.5

40 30 30

380 430 395

680 775 695

39,000 43,500 40,000

69,000 79,000 71,000

DE5213 DE5211 DE5212

A A F

280

389.5

2.1

1.1

405

745

41,500

76,000

DE5605

300

429.5

112

−

530

1,040

54,000

106,000

DE6001

360

540

164

−

725

1,630

74,000

166,000

DE7201

1 Drawing details are shown in Page B-16. 2 Smallest allowable dimension for chamfer dimension r or r1.

B-34

●Double Row Angular Contact Ball Bearings

r1a

φda

φDa

Equivalent bearing load dynamic Pr＝XFr＋YFa Contact angle

φda

φDa

Single DB, DF Fa / Fr≦e Fa / Fr＞e Fa / Fr≦e Fa / Fr＞e X Y X Y X Y X Y

30˚ 0.80 40˚ 1.14

1 1

0 0

0.39 0.76 0.35 0.57

1 1

0.78 0.63 1.24 0.55 0.57 0.93

static Por＝Xo Fr＋Yo Fa Contact angle

30˚ 40˚

0.5 0.5

0.33 0.26

1 1

Single

DB, DF

For single, When Por＜Fr use Por＝Fr

Abutment and fillet dimensions mm Da ras rlas

min

max

Load center mm

Mass

(approx.)

271 267.5 281 277.5 281 281 281 298

212 212 212 212 212 212 212 212

2 2 2 2 2 2 2 2

1.5 − 1.5 2 1.5 1.5 1.5 −

177 88.5 244 179 180 179 179 99

14.3 14.3 16.5 16.4 16.4 16.4 16.4 28.3

297.5 297.5 302.5 307.5 307.5

232 232 232 232 232

2 2 2 2 2

− − 1 − −

95.5 95.5 191 101 136

17.8 17.8 17.8 24.4 24.4

321 321 321

242 242 242

2 2 2

1.5 1.5 1.5

202 202 202

22 22 22

351

254

2.5

1.5

308

39.7

328

262

208

18.4

357.5 357.5 357.5

272 272 272

2 2 2

− − 2

155 114 228

31.3 31.3 30.9

382.5

292

239

33.4

417.5

312

2.5

−

132

52.4

518

382

−

171

131

B-35

Yo 0.66 0.52

Cylindrical Roller Bearings

●Cylindrical Roller Bearings 1. Structure and Characteristics Since the rollers of the cylindrical roller bearings make line contact with the raceways, these bearings can support heavy radial loads and are suitable for high speed operation. Assembly and disassembly are comparatively easy even if the inner or outer ring requires a shrink fit, as the bearing is a separation type.

Cylindrical roller bearings are classified as single row, double row and four row type, according to how many rollers are used, and there are models as shown in Table 1 to 3. Although designed as a thin wall type, the SL Model double row cylindrical roller bearing can support enormous radial and impact loads. Table 4 lists the configurations available.

Table 1 Model and characteristics of the single row cylindrical roller bearings Model code

Model NU

Drawing

Model NU

Model N

Characteristics

¡Model NU has ribs on the outer ring and the inner ring can be separated from "the arranged set of outer ring, rollers and cage". Model N has ribs on the inner ring and the outer ring can be separated from "the arranged set of inner ring, rollers and cage". ¡This bearing cannot support axial loads. ¡The most suitable model widely used as the free end bearing.

Model N

Model NJ

Model NF

¡Model NJ has ribs on the outer ring and a rib on the inner ring. Model NF has a rib on the outer ring and ribs on the inner ring. ¡These bearings support axial loads in one direction only. ¡There may be a case to use two bearings adjacent when they are used regardless of the fixed end or free end.

Model NF

Model NUP Model NUP

Model NH (NJ+HJ)

¡Model NUP has a rib ring added on the side of the inner ring where it did not have a rib. Model NJ with the added ring rib of Model L is Model NH. The inner ring should be fixed along the axial direction since each ring rib will be separated. ¡These bearings support axial loads in either direction. ¡There may be a case to use as the fixed end bearing.

Model NH

Note: Model E provides higher load capacity designed with increased diameter,length and numbers of rollers but the boundary dimensions are same as the standard type bearings.

Table 2 Model and characteristics of the double row cylindrical roller bearings Model code

Drawing

Model NNU

Cylindrical hole Tapered hole

Model NNU

Model NN

Characteristics

¡These bearings are used in the main shaft of machine tools, rolling mill rolls and printing machine plate cylinders where thin walled bearings are needed. ¡To use the bearing in the main shaft of machine tools, adjust the radial internal clearance by inserting a tapered inner ring to the tapered shaft.

Model NN Cylindrical hole Tapered hole

B-37

●Cylindrical Roller Bearings

Table 3 Models and characters of four row cylindrical roller bearings Drawing

Refer to the drawings. Drawing numbers are listed in the dimensions table.

Characteristics ¡ The bearing is mainly used for the roll neck of a rolling mill, and is designed so as to handle the maximum rating load for the allowable space in the roll neck part. Carbonized steel may be used to provide better resistance to cracking or impact to the inner ring. ¡ Consult NTN Engineering about the fitting and bearing internal clearance when the bearing is used for the preparing roll of a rolling mill. ¡ NTN provides bearings with special configurations: with tapered shaft holes; for high speed use; designed to prevent creeping; and, with dust and waterproof seals.

Remarks Drawings from A to E show the long cylindrical rollers and the machined cage. Drawings from F to G show the hollow rollers and the pin type cage. Suffix to the drawing number M: Bearings which outer ring lubrication port is equipped with a fitting nozzle for oil mist. R: Inner ring has a helical groove on its inner surface. S: Special specifications. E

Note 1) The bearing has lubricant grooves on both sides of the inner rings. 2) The bearing has lubricant grooves on one of the inner rings. 3) The bearing has lubricant grooves on one of the outer rings. 4) No lubricant groove and hole is designed on the outer ring spacer.

Drawings Table 4 Model and Characteristics of the Model SL cylindrical roller bearings

Open type

Model

Model SL01

Enclosed type

Model SL02

Model SL04

Characteristics

¡Fixed end is Model SL01, free end is Model SL02. ¡Since the outer ring is split in the circumference direction using a special method and fixed as a unit after mounting rollers, the bearing side face should be securely fixed using the shaft or housing shoulder in the axial direction. ¡Outer ring has an oil groove and port. ¡Model SL01 can support axial loads from both directions via rollers. ¡Shoulder dimensions of shaft and bearings generally applies Da and da dimensions in the dimensions table, but J and K dimensions are used when the moment or large axial loads are applied. ¡Model SL04 only with the fixed side. ¡Since the inner ring is split in the circumference direction using a special method and fixed as a unit after mounting rollers, the bearing side face should be securely fixed by using the shaft or housing shoulder in the axial direction. ¡Inner ring has an oil groove and port. ¡Model SL04 can support radial and axial loads in either directions. ¡A sealed bearing prelubricated with grease, the outer ring is fitted with a locating snap ring, making it easy to handle and appropriate for sheaves and other applications. ¡Surface coating is added for rust prevention.

Note: We also provide 3-row, 4-row and 5-row bearings for the Model SL cylindrical roller bearing. Consult NTN Engineering for further details.

B-38

●Cylindrical Roller Bearings

2. Dimensional Accuracy/Rotation Accuracy

6. Radial internal clearance of the Model SL cylindrical roller bearings.

Refer to Table 3.3 (Page A-12,13)

Table 6 lists the radial internal clearance values of the Model SL cylindrical roller bearings.

3. Recommended Fitting Refer to Table 4.2 (Page A-24)

7. Recommended fit of the Model SL cylindrical roller bearings, and selection of the radial internal clearance.

4. Bearing Internal Clearance Refer to Table 5.5 and 5.6 (Page A-31, 32, 33)

Table 7 lists the recommended fit for outer ring rotation such as sheaves and wheels, Table 8 lists the relation between the fitting and the radial internal clearance. For assembling and disassembling the bearing, it is necessary to evenly load around the circumference of the raceway end on the fitting side.

5. Permissible slant angle It varies according to the bearing type and internal specifications, the values in the table below are widely used to avoid edge loads under general load conditions. When the width series is 0 or 1 ⋯⋯0.001 rad (3.5') When the width series is 2 ⋯⋯⋯⋯0.0005 rad (1.5') Double row cylindrical roller bearing 1 ⋯0.0005 rad (1.5')

8. General Operating Cautions Slippage between the rollers and raceways may occur when bearings are operated under small loads (about Fr ≦ 0.04Cor) and may cause smearing. This is most apparent when using large size cylindrical roller bearings due to the large cage mass. Please consult NTN Engineering for further details.

1 This is no applied to high accuracy bearings which are used as the main shaft of machine tools.

Table 5 Tolerance of inscribed circle diameter Fw of rollers and circumscribed circle diameter Ew of rollers for compatible bearings. Unit μm d

∆ Fw

over

Incl

high

50 120 200 250 315 400 500 630 800 1,000 1,250

120 200 250 315 400 500 630 800 1,000 1,250 1,400

+ 20 + 25 + 30 + 35 + 40 + 45 + 70 + 80 + 90 +105 +125

∆ Ew low

low

high

0 0 0 0 0 0 0 0 0 0 0

- 20 - 25 - 30 - 35 - 40 - 45 - 70 - 80 - 90 -105 -125

Table 7 Recommended fit Tolerance range class of shaft

Conditions Heavy load with a thin walled housing. Outer ring Normal load, heavy rotating load load Light load, changing load

Tolerance range class of housing P7 3

g6 or h6

N7 M7

3 Be sure to use N7 for sheaves.

∆Fw：Dimensional difference of inscribed circle diameter of rollers. ∆Ew：Dimensional difference of circumscribed circle diameter of rollers.2 2 Regulation range of JIS is d ≦ 500mm for ∆Fw, and d ≦ 400mm for ∆Ew.

Table 8 Relation between fit and radial internal clearance. Table 6 Radial internal clearance of Model SL cylindrical roller bearing.

Housing fit

Unit μm

CN (Normal)

min max

h6 j5 j6

over

Incl

30 50 80 120 180 250 315

50 80 120 180 250 315 400

20 30 35 60 90 110 140

75 90 105 150 190 225 265

40 55 80 110 155 195 245

95 115 150 200 255 310 370

55 75 105 150 205 255 320

110 135 175 240 305 370 445

400

500

180

320

300

440

395

535

Shaft fit

Nominal bore diameter d mm

G7 H6 J6 J7 K6 K7 g6 M6 M7 N6 N7 P6 P7

k5 k6 m5 m6 n5 n6 p6

CN(Normal)

C3 C4

Note: When the shaft fit is g6, housing fit is N7(N6) and used at low speed (for sheaves), apply CN(normal) clearance.

B-39

●Single Row Cylindrical Roller Bearings

B r

r r

φd φFW

φD

Type NU

Type NJ

Type NUP

Type N

Type NF

d 100∼120mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

Cor

type NU

rs min1

rls min1

100

140 150 180 180 180 180 215 215 215 215

20 24 34 34 46 46 47 47 73 73

1.1 1.5 2.1 2.1 2.1 2.1 3 3 3 3

105

160 190 190 225

26 36 65.1 49

110

150 170 200 200 200 200 200 240 240 240 240 240

120

165 165 180 215 215 215 215 215 260 260

kgf

Dimensions mm

Cor

1 1.1 2.1 2.1 2.1 2.1 3 3 3 3

70.0 93.0 183 249 258 335 299 380 410 570

98.0 126 217 305 340 445 335 425 505 715

7,100 9,500 18,600 25,400 26,300 34,000 30,500 38,500 42,000 58,000

10,000 12,800 22,200 31,000 34,500 45,500 34,500 43,500 51,500 73,000

NU1920 NU1020 NU220 NU220E NU2220 NU2220E NU320 NU320E NU2320 NU2320E

110 113 120 119 120 119 129.5 127.5 129.5 127.5

2 2.1 2.1 3

1.1 2.1 2.1 3

105 201 360 320

142 241 505 360

10,700 20,500 36,500 32,500

14,500 24,600 51,500 36,500

NU1021 NU221 NU3221 NU321

119.5 126.8 126.8 135

20 28 38 38 53 53 69.8 50 50 80 80 92.1

1.1 2 2.1 2.1 2.1 2.1 2.1 3 3 3 3 3

1 1.1 2.1 2.1 2.1 2.1 2.1 3 3 3 3 3

72.5 131 240 293 320 385 425 360 450 605 675 715

106 174 290 365 415 515 605 400 525 790 880 985

7,400 13,400 24,500 29,800 32,500 39,000 43,500 36,500 46,000 61,500 69,000 73,000

10,800 17,700 29,500 37,000 42,000 52,500 62,000 41,000 53,500 80,500 89,500 100,000

NU1922 NU1022 NU222 NU222E NU2222 NU2222E NU3222 NU322 NU322E NU2322 NU2322E NU3322A

120 125 132.5 132.5 132.5 132.5 132.5 143 143 143 143 143

22 27 28 40 40 58 58 76 55 55

1.1 1.1 2 2.1 2.1 2.1 2.1 2.1 3 3

1 1 1.1 2.1 2.1 2.1 2.1 2.1 3 3

89.5 116 139 260 335 350 450 540 450 530

134 188 191 320 420 460 620 815 510 610

9,150 11,900 14,100 26,500 34,000 35,500 46,000 55,000 46,000 54,000

13,700 19,100 19,500 32,500 43,000 47,000 63,000 83,000 52,000 62,000

NU1924 NU2924 NU1024 NU224 NU224E NU2224 NU2224E NU3224 NU324 NU324E

132 132 135 143.5 143.5 143.5 143.5 143.5 154 154

1 Minimal allowable dimension for chamfer dimension r or r1.

B-40

●Single Row Cylindrical Roller Bearings

r1a

ra φda φDa

φda φDa

Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type N

Type NU

Abutment and fillet dimensions

Mass

mm da

ras

rlas

kg type NU

min

max

(approx.)

105 106.5 111 111 111 111 113 113 113 113

133.5 142 169 169 169 169 202 202 202 202

1 1.5 2 2 2 2 2.5 2.5 2.5 2.5

1 1 2 2 2 2 2.5 2.5 2.5 2.5

1.01 1.45 3.33 3.66 4.57 5.01 7.49 8.57 11.7 12.8

111.5 116 116 118

151 179 179 212

2 2 2 2.5

1 2 2 2.5

1.84 3.95 8.25 8.53

115 116.5 121 121 121 121 121 123 123 123 123 123

143.5 161 189 189 189 189 189 227 227 227 227 227

1 2 2 2 2 2 2 2.5 2.5 2.5 2.5 2.5

1 1 2 2 2 2 2 2.5 2.5 2.5 2.5 2.5

1.09 2.33 4.63 4.27 6.56 7.4 9.85 10 11.1 17.1 19.4 20.2

125 125 126.5 131 131 131 131 131 133 133

158.5 158.5 171 204 204 204 204 204 247 247

1 1 2 2 2 2 2 2 2.5 2.5

1 1 1 2 2 2 2 2 2.5 2.5

1.48 1.81 2.44 5.57 5.97 8.19 9.18 12.2 12.8 13.9 B-41

●Single Row Cylindrical Roller Bearings

B r

r r

φd φFW

φD

Type NU

Type NJ

Type NUP

Type N

Type NF

d 120∼150mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

Dimensions mm

Cor

type NU

710 795 845

920 1,030 1,150

72,500 81,000 86,000

93,500 105,000 117,000

NU2324 NU2324E NU3324

154 154 154

1.1 1.1 1.1 3 3 3 3 3 4 4 4 4 4

106 149 172 270 365 380 530 600 560 615 840 920 975

161 248 238 340 455 530 735 955 665 735 1,130 1,230 1,360

10,800 15,200 17,500 27,600 37,000 38,500 54,000 61,000 57,000 63,000 85,500 94,000 99,500

16,400 25,300 24,200 35,000 46,000 54,000 75,000 97,500 68,000 75,000 115,000 126,000 139,000

NU1926 NU2926 NU1026 NU226 NU226E NU2226 NU2226E NU3226 NU326 NU326E NU2326 NU2326E NU3326

143 143 148 156 153.5 156 153.5 156 167 167 167 167 167

1.5 2 2 3 3 3 3 3 4 4 4 4

1.1 1.1 2 3 3 3 3 3 4 4 4 4

151 176 350 310 395 445 575 695 615 665 920 1,020

258 250 585 400 515 635 835 1,120 745 795 1,250 1,380

15,400 17,900 36,000 31,500 40,000 45,500 58,500 70,500 63,000 67,500 94,000 104,000

26,300 25,500 60,000 40,500 52,500 64,500 85,000 114,000 76,000 81,500 127,000 141,000

NU2928 NU1028 NU3028 NU228 NU228E NU2228 NU2228E NU3228 NU328 NU328E NU2328 NU2328E

153 158 158 169 169 169 169 169 180 180 180 180

2 2 2.1 3 3 3 3 3

1.1 1.1 1.5 3 3 3 3 3

147 204 202 345 450 500 660 800

219 335 294 435 595 710 980 1,300

15,000 20,800 20,600 35,000 45,500 51,000 67,500 81,500

22,300 34,000 29,900 44,500 60,500 72,500 100,000 132,000

NU1930 NU2930 NU1030 NU230 NU230E NU2230 NU2230E NU3230

165 165 169.5 182 182 182 182 182

rs min1

rls min1

120

260 260 260

86 86 106

3 3 3

130

180 180 200 230 230 230 230 230 280 280 280 280 280

24 30 33 40 40 64 64 80 58 58 93 93 112

1.5 1.5 2 3 3 3 3 3 4 4 4 4 4

140

190 210 210 250 250 250 250 250 300 300 300 300

30 33 53 42 42 68 68 88 62 62 102 102

150

210 210 225 270 270 270 270 270

28 36 35 45 45 73 73 96

1 Minimal allowable dimension for chamfer dimension r or r1.

B-42

●Single Row Cylindrical Roller Bearings

r1a

ra φda φDa

φda φDa

Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type N

Type NU

Abutment and fillet dimensions

Mass

mm da

ras

rlas

kg type NU

min

max

(approx.)

133 133 133

247 247 247

2.5 2.5 2.5

21.5 26.1 27.1

136.5 136.5 136.5 143 143 143 143 143 146 146 146 146 146

172 172 191 217 217 217 217 217 264 264 264 264 264

1.5 1.5 2 2.5 2.5 2.5 2.5 2.5 3 3 3 3 3

1 1 1 2.5 2.5 2.5 2.5 2.5 3 3 3 3 3

1.95 2.44 3.69 6.3 6.9 10.2 11.8 14.6 17.4 19.4 26.9 30.9 33.1

146.5 146.5 149 153 153 153 153 153 156 156 156 156

182 201 201 237 237 237 237 237 284 284 284 284

1.5 2 2 2.5 2.5 2.5 2.5 2.5 3 3 3 3

1 1 2 2.5 2.5 2.5 2.5 2.5 3 3 3 3

2.59 4.05 6.8 7.88 8.73 12.9 15.8 19.1 21.2 23.2 33.8 38.7

156.5 156.5 158 163 163 163 163 163

201 201 214 257 257 257 257 257

2 2 2 2.5 2.5 2.5 2.5 2.5

1 1 1.5 2.5 2.5 2.5 2.5 2.5

3.17 4.08 4.77 9.92 11 16.3 19.7 24.5 B-43

●Single Row Cylindrical Roller Bearings

B r

r r

φd φFW

φD

Type NU

Type NJ

Type NUP

Type N

Type NF

d 150∼180mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

Dimensions mm

Cor

type NU

4 4 4 4

665 760 1,020 1,160

805 920 1,400 1,600

67,500 77,500 104,000 118,000

82,500 94,000 143,000 163,000

NU330 NU330E NU2330 NU2330E

193 193 193 193

2 2 2.1 2.1 3 3 3 3 4 4 4 4

1.1 1.1 1.5 2.1 3 3 3 3 4 4 4 4

154 213 238 400 430 500 630 810 700 860 1,070 1,310

236 360 340 565 570 665 940 1,190 875 1,050 1,520 1,820

15,700 21,700 24,200 40,500 43,500 51,000 64,500 82,500 71,000 87,500 109,000 134,000

24,100 36,500 35,000 57,500 58,000 68,000 96,000 121,000 89,500 107,000 155,000 186,000

NU1932 NU2932 NU1032 NU3132 NU232 NU232E NU2232 NU2232E NU332 NU332E NU2332 NU2332E

175 175 180 189 195 195 195 193 208 204 208 204

28 36 42 52 52 86 86 110 72 120

2 2 2.1 4 4 4 4 4 4 4

1.1 1.1 2.1 4 4 4 4 4 4 4

160 222 278 475 605 715 965 1,020 795 1,220

254 385 400 635 800 1,080 1,410 1,690 1,010 1,750

16,300 22,600 28,300 48,500 61,500 73,000 98,500 104,000 81,500 125,000

25,900 39,500 41,000 65,000 81,500 110,000 144,000 172,000 103,000 179,000

NU1934 NU2934 NU1034 NU234 NU234E NU2234 NU2234E NU3234 NU334 NU2334

185 185 193 208 207 208 205 208 220 220

33 42 46 74 52 52 86 86 112 75

2 2 2.1 2.1 4 4 4 4 4 4

1.1 1.1 2.1 2.1 4 4 4 4 4 4

215 293 340 610 495 625 745 1,010 1,010 905

335 495 485 1,030 675 850 1,140 1,510 1,700 1,150

21,900 29,900 35,000 62,000 50,500 64,000 76,000 103,000 103,000 92,000

34,000 50,500 49,500 105,000 69,000 87,000 117,000 154,000 174,000 118,000

NU1936 NU2936 NU1036 NU3036 NU236 NU236E NU2236 NU2236E NU3236 NU336

197 197 205 205 218 217 218 215 218 232

rs min1

150

320 320 320 320

65 65 108 108

4 4 4 4

160

220 220 240 270 290 290 290 290 340 340 340 340

28 36 38 86 48 48 80 80 68 68 114 114

170

230 230 260 310 310 310 310 310 360 360

180

250 250 280 280 320 320 320 320 320 380

rls min1

1 Minimal allowable dimension for chamfer dimension r or r1.

B-44

●Single Row Cylindrical Roller Bearings

r1a

ra φda φDa

φda φDa

Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type N

Type NU

Abutment and fillet dimensions

Mass

mm da

ras

rlas

kg type NU

min

max

(approx.)

166 166 166 166

304 304 304 304

3 3 3 3

25.3 28.4 40.6 47.2

166.5 166.5 168 171 173 173 173 173 176 176 176 176

211 211 229 259 277 277 277 277 324 324 324 324

2 2 2 2 2.5 2.5 2.5 2.5 3 3 3 3

1 1 1.5 2 2.5 2.5 2.5 2.5 3 3 3 3

3.35 4.3 5.9 20.6 13.7 15.6 22 25.1 31.3 34 50.5 56

176.5 176.5 181 186 186 186 186 186 186 186

221 221 249 294 294 294 294 294 344 344

2 2 2 3 3 3 3 3 3 3

1 1 2 3 3 3 3 3 3 3

3.52 4.53 7.88 17 19.6 27.2 31 37.4 37 59.5

186.5 186.5 191 191 196 196 196 196 196 196

241 241 269 269 304 304 304 304 304 364

2 2 2 2 3 3 3 3 3 3

1 1 2 2 3 3 3 3 3 3

5.21 6.63 10.3 17.8 17.7 20.4 28.4 31.9 39.6 44.2 B-45

●Single Row Cylindrical Roller Bearings

B r

r r

φd φFW

φD

Type NU

Type NJ

Type NUP

Type N

Type NF

d 180∼240mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

Dimensions mm

Cor

type NU

4 4

1,380 1,600

1,990 2,410

141,000 163,000

203,000 246,000

NU2336 NU3336

232 232

2 2.1 4 4 4 4 4 5 5 5

1.1 2.1 4 4 4 4 4 5 5 5

299 350 555 695 830 1,100 1,240 975 1,520 1,550

515 510 770 955 1,290 1,670 2,160 1,260 2,220 2,280

30,500 36,000 56,500 71,000 84,500 113,000 126,000 99,500 155,000 158,000

52,500 52,000 78,500 97,500 131,000 170,000 220,000 129,000 226,000 233,000

NU2938 NU1038 NU238 NU238E NU2238 NU2238E NU3238 NU338 NU2338 NU3338

207 215 231 230 231 228 231 245 245 245

38 48 51 82 112 58 58 98 98 128 80 138 165

2.1 2.1 2.1 2.1 3 4 4 4 4 4 5 5 5

2.1 1.5 2.1 2.1 3 4 4 4 4 4 5 5 5

259 365 390 735 1,130 620 765 925 1,220 1,260 975 1,510 1,870

405 630 580 1,240 1,820 865 1,060 1,440 1,870 2,150 1,270 2,240 2,930

26,400 37,000 40,000 75,000 115,000 63,500 78,000 94,000 125,000 128,000 99,500 154,000 190,000

41,500 64,500 59,500 127,000 186,000 88,500 108,000 147,000 191,000 219,000 130,000 229,000 299,000

NU1940 NU2940 NU1040 NU3040 NU3140A NU240 NU240E NU2240 NU2240E NU3240 NU340 NU2340 NU3340

220 220 229 227 235 244 243 244 241 244 260 260 260

220

300 340 340 370 400 400 400 460 460

48 56 90 120 65 108 144 88 145

2.1 3 3 4 4 4 4 5 5

1.5 3 3 4 4 4 4 5 5

390 500 860 1,180 760 1,140 1,540 1,190 1,780

705 750 1,490 2,090 1,080 1,810 2,680 1,570 2,620

39,500 51,000 87,500 120,000 77,500 116,000 157,000 122,000 181,000

72,000 76,500 152,000 213,000 110,000 184,000 273,000 161,000 268,000

NU2944 NU1044 NU3044 NU3144 NU244 NU2244 NU3244 NU344 NU2344

240 250 250 262 270 270 270 284 284

240

320

2.1

1.5

400

755

41,000

77,000

NU2948

260

rs min1

180

380 380

126 150

4 4

190

260 290 340 340 340 340 340 400 400 400

42 46 55 55 92 92 120 78 132 155

200

280 280 310 310 340 360 360 360 360 360 420 420 420

rls min1

1 Minimal allowable dimension for chamfer dimension r or r1.

B-46

●Single Row Cylindrical Roller Bearings

r1a

ra φda φDa

φda φDa

Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type N

Type NU

Abutment and fillet dimensions

Mass

mm da

ras

rlas

kg type NU

min

max

(approx.)

196 196

364 364

3 3

69.5 88

196.5 201 206 206 206 206 206 210 210 210

251 279 324 324 324 324 324 380 380 380

2 2 3 3 3 3 3 4 4 4

1 2 3 3 3 3 3 4 4 4

6.93 10.7 21.3 24.2 34.4 39.5 48.2 49.4 80.5 101

211 208 211 211 213 216 216 216 216 216 220 220 220

269 269 299 299 327 344 344 344 344 344 400 400 400

2 2 2 2 2.5 3 3 3 3 3 4 4 4

2 1.5 2 2 2.5 3 3 3 3 3 4 4 4

7.65 9.66 13.9 24.1 42.8 25.3 28.1 41.3 47.8 58 55.8 92.6 118

231 233 233 236 236 236 236 240 240

289 327 327 354 384 384 384 440 440

2 2.5 2.5 3 3 3 3 4 4

1.5 2.5 2.5 3 3 3 3 4 4

10.5 18.2 31.7 55.7 37.7 59 84.2 73.4 116

248

309

1.5

11.3 B-47

●Single Row Cylindrical Roller Bearings

B r

r r

φd φFW

φD

Type NU

Type NJ

Type NUP

Type N

Type NF

d 240∼320mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

Dimensions mm

Cor

type NU

3 3 4 4 5 5

530 940 935 1,440 1,430 2,100

820 1,710 1,340 2,320 1,950 3,200

54,000 95,500 95,500 146,000 146,000 214,000

83,500 174,000 136,000 236,000 198,000 325,000

NU1048 NU3048 NU248 NU2248 NU348 NU2348

270 270 295 295 310 310

2.1 2.1 4 4 4 5 5 6 6 6

400 545 645 1,150 1,810 1,150 1,780 1,620 2,340 2,930

665 985 1,000 2,020 3,150 1,660 2,930 2,230 3,600 4,800

41,000 55,500 65,500 117,000 185,000 117,000 182,000 165,000 239,000 299,000

67,500 100,000 102,000 206,000 320,000 170,000 299,000 228,000 365,000 490,000

NU1952 NU2952 NU1052 NU3052 NU3152 NU252 NU2252 NU352 NU2352 NU3352

285 285 296 294 305 320 320 336 336 336

46 60 65 106 80 130 108 175

2.1 2.1 4 4 5 5 6 6

415 565 660 1,240 1,190 1,840 1,820 2,700

710 1,060 1,050 2,260 1,760 3,100 2,540 4,250

42,500 58,000 67,000 126,000 121,000 188,000 185,000 275,000

72,500 108,000 107,000 230,000 180,000 315,000 259,000 430,000

NU1956 NU2956 NU1056 NU3056 NU256 NU2256 NU356 NU2356

305 305 316 314 340 340 362 362

300

380 420 420 460 460 540 540 620

60 56 72 74 118 85 140 185

2.1 3 3 4 4 5 5 7.5

505 560 780 855 1,610 1,400 2,180 3,250

1,230 935 1,440 1,340 3,000 2,070 3,650 5,150

51,500 57,000 79,500 87,000 164,000 143,000 223,000 330,000

125,000 95,500 147,000 137,000 305,000 211,000 370,000 525,000

NU3860 NU1960 NU2960 NU1060 NU3060 NU260 NU2260 NU2360

324 330 330 340 340 364 364 385

320

400 440 480

60 56 74

2.1 3 4

525 580 875

1,310 1,010 1,410

53,500 59,500 89,500

134,000 103,000 143,000

NU3864 NU1964 NU1064

344 350 360

rs min1

240

360 360 440 440 500 500

56 92 72 120 95 155

3 3 4 4 5 5

260

360 360 400 400 440 480 480 540 540 540

46 60 65 104 144 80 130 102 165 206

280

380 380 420 420 500 500 580 580

rls min1

1 Minimal allowable dimension for chamfer dimension r or r1.

B-48

●Single Row Cylindrical Roller Bearings

r1a

ra φda φDa

φda φDa

Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type N

Type NU

Abutment and fillet dimensions

Mass

mm da

ras

rlas

kg type NU

min

max

(approx.)

253 253 256 256 260 260

347 347 424 424 480 480

2.5 2.5 3 3 4 4

19.6 34.7 50.2 80 93.4 147

271 271 276 276 276 280 280 284 284 284

349 349 384 384 424 460 460 516 516 516

2 2 3 3 3 4 4 5 5 5

14.9 19.5 29.1 50.4 95.1 66.9 104 117 182 242

291 291 296 296 300 300 304 304

369 369 404 404 480 480 556 556

2 2 3 3 4 4 5 5

15.9 20.8 30.9 54.4 70.8 109 142 222

311 313 313 316 316 320 320 332

369 407 407 444 444 520 520 588

2 2.5 2.5 3 3 4 4 6

17.1 25.4 32.6 43.6 75.2 88.2 138 316

331 333 336

389 427 464

2 2.5 3

18.1 26.8 46 B-49

●Single Row Cylindrical Roller Bearings

B r

r r

φd φFW

φD

Type NU

Type NJ

Type NUP

Type N

Type NF

d 320∼420mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

Dimensions mm

rs min1

rls min1

Cor

type NU

320

480 540 580 580 670

121 176 92 150 200

4 5 5 5 7.5

1,580 2,530 1,600 2,550 3,750

2,890 4,550 2,390 4,350 5,800

161,000 258,000 164,000 260,000 385,000

295,000 465,000 244,000 445,000 595,000

NU3064 NU3164 NU264 NU2264 NU2364

358 376 390 390 410

340

460 460 520 520 580 620 620 710 710

56 72 82 133 190 165 224 118 212

3 3 5 5 5 6 6 7.5 7.5

590 830 1,050 2,030 3,050 2,880 4,000 2,250 4,250

1,040 1,610 1,670 3,900 5,450 4,650 7,100 3,300 6,600

60,500 84,500 107,000 207,000 310,000 294,000 410,000 230,000 430,000

107,000 164,000 170,000 400,000 555,000 475,000 725,000 340,000 675,000

NU1968 NU2968 NU1068 NU3068 NU3168 NU2268 NU3268 NU368 NU2368

370 370 385 385 400 410 410 450 435

360

440 480 480 540 540 600 650 750

60 56 72 82 134 192 232 224

2.1 3 3 5 5 5 6 7.5

460 615 860 1,080 1,990 3,150 4,150 4,500

1,090 1,120 1,720 1,750 4,200 5,500 7,600 7,000

47,000 62,500 87,500 110,000 202,000 320,000 425,000 460,000

111,000 114,000 176,000 179,000 430,000 560,000 775,000 710,000

NU3872 NU1972 NU2972 NU1072 NU3072 NU3172A NU3272 NU2372

382 390 390 405 413 416 435 460

380

520 520 560 560 680 680

65 82 82 135 175 240

4 4 5 5 6 6

740 1,110 1,100 2,200 3,350 4,300

1,330 2,230 1,840 4,450 5,800 7,650

75,500 113,000 112,000 224,000 340,000 440,000

136,000 227,000 187,000 455,000 590,000 780,000

NU1976 NU2976 NU1076 NU3076 NU2276 NU3276

416 416 425 426 460 460

400

500 600 600

75 90 148

2.1 5 5

870 1,320 2,520

2,250 2,190 5,050

88,500 134,000 257,000

229,000 223,000 515,000

NU3880 NU1080 NU3080

430 450 450

420

560 560 620

65 82 90

4 4 5

800 1,190 1,350

1,510 2,530 2,290

81,500 122,000 138,000

154,000 258,000 233,000

NU1984 NU2984 NU1084

456 456 470

1 Minimal allowable dimension for chamfer dimension r or r1.

B-50

●Single Row Cylindrical Roller Bearings

r1a

ra φda φDa

φda φDa

Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type N

Type NU

Abutment and fillet dimensions

Mass

mm da

ras

rlas

kg type NU

min

max

(approx.)

336 340 340 340 352

464 520 560 560 638

3 4 4 4 6

81.2 175 111 172 402

353 353 360 360 360 364 364 372 372

447 447 500 500 560 596 596 678 678

2.5 2.5 4 4 4 5 5 6 6

28.2 36.2 61.8 108 220 260 316 246 477

371 373 373 380 380 380 384 392

429 467 467 520 520 580 626 718

2 2.5 2.5 4 4 4 5 6

20.1 29.6 38 64.7 114 232 356 562

396 396 400 400 404 404

504 504 540 540 656 656

3 3 4 4 5 5

42.9 54.1 67.5 120 326 400

411 420 420

489 580 580

2 4 4

35.4 87.6 155

436 436 440

544 544 600

3 3 4

46.7 59 91 B-51

●Single Row Cylindrical Roller Bearings

B r

r r

φd φFW

φD

Type NU

Type NJ

Type NUP

Type N

Type NF

d 440∼670mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

kN rs min1

rls min1

static

Bearing numbers type NU

kgf

Dimensions mm

Cor

4 6 6

1,520 1,430 2,770

3,100 2,430 5,700

155,000 146,000 283,000

320,000 248,000 580,000

NU2988 NU1088 NU3088

480 493 493

3 6

990 1,540

2,230 2,630

101,000 157,000

227,000 269,000

NU2892 NU1092

490 516

78 100 100

5 5 6

1,140 1,640 1,580

2,150 3,450 2,750

116,000 168,000 161,000

219,000 350,000 280,000

NU1996 NU2996 NU1096

523 523 536

620 670 720

72 78 100

3 5 6

1,030 1,160 1,610

2,390 2,220 2,870

105,000 118,000 164,000

244,000 226,000 292,000

NU28/500 NU19/500 NU10/500

530 543 556

530

710 710 780 780

82 106 112 185

5 5 6 6

1,290 1,870 1,930 3,650

2,480 4,000 3,450 7,400

132,000 191,000 197,000 375,000

253,000 410,000 350,000 755,000

NU19/530 NU29/530 NU10/530 NU30/530

576 576 595 590

560

680 680 750 750 820

72 90 85 112 115

3 3 5 5 6

1,090 1,250 1,470 2,010 2,190

2,680 3,200 2,840 4,250 3,900

111,000 127,000 150,000 205,000 223,000

273,000 325,000 290,000 435,000 400,000

NU28/560 NU38/560 NU19/560 NU29/560 NU10/560

590 590 607 607 626

600

730 800 800 870

78 90 118 200

3 5 5 6

1,210 1,620 2,270 4,450

3,000 3,200 4,950 9,350

124,000 165,000 231,000 455,000

310,000 325,000 505,000 955,000

NU28/600 NU19/600 NU29/600 NU30/600

633 650 650 670

630

780 850 850 920

88 100 128 128

4 6 6 7.5

1,520 1,910 2,710 2,560

3,650 3,700 5,850 4,650

155,000 195,000 277,000 261,000

370,000 380,000 595,000 475,000

NU28/630 NU19/630 NU29/630 NU10/630

667 684 684 705

670

820 820 900

88 112 103

4 4 6

1,580 2,010 1,980

3,900 5,500 3,950

161,000 205,000 202,000

395,000 560,000 405,000

NU28/670 NU38/670 NU19/670

707 709 729

440

600 650 650

95 94 157

4 6 6

460

580 680

72 100

480

650 650 700

500

1 Minimal allowable dimension for chamfer dimension r or r1.

B-52

●Single Row Cylindrical Roller Bearings

r1a

ra φda φDa

φda φDa

Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type N

Type NU

Abutment and fillet dimensions

Mass

mm da

ras

rlas

kg type NU

min

max

(approx.)

456 464 464

584 626 626

3 5 5

82.8 105 188

473 484

567 656

2.5 5

47.1 122

500 560 504

630 630 676

4 4 5

78.5 101 126

513 520 524

607 650 696

2.5 4 5

50.7 81.3 130

550 550 554 554

690 690 756 756

4 4 5 5

95.9 124 192 318

573 573 580 580 584

667 667 730 730 796

2.5 2.5 4 4 5

56.1 72.7 111 146 216

613 620 620 624

717 780 780 846

2.5 4 4 5

70.7 132 173 416

646 654 654 662

764 826 826 888

3 5 5 6

97.5 171 218 302

686 686 694

804 804 876

3 3 5

103 136 195 B-53

●Single Row Cylindrical Roller Bearings

B r

r r

φd φFW

φD

Type NU

Type NJ

Type NUP

Type N

Type NF

d 670∼1,250mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

Dimensions mm

Cor

type NU

2,940

6,600

300,000

675,000

NU29/670

729

6 6

2,260 3,300

4,600 7,500

231,000 340,000

465,000 765,000

NU19/710 NU29/710

770 770

112 145

6 6

2,340 3,600

4,850 8,400

239,000 365,000

495,000 860,000

NU19/750 NU29/750

815 815

800

980 1,060 1,150

106 150 155

5 6 7.5

2,310 3,850 4,100

5,950 8,850 7,800

236,000 390,000 415,000

605,000 900,000 795,000

NU28/800 NU29/800 NU10/800

845 865 887

850

1,030 1,120 1,120

106 118 155

5 6 6

2,390 2,920 4,000

6,350 6,150 9,250

244,000 297,000 410,000

645,000 625,000 945,000

NU28/850 NU19/850 NU29/850

895 917 917

1,060

1,400

195

7.5

6,100

14,500

620,000

1,480,000

NU29/1060

1,145

1,180

1,540

206

7.5

6,900

17,000

705,000

1,730,000

NU29/1180

1,270

1,250

1,630

170

7.5

5,550

12,500

565,000

1,280,000

NU19/1250

1,345

rs min1

670

900

136

710

950 950

106 140

750

1,000 1,000

rls min1

1 Minimal allowable dimension for chamfer dimension r or r1.

B-54

●Single Row Cylindrical Roller Bearings

r1a

ra φda φDa

φda φDa

Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type N

Type NU

Abutment and fillet dimensions

Mass

mm da

ras

rlas

kg type NU

min

max

(approx.)

694

876

257

734 734

926 926

5 5

221 292

774 774

976 976

5 5

257 332

820 824 832

960 1,036 1,118

4 5 6

178 380 554

870 874 874

1,010 1,096 1,096

4 5 5

188 329 432

1,092

1,368

855

1,212

1,508

1,060

1,282

1,598

975

B-55

●Multi-Row Cylindrical Roller Bearings

B r

r r

φd

φd φFW

φD

Type NNU Tapered bore Cylindrical bore taper 1:12

φD φEw

φd

Type NN Tapered bore Cylindrical bore taper 1:12

d 100∼180mm Boundary dimensions mm

Basic load ratings dynamic static dynamic kN kgf

Bearing numbers static type NNU Cylindrical tapered bore bore1

type NN Cylindrical tapered bore bore1

rs min2

Cor

100

140 150

40 37

1.1 1.5

131 153

260 256

13,300 15,600

26,500 26,100

NNU4920 −

NNU4920K −

NN4920 NN3020

NN4920K NN3020K

105

145 160

40 41

1.1 2

133 198

268 320

13,500 20,200

27,400 33,000

NNU4921 −

NNU4921K −

NN4921 NN3021

NN4921K NN3021K

110

150 150 170

30 40 45

1.1 1.1 2

107 137 229

206 284 375

10,900 14,000 23,300

21,000 28,900 38,000

− NNU4922 NNU3022

− NNU4922K NNU3022K

NN3922 NN4922 NN3022

− NN4922K NN3022K

120

165 180

45 46

1.1 2

183 233

360 390

18,700 23,700

37,000 40,000

NNU4924 NNU3024

NNU4924K −

NN4924 NN3024

NN4924K NN3024K

130

180 180 200 210

37 50 52 64

1.5 1.5 2 2

169 220 284 340

315 440 475 560

17,300 22,400 29,000 35,000

32,000 45,000 48,500 57,000

− NNU4926 NNU3026 −

− NNU4926K − −

NN3926 NN4926 NN3026 NN3126

NN3926K NN4926K NN3026K −

140

190 190 210

37 50 53

1.5 1.5 2

175 227 298

335 470 515

17,800 23,100 30,500

34,000 48,000 52,500

− NNU4928 NNU3028

− NNU4928K −

NN3928 NN4928 NN3028

− NN4928K NN3028K

150

210 210 225 225 250

45 60 56 75 80

2 2 2.1 2.1 2.1

256 345 335 435 555

475 690 585 825 900

26,100 35,000 34,000 44,500 56,500

48,500 70,500 60,000 84,000 92,000

− NNU4930 NNU3030 − NNU3130

− NNU4930K − − −

NN3930 NN4930 NN3030 NN4030 −

− NN4930K NN3030K − −

160

220 220 240

45 60 60

2 2 2.1

265 355 375

505 740 660

27,000 36,500 38,000

51,500 75,500 67,500

− NNU4932 −

− NNU4932K −

NN3932 NN4932 NN3032

NN3932K NN4932K NN3032K

170

230 230 260 280

45 60 67 88

2 2 2.1 2.1

268 360 440 635

520 765 775 1,050

27,400 37,000 45,000 65,000

53,000 78,000 79,000 107,000

− NNU4934 NNU3034 NNU3134

− NNU4934K NNU3034K −

NN3934 NN4934 NN3034 NN3134

NN3934K NN4934K NN3034K −

180

250 250

52 69

2 2

340 460

665 965

35,000 46,500

67,500 98,500

− NNU4936

− NNU4936K

NN3936 NN4936

NN3936K NN4936K

1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Smallest allowable dimension for chamfer dimension r.

B-56

●Multi-Row Cylindrical Roller Bearings

φda φDa

φda φDa Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type NN

Dimensions mm

Type NNU

Abutment and fillet dimensions Mass (approx.) mm kg da Da ras type NNU type NN Cylindrical bore

Cylindrical bore

1 1.5

1.83 −

1.75 2.26

138.5 −

1 2

1.91 −

1.82 2.89

116.5 116.5 119

− 143.5 161

1 1 2

− 1.99 3.87

1.54 1.9 3.69

154.5 165

126.5 129

158.5 171

1 2

2.75 4.24

2.63 3.98

− 146 150 −

168 168 182 189

138 138 139 139

− 172 191 −

1.5 1.5 2 2

− 3.69 6.15 −

− 3.52 5.92 8.59

− 156 160

178 178 192

148 148 149

− 182 201

1.5 1.5 2

− 3.94 6.64

3.01 3.76 6.44

− 168.5 172 − 177

196.5 196.5 206 206 −

159 159 161 161 161

− 201 214 − 239

2 2 2 2 2

− 6.18 8.06 − 16.4

4.79 5.9 7.81 10.4 −

− 178.5 −

206.5 206.5 219

169 169 171

− 211 −

2 2 2

− 6.53 −

5.06 6.24 8.92

− 188.5 196 201

216.5 216.5 236 253

179 179 181 181

− 221 249 269

2 2 2 2

− 6.87 13.3 22.3

5.33 6.56 12.6 21.5

− 202

234 234

189 189

− 241

2 2

− 9.9

7.72 9.45

min

113 −

129 137

106.5 108

133.5 −

118 −

134 146

111.5 114

− 123 127

139 139 155

134.5 137

max

B-57

●Multi-Row Cylindrical Roller Bearings

B r

r r

φd

φd φFW

φD

Type NNU Tapered bore Cylindrical bore taper 1:12

φD φEw

φd

Type NN Tapered bore Cylindrical bore taper 1:12

d 180∼320mm Boundary dimensions mm

Basic load ratings dynamic static dynamic kN kgf

Bearing numbers static type NNU Cylindrical tapered bore bore1

type NN Cylindrical tapered bore bore1

rs min2

Cor

180

280

2.1

565

995

57,500

102,000

NNU3036

−

NN3036

NN3036K

190

260 260 290

52 69 75

2 2 2.1

355 475 580

705 1,030 1,040

36,000 48,500 59,000

72,000 105,000 106,000

− NNU4938 NNU3038

− NNU4938K −

NN3938 NN4938 NN3038

− NN4938K NN3038K

200

280 280 310 310 340

60 80 82 109 112

2.1 2.1 2.1 2.1 3

445 555 655 890 970

890 1,180 1,170 1,730 1,660

45,500 56,500 66,500 90,500 99,000

91,000 120,000 119,000 177,000 169,000

− NNU4940 NNU3040 − −

− NNU4940K − − −

NN3940 NN4940 NN3040 NN4040 NN3140

− NN4940K NN3040K − −

220

300 300 340 370

60 80 90 120

2.1 2.1 3 4

470 585 815 1,080

975 1,300 1,480 1,890

48,000 59,500 83,000 111,000

99,500 132,000 151,000 193,000

− NNU4944 NNU3044 NNU3144

− NNU4944K − −

NN3944 NN4944 NN3044 NN3144

NN3944K NN4944K NN3044K −

240

320 320 360 400

60 80 92 128

2.1 2.1 3 4

490 610 855 1,250

1,060 1,410 1,600 2,230

50,000 62,500 87,000 127,000

109,000 144,000 163,000 228,000

NNU3948 NNU4948 NNU3048 −

− NNU4948K − −

NN3948 NN4948 NN3048 NN3148

NN3948K NN4948K NN3048K −

260

360 360 400 400

75 100 104 140

2.1 2.1 4 4

660 900 1,060 1,500

1,390 2,070 1,990 3,100

67,000 92,000 108,000 153,000

141,000 211,000 203,000 315,000

− NNU4952 − NNU4052

− NNU4952K − −

NN3952 NN4952 NN3052 NN4052

NN3952K NN4952K NN3052K −

280

350 350 380 380 420

52 69 75 100 106

2 2 2.1 2.1 4

320 505 690 925 1,080

765 1,300 1,510 2,200 2,080

32,500 51,000 70,500 94,500 110,000

78,000 132,000 154,000 224,000 212,000

NNU3856 NNU4856 − NNU4956 −

− NNU4856K − NNU4956K −

− − NN3956 NN4956 NN3056

− − NN3956K NN4956K NN3056K

300

420 420 460 460

90 118 118 160

3 3 4 4

945 1,200 1,330 1,890

2,050 2,800 2,560 4,050

96,000 122,000 135,000 193,000

209,000 285,000 261,000 410,000

− NNU4960 NNU3060 −

− NNU4960K − −

NN3960 NN4960 NN3060 NN4060

NN3960K NN4960K NN3060K −

320

400

610

1,600

62,500

163,000

NNU4864

−

2.1

1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Smallest allowable dimension for chamfer dimension r.

B-58

●Multi-Row Cylindrical Roller Bearings

φda φDa

φda φDa Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type NN

Dimensions mm

Type NNU

Abutment and fillet dimensions Mass (approx.) mm kg da Da ras type NNU type NN

min

max

Cylindrical bore

209

255

191

269

17.4

16.6

− 212 219

244 244 265

199 199 201

− 251 279

2 2 2

− 10.4 18.4

8.08 9.93 18

− 225 232 − −

261 261 282 282 304

211 211 211 211 213

− 269 299 − −

2 2 2 2 2.5

− 14.7 23.5 − −

11.4 14 21.6 30.2 41.8

− 245 254 263.5

281 281 310 331.5

231 231 233 236

− 289 327 354

2 2 2.5 3

− 15.9 31.0 54.4

12.3 15.2 29.3 52.4

265 265 274 −

301 301 330 361

251 251 253 256

309 309 347 −

2 2 2.5 3

13.8 17.2 33.9 −

13.3 16.4 32.8 64.7

− 292 − 298

336 336 364 362

271 271 276 276

− 349 − 384

2 2 3 3

− 29.6 − 66.2

22.9 28.3 47.4 63.8

301 301 − 312 −

− − 356 356 384

289 289 291 291 296

341 341 − 369 −

2 2 2 2 3

11.7 15.6 − 31.6 −

− − 24.4 30.2 51.1

− 339 346 −

391 391 418 418

313 313 316 316

− 407 444 −

2.5 2.5 3 3

− 48.6 73.4 −

38.4 46.4 70.8 96

344

−

331

389

23.6

− B-59

●Multi-Row Cylindrical Roller Bearings

B r

r r

φd

φd φFW

φD

Type NNU Tapered bore Cylindrical bore taper 1:12

φD φEw

φd

Type NN Tapered bore Cylindrical bore taper 1:12

d 320∼500mm Boundary dimensions mm rs min2

Basic load ratings dynamic static dynamic kN kgf

type NN Cylindrical tapered bore bore1

Cor

2,180 2,970 2,670 3,950

99,000 126,000 138,000 220,000

222,000 305,000 272,000 400,000

− NNU4964 NNU3064 NNU3164

− NNU4964K − −

NN3964 NN4964 NN3064 −

NN3964K NN4964K NN3064K −

1,280 1,620

3,150 3,200

131,000 165,000

320,000 325,000

NNU4968 NNU3068

NNU4968K −

NN4968 NN3068

NN4968K NN3068K

3 3 5 5

1,030 1,290 1,650 2,470

2,430 3,250 3,300 5,550

105,000 131,000 169,000 252,000

248,000 330,000 340,000 570,000

− NNU4972 NNU3072 NNU4072

− NNU4972K − −

NN3972 − NN3072 −

− − NN3072K −

140 135

4 5

1,630 1,690

4,050 3,450

167,000 172,000

415,000 355,000

NNU4976 NNU3076

NNU4976K −

− NN3076

− NN3076K

500 540 600

100 140 148

2.1 4 5

1,070 1,690 2,040

2,950 4,300 4,150

109,000 172,000 208,000

300,000 435,000 420,000

NNU4880 NNU4980 −

− NNU4980K −

− − NN3080

− − NN3080K

420

560 560 620 700

106 140 150 224

4 4 5 6

1,370 1,740 2,080 3,400

3,350 4,500 4,300 6,400

140,000 177,000 212,000 345,000

340,000 460,000 440,000 650,000

− NNU4984 − NNU3184

− NNU4984K − −

NN3984 − NN3084 −

− − NN3084K −

440

600 650 650

160 157 212

4 6 6

2,150 2,420 3,250

5,550 5,100 7,750

219,000 247,000 330,000

565,000 520,000 790,000

NNU4988 NNU3088 NNU4088

NNU4988K − −

− NN3088 −

− NN3088K −

460

620 680

160 163

4 6

2,220 2,550

5,850 5,350

226,000 260,000

595,000 545,000

NNU4992 −

NNU4992K −

− NN3092

− NN3092K

480

600 650 790

90 170 248

3 5 7.5

1,010 2,280 4,100

2,570 5,900 8,100

103,000 233,000 420,000

262,000 600,000 825,000

− NNU4996 −

− NNU4996K −

NN3896 − NN3196

− − −

500

620 670 720

90 170 167

3 5 6

1,140 2,360 2,650

2,880 6,200 5,750

116,000 240,000 270,000

293,000 635,000 590,000

NNU38/500 NNU49/500 −

− NNU49/500K −

− − NN30/500

− − −

320

440 440 480 540

90 118 121 176

3 3 4 5

975 1,240 1,350 2,160

340

460 520

118 133

3 5

360

480 480 540 540

90 118 134 180

380

520 560

400

Cor

type NNU Cylindrical tapered bore bore1

Bearing numbers static

1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Smallest allowable dimension for chamfer dimension r.

B-60

●Multi-Row Cylindrical Roller Bearings

φda φDa

φda φDa Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type NN

Dimensions mm

Type NNU

Abutment and fillet dimensions Mass (approx.) mm kg da Da ras type NNU type NN

min

max

Cylindrical bore

− 359 366 383

411 411 438 −

333 333 336 340

− 427 464 520

2.5 2.5 3 4

− 51.4 79.3 170

40.5 49 76.2 −

379 393

431 473

353 360

447 500

2.5 4

54.2 105

52.2 102

− 398 413 415

451 − 493 −

373 373 380 380

− 467 520 520

2.5 2.5 4 4

− 57 111 136

44.8 − 107 −

425 432

− 512

396 400

504 540

3 4

84.5 117

− 113

430.5 445 −

− − 547

411 416 420

489 524 −

2 3 4

46.1 88.2 −

− − 146

− 465 − 500

522 − 567 −

436 436 440 444

− 544 − 676

3 3 4 5

− 92 − 359

71.7 − 154 −

492 500 505

− 596 −

456 464 464

584 626 626

3 5 5

127 184 248

− 178 −

512 −

− 622

476 484

604 −

3 5

132 −

− 202

− 534 −

566 − 710

493 500 512

− 630 −

2.5 4 6

− 156 −

57.5 − 482

532 556 −

− − 664

513 520 524

607 650 −

2.5 4 5

61.9 162 −

− − 221 B-61

●Multi-Row Cylindrical Roller Bearings

B r

r r

φd

φd φFW

φD

φD φEw

Type NNU Tapered bore Cylindrical bore taper 1:12

φd

Type NN Tapered bore Cylindrical bore taper 1:12

d 530∼950mm Boundary dimensions mm d

rs min2

Basic load ratings dynamic static dynamic kN kgf Cr

Cor

Bearing numbers static

Cor

type NNU Cylindrical tapered bore bore1

type NN Cylindrical tapered bore bore1

530

650 710

90 180

3 5

1,060 2,740

2,840 7,150

108,000 279,000

289,000 730,000

− NNU49/530

− NNU49/530K

NN38/530 −

− −

560

680 750 820

90 190 195

3 5 6

1,060 3,150 3,550

2,960 8,450 7,700

108,000 325,000 365,000

300,000 860,000 785,000

− NNU49/560 NNU30/560

− NNU49/560K −

NN38/560 NN49/560 −

− − −

600

730 870

128 200

3 6

1,840 3,700

5,400 8,250

188,000 375,000

550,000 845,000

NNU48/600 −

− −

− NN30/600

− −

630

780 850

150 165

4 6

2,200 5,750

6,200 5,300

224,000 585,000

630,000 1,560,000

NNU48/630 NNU39/630

− −

920

128

5 6

2,340 4,850

6,450 3,200

238,000 495,000

660,000 1,340,000

NNU38/750 NNU49/750

− −

800 1,060 195

980

136

5 6

2,430 3,900

6,700 10,200

248,000 400,000

680,000 1,040,000

NNU38/800 NNU39/800

− −

950 1,250 300

7.5

7,150

1,200

730,000

2,160,000

−

NN49/950

−

750 1,000 250

1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Smallest allowable dimension for chamfer dimension r.

B-62

●Multi-Row Cylindrical Roller Bearings

φda φDa

φda φDa Equivalent bearing load dynamic Pr＝Fr static Por＝Fr

Type NN

Dimensions mm

Type NNU

Abutment and fillet dimensions Mass (approx.) mm kg da Da ras type NNU type NN

min

max

Cylindrical bore

− 588

616 −

543 550

− 690

2.5 4

− 206

62.9 −

− 618 634

647 702 −

573 580 584

− 730 796

2.5 4 5

− 242 358

66.1 233 −

635 −

− 800

613 624

717 −

2.5 5

113 −

− 392

673 684

− −

646 654

764 826

3 5

162 275

− −

798 824

− −

770 774

900 976

4 5

186 560

− −

852 878

− −

820 824

960 1,036

4 5

223 483

− −

−

1,176

982

−

977

B-63

●4-Row Cylindrical Roller Bearings

C1 r1 r B1 φD

φd φFW

Basic load ratings static dynamic

static

d 100∼170mm Boundary dimensions dynamic mm D

100

150

120

180 180

92 105

130

200

140

kN rs min3

rls min3

Bearing1 numbers

Drawing2 No.

kgf

Cor

262

510

26,700

52,500

4R2035

92 105

2.5 2.5

400 445

785 855

40,500 45,500

80,000 87,000

4R2437 4R2438

A A

104

2.5

490

955

49,500

97,000

4R2628

190 210

119 116

1.5 2.5

495 510

1,190 1,030

50,500 52,000

121,000 105,000

4R2832 4R2823

B2） A

145

210 225

155 156

2.5 2.5

705 810

1,640 1,750

71,500 82,500

168,000 178,000

4R2906 4R2904

A A

150

220 220 220 230 230 230 250

127 150 150 130 156 168 150

120 150 150 130 156 168 150

2.5 2.5 2.5 2.5 2.5 2 2.5

615 750 750 725 930 845 885

1,280 1,640 1,640 1,520 2,040 1,950 1,640

63,000 76,500 76,500 73,500 95,000 86,000 90,500

130,000 168,000 168,000 155,000 208,000 199,000 167,000

4R3036 4R3031 4R3056 4R3029 4R3040 4R3042 4R3039

A A A A A A A

151.5

230

168

1.5

2.5

850

2,060

87,000

210,000

4R3033K

160

220 230 230 230 230 230 240

180 130 168 168 168 180 170

2.5 2.5 2.5 2.5 2.5 2.5 2

2.5 2.5 2.5 2.5 2.5 2.5 2.5

920 665 915 895 895 920 980

2,490 1,340 2,170 2,200 2,210 2,490 2,290

93,500 68,000 93,500 91,500 91,000 93,500 100,000

254,000 136,000 222,000 225,000 225,000 254,000 234,000

4R3224 4R3226 4R3232 4R3229 4R3231 4R3228 4R3225

D3） A A A A D3） A

170

230 230 240 240 250 250 255 260

120 120 156 160 168 168 180 150

2.5 2 2.5 2.5 2.5 2.5 2.5 2.5

620 620 905 905 970 1,030 1,100 835

1,520 1,520 2,170 2,180 2,220 2,390 2,430 1,750

63,000 63,000 92,500 92,000 99,000 105,000 112,000 85,000

155,000 155,000 222,000 222,000 226,000 243,000 247,000 179,000

4R3426 4R3443 4R3429 4R3423 4R3432 4R3428 4R3425 4R3433

A C A A A A A A

1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Drawing details are shown in Page B-38. 3 Minimal allowable dimension for chamfer dimension r or r1.

B-64

●4-Row Cylindrical Roller Bearings

r1a ra

φDa

φda

Abutment and fillet dimensions

Mass

mm Da

ras

rlas

min

max

115

109

141

2.0

4.68

137 135

131 131

169 169

2 2

8.2 9.3

150

141

189

12.1

154 160

148 151

182 199

1.5 2

9.93 13.9

166 169

156 156

199 214

2 2

18 23.3

168 168 168 174 174 178 177

161 161 161 161 161 159 161

209 209 209 219 219 221 239

2 2 2 2 2 2 2

15.7 19.4 19.6 20 24.5 25.8 29.6

179

159.5

219

1.5

25.4

177 180 179 180 182 177 183

171 171 171 171 171 171 169

209 219 219 219 219 219 229

2 2 2 2 2 2 2

20.2 16.6 23.4 23.2 23.2 24.8 27.8

187 187 189 190 193 193 193 192

181 179 181 181 181 181 181 181

219 221 229 229 239 239 244 249

2 2 2 2 2 2 2 2

14.2 14.6 22.2 22.8 28.2 28.5 19.3 29.5

(approx.)

B-65

●4-Row Cylindrical Roller Bearings

C1 r1 r B1 φD

φd φFW

Basic load ratings static dynamic

static

d 170∼230mm Boundary dimensions dynamic mm d

Bearing1 numbers

Drawing2 No.

kgf

rs min3

rls min3

Cor

170

260

225

2.5

1,310

3,150

134,000

320,000

4R3431

180

250 250 260 265

156 168 168 180

2.5 2 2.5 2.5

895 885 1,020 1,090

2,180 2,470 2,400 2,510

91,500 90,000 104,000 111,000

223,000 252,000 244,000 256,000

4R3625 4R3639 4R3628 4R3618

A A A A

190

260 270 270 270 280 280

168 170 200 200 200 200

2.5 2.5 2.5 2.5 2.5 2.5

980 1,090 1,260 1,230 1,240 1,240

2,600 2,660 3,100 3,200 2,910 2,910

100,000 111,000 128,000 125,000 126,000 126,000

265,000 272,000 315,000 330,000 297,000 297,000

4R3820 4R3818 4R3821 4R3817 4R3823 4R3830

A A A A B C

200

270 280 280 280 280 280 290

170 152 170 190 200 200 192

2.5 2.1 2.5 2.5 2.5 2.5 2.5

970 1,000 1,040 1,190 1,310 1,250 1,290

2,610 2,320 2,430 3,150 3,300 3,350 3,150

99,000 102,000 106,000 121,000 134,000 127,000 132,000

266,000 237,000 248,000 320,000 335,000 340,000 320,000

4R4039 4R4054 4R4048 4R4026 4R4037 4R4027 4R4041

A B2） A A A A A

210

290

192

2.5

1,230

3,350

126,000

340,000

4R4206

220

290 300 300 310 310 310 310 310 310 320 320 320

192 160 160 192 192 204 215 225 225 160 210 210

2.5 2.5 2.1 2.5 2.5 2.5 2.5 2.5 2.5 3 2.5 2.5

1,190 1,000 1,000 1,350 1,390 1,420 1,530 1,480 1,590 1,190 1,550 1,560

3,350 2,590 2,590 3,550 3,400 3,750 3,750 3,950 3,950 2,550 3,650 3,600

122,000 102,000 102,000 138,000 141,000 144,000 156,000 151,000 162,000 121,000 158,000 159,000

340,000 264,000 264,000 360,000 350,000 385,000 380,000 405,000 400,000 260,000 370,000 370,000

4R4413 4R4419 4R4445 4R4410 4R4426 4R4425 4R4420 4R4416 4R4449 4R4428 4R4429 4R4444

A A C A A A A A A A A A

230

330 330

206 206

2.5 2.5

1,510 1,520

3,900 3,800

154,000 155,000

395,000 385,000

4R4610 4R4614

A A

1 Drawing details are shown in Page B-38. 2 Minimal allowable dimension for chamfer dimension r or r1.

B-66

●4-Row Cylindrical Roller Bearings

r1a ra

φDa

φda

Abutment and fillet dimensions

Mass

mm Da

ras

rlas

min

max

196

181

249

200 202 202 204

191 189 191 191

239 241 249 254

2 2 2 2

23.2 25.6 29.4 34.2

212 213 212 212 214 214

201 201 201 201 201 201

249 259 259 259 269 269

2 2 2 2 2 2

26.9 31.7 37.5 37.2 41.5 42.8

222 222 222 223 222 224 226

211 211 211 211 211 211 211

259 269 269 269 269 269 279

2 2 2 2 2 2 2

28.5 29.5 33 36.7 40.5 38.8 42.5

236

221

279

39.5

239 245 245 247 246 247 242 245 244 245 248 246

231 231 231 231 231 231 231 231 231 233 231 231

279 289 289 299 299 299 299 299 299 307 309 309

2 2 2 2 2 2 2 2 2 2.5 2 2

33.8 32.8 33.7 46.3 46.9 49.8 51.5 54.9 54.3 46.5 60.5 57.3

260 258

241 241

319 319

2 2

58.3 58.6

(approx.)

B-67

●4-Row Cylindrical Roller Bearings

C1 r1 r B1 φD

φd φFW

Basic load ratings static dynamic

static

d 230∼300mm Boundary dimensions dynamic mm d

kN rs min2

rls min2

Bearing numbers

Drawing1 No.

kgf

Cor

230

340

260

2,050

5,100

209,000

520,000

4R4611

240

330 330 330 330 340 360 360

220 220 220 220 220 220 220

3 3 3 3 3 2.5 2.5

1,490 1,610 1,490 1,520 1,670 1,760 1,760

4,150 4,250 4,150 4,250 4,200 4,050 4,050

152,000 164,000 152,000 155,000 170,000 179,000 179,000

420,000 435,000 420,000 435,000 425,000 415,000 415,000

4R4811 4R4819 4R4821 4R4804 4R4806 4R4807 4R4813

C A C A A A A

250

350

220

1,730

4,300

176,000

440,000

4R5008

260

360 360 370 370 380 400

220 260 220 220 280 290

200 260 220 220 280 290

2.5 2.5 3 3 3 4

2.5 2.1 3 3 3 2

1,540 1,830 1,760 1,760 2,420 3,050

4,150 4,850 4,450 4,450 6,250 7,150

157,000 187,000 179,000 179,000 247,000 315,000

426,000 495,000 455,000 455,000 635,000 730,000

4R5221 4R5231 4R5208 4R5217 4R5213 4R5218

D C1） A A1） A E4）

265

370

234

1.5

2,020

5,000

206,000

510,000

4R5306

A1）

270

380 380

280 280

2.5 2.5

2,260 2,580

5,750 6,850

231,000 263,000

585,000 700,000

4R5407 4R5405

A F4）

280

350 390 390 390 420

208 220 220 275 280

2.5 3 3 2.5 4

1,290 1,780 1,820 2,290 2,430

3,950 4,650 4,800 6,250 6,150

132,000 181,000 186,000 233,000 248,000

405,000 475,000 490,000 635,000 630,000

4R5614 4R5611 4R5604 4R5612 4R5605

A A A D3） A

290

410 420

240 300

3 3

2,240 2,830

5,550 7,500

228,000 288,000

565,000 765,000

4R5806 4R5805

A A

300

400 420 420 420 420 420

300 240 240 240 240 300

3 3 3 3 3 3

2,480 2,020 2,020 2,010 2,280 2,990

7,500 5,450 5,450 5,450 5,750 8,150

253,000 206,000 206,000 205,000 233,000 305,000

765,000 555,000 555,000 555,000 585,000 835,000

4R6014 4R6017 4R6012 4R6023 4R6027 4R6030

A A1） A A1） A F1）

1 Drawing details are shown in Page B-38. 2 Minimal allowable dimension for chamfer dimension r or r1.

B-68

●4-Row Cylindrical Roller Bearings

r1a ra

φDa

φda

Abutment and fillet dimensions

Mass

mm Da

ras

rlas

min

max

(approx.)

261

243

327

2.5

82.6

270 264 268 270 268 274 274

253 253 253 253 253 251 251

317 317 317 317 327 349 349

2.5 2.5 2.5 2.5 2.5 2 2

56.8 57.1 57.1 57.1 63.6 79.6 80.1

278

263

337

2.5

292 287 292 292 294 296

271 271 273 273 273 276

349 349 357 357 367 391

2 2 2.5 2.5 2.5 3

2 2 2.5 2.5 2.5 2

62.7 81.5 77.1 76.5 109 135

300

273

362

1.5

78.9

297 299.7

281 281

369 369

2 2

101 105

298 312 312 312 323

291 293 293 291 296

339 377 377 379 404

2 2.5 2.5 2 3

46.4 81.3 82 105 139

320 327

303 303

397 407

2.5 2.5

103 141

328 334 334 336 332 331

313 313 313 313 313 313

387 407 407 407 407 407

2.5 2.5 2.5 2.5 2.5 2.5

104 106 105 105 105 136 B-69

●4-Row Cylindrical Roller Bearings

C1 r1 r B1 φD

φd φFW

Basic load ratings static dynamic

static

d 300∼380mm Boundary dimensions dynamic mm

kN rs min3

300

420 420 420 430 460

300 300 320 240 270

300 300 300 240 270

3 3 3 3 3

310

430

240

320

440 450 460 470

240 240 340 350

330

440 440 460 460

rls min3

Bearing1 numbers

Drawing2 No.

kgf

Cor

3 3 3 3 3

2,720 2,900 2,900 2,160 2,510

7,600 7,850 7,850 5,150 5,350

278,000 295,000 295,000 220,000 256,000

775,000 800,000 800,000 525,000 545,000

4R6015 4R6020 4R6018 4R6021 4R6019

A F1） F2） A A

2,240

5,950

228,000

605,000

4R6202

230 240 340 350

3 3 3 3

2,290 2,370 3,400 4,150

6,050 6,150 9,450 10,900

234,000 242,000 345,000 425,000

615,000 630,000 960,000 1,110,000

4R6414 4R6411 4R6412 4R6406

A A A F4）

200 200 340 340

3 5 4 4

3 3 4 4

1,820 1,720 3,250 3,300

4,850 4,550 8,850 9,550

186,000 176,000 330,000 335,000

495,000 465,000 905,000 975,000

4R6603 4R6608 4R6605 4R6602

B B1） A A

340

480 480 490 490

350 370 300 300

350 350 300 300

4 5 4 5

3,950 3,450 3,350 3,100

10,900 9,650 8,300 7,950

400,000 350,000 340,000 315,000

1,110,000 985,000 845,000 810,000

4R6819 4R6811 4R6804 4R6805

FM1） A A A

356.76

550

400

5,100

13,800

520,000

1,410,000

4R7105K

360

480 510 510 510

290 370 400 400

290 370 380 400

3 4 4 5

3 4 2 5

2,990 3,550 4,350 4,250

8,150 9,700 11,900 11,500

305,000 365,000 445,000 435,000

830,000 990,000 1,210,000 1,170,000

4R7207 4R7212 4R7205 4R7203

A C E1） B

370

480 480 520 520

230 250 380 400

5 3 5 5

2,100 2,200 3,900 4,650

6,250 6,450 10,800 13,500

214,000 225,000 400,000 475,000

635,000 660,000 1,100,000 1,370,000

4R7405 4R7408 4R7411 4R7404

A A A A

380

520 520 520 540

280 290 300 400

4 4 4 4

3,400 3,400 3,550 5,200

9,150 9,150 9,600 15,200

350,000 350,000 360,000 530,000

935,000 935,000 980,000 1,550,000

4R7605 4R7617 4R7607 4R7604

A A G1） G2）

1 "K" indicates bearings have tapered bore with a taper ratio of 1: 12. 2 Drawing details are shown in Page B-38. 3 Minimal allowable dimension for chamfer dimension r or r1.

B-70

●4-Row Cylindrical Roller Bearings

r1a ra

φDa

φda

Abutment and fillet dimensions

Mass

mm Da

ras

rlas

min

max

(approx.)

334 332 332 338 344

313 313 313 313 313

407 407 407 417 447

2.5 2.5 2.5 2.5 2.5

125 130 136 115 162

344.5

323

417

2.5

108

351 358 360 361.7

333 333 333 333

427 437 447 457

2.5 2.5 2.5 2.5

106 125 178 212

360 360 365 368

343 350 346 346

427 427 444 444

2.5 4 3 3

2.5 2.5 3 3

83.6 85.6 181 177

378 378 377 380

356 360 356 360

464 460 474 470

3 4 3 4

211 198 187 189

426

372.757 534

354

388 400 399 397

373 376 376 380

467 494 509 490

2.5 3 3 4

2.5 3 2 4

148 244 251 262

400 401 409 409

390 383 390 390

460 467 500 500

4 2.5 4 4

106 118 256 273

417 417 416 422

396 396 396 396

504 504 504 524

3 3 3 3

174 185 210 325 B-71

●4-Row Cylindrical Roller Bearings

C1 r1 r B1 φD

φd φFW

Basic load ratings static dynamic

static

d 380∼500mm Boundary dimensions dynamic mm d

kN rs min2

rls min2

Bearing numbers

Drawing1 No.

kgf

Cor

380

540 540

400 400

4 5

4,950 4,550

14,400 12,700

505,000 465,000

1,470,000 1,300,000

4R7618 4R7613

FM1） B1）3）

400

560 560 590

400 410 420

5 4 4

4,250 5,750 5,150

11,800 17,000 13,000

430,000 585,000 525,000

1,210,000 1,730,000 1,330,000

4R8007 4R8010 4R8011

B F A

420

560 580 600 620

280 230 440 400

4 4 6 5

4 4 2.5 5

3,150 2,430 6,350 5,000

8,750 6,250 18,100 13,400

320,000 248,000 650,000 510,000

895,000 635,000 1,850,000 1,360,000

4R8403 4R8404 4R8407 4R8401

A A F1） D3）

430

591

420

5,500

17,400

560,000

1,770,000

4R8605

FM1）4）

440

600 600 620 620

450 450 450 450

1.5 1.5 5 5

5 5 5 5

6,000 6,350 6,450 6,450

17,900 19,100 18,700 18,700

615,000 645,000 660,000 660,000

1,820,000 1,950,000 1,910,000 1,910,000

4R8806 4R8805 4R8803 4R8801

FR2） FR1） F1） F

460

620 620 620 650

400 400 460 470

4 4 4 5

5,350 4,950 5,950 7,150

16,700 15,000 19,100 20,600

545,000 505,000 605,000 730,000

1,700,000 1,530,000 1,950,000 2,100,000

4R9211 4R9209 4R9223 4R9216

GS A FM1） F1）

470

660

470

7,300

21,300

745,000

2,170,000

4R9403

FM1）

480

600 650 650 680

236 420 420 500

3 5 5 6

2,620 5,700 5,950 7,950

7,850 17,200 18,100 24,000

267,000 585,000 605,000 810,000

805,000 1,750,000 1,840,000 2,450,000

4R9610 4R9613 4R9607 4R9604

A G1） G F

500

680 680 690 690 700 710 720 720

420 420 470 510 515 480 530 530

405 405 470 510 515 480 530 530

5 5 5 5 5 6 5 5

7,100 6,300 7,650 7,750 7,900 8,650 8,250 8,250

22,900 18,800 22,500 24,600 24,100 24,700 25,000 25,000

725,000 640,000 780,000 790,000 805,000 880,000 840,000 840,000

2,340,000 1,920,000 2,290,000 2,500,000 2,450,000 2,520,000 2,550,000 2,550,000

4R10010 4R10020 4R10016 4R10006 4R10011 4R10008 4R10015 4R10024

F2） F2） F1） F F F1） F1） FM1）

1 Drawing details are shown in Page B-38. 2 Minimal allowable dimension for chamfer dimension r or r1.

B-72

●4-Row Cylindrical Roller Bearings

r1a ra

φDa

φda

Abutment and fillet dimensions

Mass

mm Da

ras

rlas

min

max

422 424

396 400

524 520

3 4

309 298

446 445 450

420 416 416

540 544 574

4 3 3

303 349 399

457 466 469.6 478

436 436 444 440

544 564 589 600

3 3 5 4

3 3 2 4

189 181 423 410

476

450

571

362

480 480 487 487

448 448 460 460

580 580 600 600

1.5 1.5 4 4

4 4 4 4

392 392 450 437

502 502 502 509

476 476 476 480

604 604 604 630

3 3 3 4

383 341 417 540

517

490

640

529

510 523 523 532

493 500 500 504

587 630 630 656

2.5 4 4 5

155 423 369 640

550 550 547 552 554 556 568 568

520 520 520 520 520 524 520 520

660 660 670 670 680 686 700 700

4 4 4 4 4 5 4 4

495 451 590 640 680 675 780 745

(approx.)

B-73

●4-Row Cylindrical Roller Bearings

C1 r1 r B1 φD

φd φFW

Basic load ratings static dynamic

static

d 510∼680mm Boundary dimensions dynamic mm d

kN rs min2

rls min2

Bearing numbers

Drawing1 No.

kgf

Cor

510

670 700

320 540

5 6

4,550 8,300

13,500 25,000

465,000 845,000

1,380,000 2,550,000

4R10201 4R10202

G1） F1）

520

700 720 735

540 550 535

6 5 5

8,200 9,400 9,000

25,500 27,700 26,600

835,000 960,000 915,000

2,600,000 2,820,000 2,710,000

4R10403 4R10406 4R10402

F1） FR1） F2）

530

700 760 780 780

540 520 570 570

6 6 6 7.5

6 6 6 6

7,850 9,150 10,300 10,300

25,400 26,700 29,100 29,100

800,000 935,000 1,050,000 1,050,000

2,590,000 2,730,000 2,970,000 2,970,000

4R10603 4R10601 4R10602 4R10606

F1） F1） F1） FM1）

762.03

558.8

10,100

29,200

1,030,000

2,980,000

4R10704

F2）

550

800

520

9,450

27,000

965,000

2,750,000

4R11001

F1）

560

680

360

4,650

16,500

475,000

1,680,000

4R11202

570

800 815

514 594

2.5 6

6 6

10,200 11,800

29,200 34,500

1,040,000 1,200,000

2,970,000 3,500,000

4R11404 4R11402

FR1） F

600

820 870 870

575 540 640

7.5 7.5 7.5

10,000 10,600 13,600

31,500 29,600 40,500

1,020,000 1,090,000 1,390,000

3,200,000 3,000,000 4,150,000

4R12006 4R12002 4R12001

FM1） F1） F

610

870

660

9.5

7.5

12,600

40,000

1,280,000

4,100,000

4R12202

F1）4）

628

922

600

13,600

38,500

1,390,000

3,900,000

4R12602

F1）

640

880

600

11,500

36,000

1,170,000

3,650,000

4R12802

F2）

650

920 920 920

670 680 690

7.5 7.5 7.5

4 7.5 7.5

14,600 14,800 14,300

46,000 47,000 46,500

1,490,000 1,520,000 1,460,000

4,700,000 4,800,000 4,750,000

4R13005 4R13010 4R13003

F1） FR1） F

660

820

440

7,300

27,800

745,000

2,840,000

4R13201

680

1,020 1,020

650 680

6 3

6 5

15,700 17,300

48,000 49,500

1,600,000 1,760,000

4,900,000 5,050,000

4R13603 4R13604

FM2） F2）

536.18

1 Drawing details are shown in Page B-38. 2 Minimal allowable dimension for chamfer dimension r or r1.

B-74

●4-Row Cylindrical Roller Bearings

r1a ra

φDa

φda

Abutment and fillet dimensions

Mass

mm Da

ras

rlas

min

max

554 558

530 534

650 676

4 5

335 689

564 566 574.5

544 540 540

676 700 715

5 4 4

658 715 740

574 590 601 595

554 554 554 562

676 736 756 756

5 5 5 6

5 5 5 5

626 800 1,010 978

600

556.176 738.03

859

622

574

776

965

590

573

667

2.5

265

626 628

581 594

776 791

2 5

5 5

849 1,040

660 672 672

632 632 632

788 838 838

6 6 6

941 1,150 1,330

680

650

838

1,400

702

641

898

2.5

1,430

700

664

856

1,150

723 723 723

682 682 682

904 888 888

6 6 6

3 6 6

1,500 1,510 1,550

702

680

804

580

803 775

704 693

996 1,000

5 2.5

5 4

1,970 2,060

(approx.)

B-75

●4-Row Cylindrical Roller Bearings

C1 r1 r B1 φD

φd φFW

Basic load ratings static dynamic

static

d 690∼860mm Boundary dimensions dynamic mm d

Bearing numbers

Drawing1 No.

kgf

rs min2

rls min2

Cor

690

980 980

715 750

7.5 7.5

16,800 16,500

54,500 53,000

1,720,000 1,680,000

5,550,000 5,400,000

4R13802 4R13803

F2） FM2）

710

1,000

715

9.5

16,800

54,500

1,710,000

5,550,000

4R14205

FS4）

725

1,000

700

15,900

53,500

1,620,000

5,450,000

4R14501

F1）

750

1,050 1,090

745 745

720 720

7.5 7.5

17,600 19,100

58,000 60,500

1,790,000 1,950,000

5,900,000 6,150,000

4R15001 4R15002

FM2） FM2）

755

1,070

750

7.5

18,700

58,500

1,910,000

5,950,000

4R15101

F1）

760

1,030 1,080 1,100

750 805 745

750 790 720

7.5 6 7.5

17,300 18,700 19,100

59,500 61,000 60,500

1,760,000 1,900,000 1,950,000

6,050,000 6,250,000 6,150,000

4R15204 4R15207 4R15203

FM1） FM2） FM2）

1,079.6

787.4

9.5

7.5

19,800

63,000

2,020,000

6,400,000

4R15201

F1）

800

1,080 1,080

700 750

7.5 6

16,500 17,300

55,000 59,000

1,680,000 1,760,000

5,600,000 6,000,000

4R16004 4R16005

F1） F1）

820

1,130 1,130 1,130 1,130 1,160

800 800 800 825 840

800 800 800 800 840

7.5 7.5 7.5 7.5 7.5

19,600 21,500 19,600 19,600 21,600

66,500 72,000 66,500 66,500 71,000

2,000,000 2,200,000 2,000,000 2,000,000 2,200,000

6,800,000 7,300,000 6,800,000 6,800,000 7,250,000

4R16406 4R16413 4R16415 4R16405 4R16403

FM1） FMS2） F2） FM1） F2）

830

1,080

710

16,200

59,500

1,660,000

6,100,000

4R16601

F2）

840

1,160

840

7.5

21,600

71,000

2,200,000

7,250,000

4R16801

F1）

850

1,150 1,150 1,150 1,180 1,180 1,180

650 800 840 650 850 850

9.5 6 6 7.5 9.5 7.5

15,700 19,700 22,000 16,400 24,100 21,700

51,000 71,000 77,500 51,500 78,500 72,000

1,610,000 2,010,000 2,240,000 1,670,000 2,460,000 2,210,000

5,200,000 7,250,000 7,900,000 5,250,000 8,000,000 7,350,000

4R17001 4R17003 4R17009 4R17004 4R17002 4R17014

F1） F1） F1） F1） F F2）

860

1,140

750

7.5

17,200

61,000

1,750,000

6,200,000

4R17202

F2）

761.43

1 Drawing details are shown in Page B-38. 2 Minimal allowable dimension for chamfer dimension r or r1.

B-76

●4-Row Cylindrical Roller Bearings

r1a ra

φDa

φda

Abutment and fillet dimensions

Mass

mm Da

ras

rlas

min

max

(approx.)

767.5 766

722 722

948 948

6 6

1,850 1,900

787.5

750

976

1,900

796

749

976

1,730

830 845

782 782

1,018 1,058

6 6

2,180 2,530

837

787

1,038

2,260

828 845 855

792 784 792

998 1,056 1,068

6 5 6

2,000 2,550 2,560

846

801.425 1,047.6

2,420

870 880

832 824

1,048 1,056

6 5

1,950 2,090

903 903 903 903 910

852 852 852 852 852

1,098 1,098 1,098 1,098 1,128

6 6 6 6 6

2,450 2,530 2,530 2,520 2,930

896

854

1,056

1,780

920

860

1,128

2,840

941 930 928 945 928 940

890 874 874 882 890 882

1,110 1,126 1,126 1,148 1,140 1,148

8 5 5 6 8 6

1,980 2,430 2,640 2,270 2,970 2,980

938

892

1,108

2,200 B-77

●4-Row Cylindrical Roller Bearings

C1 r1 r B1 φD

φd φFW

Basic load ratings static dynamic

static

d 860∼1,200mm Boundary dimensions dynamic mm

kN rs min2

860

1,160

735

710

900

1,230

895

870

920

1,280

865

1,000

1,310 1,360

1,030 1,200

rls min2

Bearing numbers

Drawing1 No.

kgf

Cor

17,800

62,500

1,810,000

6,400,000

4R17201

F1）

7.5

24,700

88,000

2,520,000

9,000,000

4R18001

FM2）

850

7.5

26,200

88,500

2,670,000

9,000,000

4R18401

880 800

9.5 7.5

23,400 25,000

88,500 85,000

2,380,000 2,550,000

9,000,000 8,650,000

4R20001 4R20002

F1） F1）

1,380

850

7.5

24,400

89,000

2,490,000

9,100,000

4R20601

F1）

1,590

1,050

7.5

36,000

133,000

3,650,000

13,600,000

4R24002

1 Drawing details are shown in Page B-38. 2 Minimal allowable dimension for chamfer dimension r or r1.

B-78

Cor

●4-Row Cylindrical Roller Bearings

r1a ra

φDa

φda

Abutment and fillet dimensions

Mass

mm Da

ras

rlas

min

max

(approx.)

940

884

1,136

2,310

985

932

1,198

3,250

1,015

952

1,248

3,560

1,080 1,090

1,040 1,032

1,270 1,328

8 6

3,260 3,530

1,124

1,062

1,348

3,800

1,295

1,232

1,558

6,220

B-79

●SL Type Cylindrical Roller Bearings

B r

φD φK

φd φJ

SL01-48 type SL01-49 type (Fixed side)

φD φM

φd φJ

SL02-48 type SL02-49 type (Free side)

d 100∼280mm Boundary dimensions mm d

rs min1

100

140

110

150

120

Basic load ratings dynamic static dynamic static kN kgf

Bearing numbers

Dimensions mm

Fixed side

Free side

41,000

SL01-4920

SL02-4920

116

125

126.5

20,600

44,000

SL01-4922

SL02-4922

125

134

135.5

480

23,100

49,000

SL01-4924

SL02-4924

138.5

148.5

150.5

262

555

26,700

56,500

SL01-4926

SL02-4926

149

160

162

1.5

272

595

27,700

60,500

SL01-4928

SL02-4928

159.5

170

172.5

40 60

1.1 2

235 410

575 865

23,900 41,500

58,500 88,000

SL01-4830 SL01-4930

SL02-4830 SL02-4930

165.5 171.5

173.5 186

175.5 189.5

2 4

200 220

40 60

1.1 2

241 425

605 935

24,600 43,500

62,000 95,000

SL01-4832 SL01-4932

SL02-4832 SL02-4932

173.5 185

182.5 199

184 203

2 4

170

215 230

45 60

1.1 2

265 435

650 980

27,000 44,500

66,500 100,000

SL01-4834 SL01-4934

SL02-4834 SL02-4934

186.5 194

196.5 208

198 211.5

3 4

180

225 250

45 69

1.1 2

275 550

695 1,230

28,000 56,000

71,000 125,000

SL01-4836 SL01-4936

SL02-4836 SL02-4936

199 206

209 222

211 225.5

3 4

190

240 260

50 69

1.5 2

315 565

785 1,290

32,000 57,500

80,000 131,000

SL01-4838 SL01-4938

SL02-4838 SL02-4938

208.5 216.5

219.5 232.5

221.5 235.5

4 4

200

250 280

50 80

1.5 2.1

320 665

825 1,500

33,000 68,000

84,000 153,000

SL01-4840 SL01-4940

SL02-4840 SL02-4940

219 232

230 250

232 253.5

4 5

220

270 300

50 80

1.5 2.1

340 695

905 1,620

34,500 70,500

92,500 165,000

SL01-4844 SL01-4944

SL02-4844 SL02-4944

240 249.5

251 267.5

253 271

4 5

240

300 320

60 80

2 2.1

510 730

1,330 1,770

52,000 74,000

136,000 181,000

SL01-4848 SL01-4948

SL02-4848 SL02-4948

261 272.5

275 290.5

276.5 294

4 5

260

320 360

60 100

2 2.1

535 1,070

1,450 2,520

54,500 109,000

148,000 257,000

SL01-4852 SL01-4952

SL02-4852 SL02-4952

283 297

297 320

300 324.5

4 6

280

350 380

69 100

2 2.1

685 1,110

1,860 2,710

69,500 114,000

189,000 277,000

SL01-4856 SL01-4956

SL02-4856 SL02-4956

308 319

324 342

327 346

4 6

Cor

1.1

194

400

19,800

1.1

202

430

165

1.1

226

130

180

1.5

140

190

150

190 210

160

1 Maximum allowable dimension for chamfer dimension r.

Cor

2 Allowable axial move.

B-80

●SL Type Cylindrical Roller Bearings

φDa

Fixed side

Abutment and fillet dimensions mm

φda

Free side

Mass (approx.) kg

da3

Da3

ras

min

max

106.5

133.5

1.95

1.9

116.5

143.5

2.15

2.1

126.5

158.5

2.95

2.85

138

172

1.5

3.95

3.8

148

182

1.5

4.2

4.1

156.5 159

183.5 201

1 2

2.9 6.65

2.8 6.45

166.5 169

193.5 211

1 2

3.05 7

2.9 6.8

176.5 179

208.5 221

1 2

4.1 7.35

3.95 7.1

186.5 189

218.5 241

1 2

4.3 10.7

4.15 10.5

198 199

232 251

1.5 2

5.65 11.2

5.45 10.9

208 211

242 269

1.5 2

5.9 15.7

5.7 15.3

228 231

262 289

1.5 2

6.4 17.1

6.2 16.6

249 251

291 309

2 2

10.2 18.4

9.9 17.9

269 271

311 349

2 2

11 32

10.6 31.2

289 291

341 369

2 2

16 33.9

15.6 33.1

Fixed side Free side

3 Use J and K dimensions for bearings operating at inclined or large axial loads.

B-81

●SL Type Cylindrical Roller Bearings

B r

φD φK

φd φJ

SL01-48 type SL01-49 type (Fixed side)

φD φM

φd φJ

SL02-48 type SL02-49 type (Free side)

d 300∼440mm Boundary dimensions mm

Basic load ratings dynamic static dynamic static kN kgf

Bearing numbers

Dimensions mm

rs min1

Cor

Fixed side

Free side

300

380 420

80 118

2.1 3

805 1,580

2,160 3,800

82,000 161,000

220,000 385,000

SL01-4860 SL01-4960

SL02-4860 SL02-4960

330 344

348 371

351 377

6 6

320

400 440

80 118

2.1 3

835 1,650

2,310 4,100

85,000 168,000

236,000 415,000

SL01-4864 SL01-4964

SL02-4864 SL02-4964

353 371

371 398

374 404

6 6

340

420 460

80 118

2.1 3

855 1,690

2,430 4,300

87,500 172,000

248,000 440,000

SL01-4868 SL01-4968

SL02-4868 SL02-4968

370 388

388 416

391 421

6 6

360

440 480

80 118

2.1 3

885 1,730

2,580 4,500

90,000 176,000

264,000 460,000

SL01-4872 SL01-4972

SL02-4872 SL02-4972

393 406

411 434

414 439

6 6

380

480 520

100 140

2.1 4

1,290 2,300

3,600 5,900

132,000 235,000

370,000 600,000

SL01-4876 SL01-4976

SL02-4876 SL02-4976

422 437

444 469

449 475

6 7

400

540

140

2,410

6,200

246,000

635,000

SL01-4980

SL02-4980

450

484

490

420

560

140

2,470

6,500

252,000

665,000

SL01-4984

SL02-4984

472

505

512

440

600

160

3,000

7,850

305,000

800,000

SL01-4988

SL02-4988

503

540

546

1 Maximum allowable dimension for chamfer dimension r.

2 Allowable axial move.

B-82

●SL Type Cylindrical Roller Bearings

φDa

Fixed side

Abutment and fillet dimensions mm

φda

Free side

Mass (approx.) kg

da3

Da3

ras

min

max

311 313

369 407

2 2.5

23 53

22.2 51.9

331 333

389 427

2 2.5

24.3 56

23.5 54.9

351 353

409 447

2 2.5

25.6 59

24.8 57.8

371 373

429 467

2 2.5

27 62

26 60.8

391 396

469 504

2 3

45.3 92.3

44 90.5

416

524

96.4

94.6

436

544

101

456

584

139

Fixed side Free side

98.6 137

3 Use J and K dimensions for bearings operating at inclined or large axial loads.

B-83

●SL Type Cylindrical Roller Bearings for Sheaves

C Cƒ

S ƒ

30˚

t B φE φD

φd φJ

d 100∼380mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

100

kN Cr

Bearing numbers

kgf Cor

Cor

150

1.5

330

580

33,500

59,500

SL04-5020NR

110

170

1.8

1.5

385

695

39,000

71,000

SL04-5022NR

120

180

1.8

1.5

400

750

41,000

76,500

SL04-5024NR

130

200

1.8

1.5

535

1,000

55,000

102,000

SL04-5026NR

140

210

1.8

1.5

600

1,120

61,000

115,000

SL04-5028NR

150

225

100

1.5

690

1,290

70,500

131,000

SL04-5030NR

160

240

109

108

720

1,390

73,500

142,000

SL04-5032NR

170

260

122

121

925

1,790

94,500

182,000

SL04-5034NR

180

280

136

135

1,090

2,140

111,000

218,000

SL04-5036NR

190

290

136

135

1,120

2,230

114,000

227,000

SL04-5038NR

200

310

150

149

1,310

2,650

133,000

270,000

SL04-5040NR

220

340

160

159

2.5

1,640

3,300

167,000

335,000

SL04-5044NR

240

360

160

159

2.5

1,710

3,550

175,000

365,000

SL04-5048NR

260

400

190

189

2.5

2,130

4,500

217,000

460,000

SL04-5052NR

280

420

190

189

2.5

2,170

4,700

221,000

475,000

SL04-5056NR

300

460

218

216

2.5

2,670

5,850

272,000

600,000

SL04-5060NR

320

480

218

216

2.5

2,720

6,100

278,000

620,000

SL04-5064NR

340

520

243

241

3.5

3,650

8,000

370,000

815,000

SL04-5068NR

360

540

243

241

3.5

3,750

8,300

380,000

845,000

SL04-5072NR

560

243

241

3.5

3,800

8,750

385,000

895,000

SL04-5076NR

380

static

Note 1. The above are greased bearings. 2. The above are treated for rust prevention. 3. The above are non contact shielded bearings. Also, contact sealed can be applied upon request.

B-84

●SL Type Cylindrical Roller Bearings for Sheaves

Cƒ1

φE1

φda

Dimensions

Abutment and fillet dimensions mm

Mass kg

E J

(approx.)

Cf11

(approx.)

118.5

156

2.5

106

180

4.03

131.5

176

2.5

116.5

200

141.5

188

126.5

210

7.5

158

208

8.5

136.5

230

11.4

167

218

8.5

146.5

245

12.1

178

233

157

260

14.6

191

248

9.5

167

275

18.2

203

270

177

300

24.6

220

290

110

12.5

187

320

110

32.3

226

300

110

12.5

197

330

110

33.7

245.5

320

120

14.5

207

350

120

43.5

260

356

130

14.5

228.5

380

130

55.5

280.5

376

130

14.5

248.5

400

130

59.5

315.5

416

154

17.5

270

445

154

90.7

325

436

154

17.5

290

465

154

96.2

363

480

176

310

510

176

137

376

500

176

330

530

176

144

406

544

194

23.5

352

580

194

421

564

194

23.5

372

600

194

203

442

584

194

23.5

392

620

194

212

1 Cf1 deviation

SL04-5020NR∼SL04-5034NR：-0.1∼ -0.5mm SL04-5036NR∼SL04-5076NR：-0.1∼ -0.7mm

B-85

●SL Type Cylindrical Roller Bearings for Sheaves

C Cƒ

S ƒ

30˚

t B φE φD

φd φJ

d 400∼440mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

Cor

400

600

272

270

3.5

4,250

9,950

435,000

1,010,000

SL04-5080NR

420

620

272

270

3.5

4,350

10,300

445,000

1,050,000

SL04-5084NR

440

650

280

278

4.5

4,500

11,000

460,000

1,120,000

SL04-5088NR

Note 1. The above are greased bearings. 2. The above are treated for rust prevention. 3. The above are non contact shielded bearings. Also, contact sealed can be applied upon request.

B-86

Cor

●SL Type Cylindrical Roller Bearings for Sheaves

Cƒ1

φE1

φda

Dimensions

Abutment and fillet dimensions mm

Mass kg

E E1

Cf11

(approx.)

412

675

210

281

432

695

210

292

456

725

210

331

(approx.)

470

626

210

486

646

210

518

676

210

1 Cf1 deviation

SL04-5080NR∼SL04-5088NR：-0.1∼ -0.7mm

B-87

Tapered Roller bearings

●Tapered Roller Bearings 1. Type, Structure and Characteristics Tapered roller bearings are designed such that their conical rollers and raceways are arranged so that all elements of the roller and race way cones meet at a common apex on the bearing axis. (Refer to Fig.1) The rolling elements perform the real rotating movement on the raceway; the synthesized force from the inner and outer ring raceways guides the rollers, pressing them to the large rib on the inner ring. Metric and inch series are considered standard and both systems are widely used.

The inner ring, rollers and cage can be separated as a unit, or the CONE, from the outer ring, or the CUP. The cup and cone are called sub-units. Sub-unit dimensions for the nominal cup small inside diameter and bearing contact angle, as shown in Fig. 2, are standardized by ISO and ABMA and are compatible between sub-units. Double row and four row bearings are available in addition to single row bearings. Models and characteristics are shown in Tables 1 and 2.

Sub-unit dimensions

2α

E : Cup small inside diameter, nominal α : Bearing contact angle, nominal Fig.1

Fig.2

Table 1 Structure and characteristics of double row tapered roller bearings Model Double row with vertex of contact angles outside of the bearing

Drawing

Nominal number 413XXX 423XXX 430XXX 432XXX CRI

Characteristics ¡These bearings are designed with one double row outer ring and two pairs of inner rings with rollers. Bearings are adjusted so that their internal clearance becomes the specified value, the parts which have the same serial numbers should be assembled according to the assembly codes. ¡These bearings support radial and axial loads. Since the cone pressure apex is wide, bearings are suitable where moment loads are applied. ¡These bearings have the same function as the back-to-back duplex arrangement of single row bearings.

Double row with vertex of contact steep angles outside of the bearing

CRI

Double row with vertex of contact angles inside of the bearing

3230XX 3231XX CRD

¡ These bearings are designed with one double row inner ring with rollers and two pairs of outer rings and an outer ring spacer. ¡ These bearings accept the radial and axial loads. Since the cone pressure apex is short, bearings are not suitable when the moment is applied. ¡Since these bearings are adjusted so that the internal clearance is the specified value (like the double row with vertex of contact angles outside of bearing) the parts which have the same serial numbers should be assembled according to the assembly codes.

CRD

¡ This bearing model has a larger and steeper contact angle than the double row with vertex of contact angles inside the bearing. These bearings are used when the axial load is large or only axials are applied. ¡ Models without an outer ring spacer and with a key groove or notch on the inner ring (refer to the drawing) are also available. Consult NTN Engineering about this bearing's fit. ¡ These bearings may be pressurized by using a spring between the housing shoulder and outer ring end.

Double row with vertex of contact steep angles inside of the bearing

¡This bearing model has a larger and steeper contact angle than the double row with vertex of contact angles outside the bearing. These bearings are used when the axial load is large. ¡Since these bearings are adjusted so that the internal clearance is a specified value (like the double row with vertex of contact angles outside of bearing) the parts which have the same serial numbers should be assembled according to the assembly codes.

B-89

●Tapered Roller Bearings

Table 2 Structure and characteristics of the four row tapered roller bearings Nominal numbers

Characteristics

Four row tapered roller bearing

6259XX 6230XX 6231XX CRO

¡These bearings are designed with two double row inner rings with rollers, one double row outer ring, two single outer ring and outer ring spacer/inner ring spacer. Bearings are adjusted so that their internal clearance becomes the specified value, the parts which have the same serial numbers should be assembled according to the assembly codes. ¡The bearing is mainly used for the roll neck of rolling mill, and designed so as to become the maximum rating load for the allowable space in the roll neck part. ¡The bearing uses the clearance-fit to make assemble and disassembley easier. For this purpose, bearings are designed with a helical groove on the inner ring bore to prevent wearing of the inner ring bore when creep occurs and uses the carbonized steel to prevent cracks on inner ring and improve the shock resistance. ¡Please consult with NTN Engineering for fitting and bearing internal clearance.

Four row tapered roller bearing enclosed type

CRO…LL

¡Bearings are designed with oil seals on both side of the bearing which is the same as the four row tapered roller bearings. ¡Please consult with NTN Engineering for fitting and bearing internal clearance.

Model

Drawing

2. Dimensional Accuracy/Rotation Accuracy

5. General Operating Cautions

Metric system bearings ⋯⋯⋯Table 3.4 (Page A-14) Inch system bearings ⋯⋯⋯⋯Table 3.5 (Page A-16)

Slippage between the balls and raceways may occur when bearings are operated under small loads, or when the ratio between axial and radial loads of the duplexed bearings exceeds the value “e,” and may cause smearing. This is most apparent when using large size tapered roller bearings due to the large cage mass. Please consult NTN Engineering for further details.

3. Recommended Fitting Metric system bearings ⋯⋯⋯Table 4.2 (Page A-24) Inch system bearings ⋯⋯⋯⋯Table 4.5, 4.6 (Page A-27)

4. Bearing Internal Clearance Metric system bearings ⋯⋯⋯Table 5.7 (Page A-32) Inch system bearings ⋯⋯⋯⋯Table 5.9 (Page A-34)

B-90

●Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Single row・Double row) index Bearing number CONE / CUP

ABMA Page Type

8573/8520

8573/8520D+A 8575/8520 8575/8520D+A 8578/8520 8578/8520D+A 29875/29820 29875/29820D+A 29880/29820 29880/29820D+A 38880/38820 38885/38820 67983/67920 67983/67920D+A 67985/67920

TDO TS TDO TS TDO TS TDO TS TDO TS TS TS TDO TS

67985/67920D+A 67989/67920 67989/67920D+A 80170/80217 80176/80217 80180/80217 80385/80325 80780/80720 87737/87111 87737/87112D+A 87750/87111 87750/87112D+A 87762/87111 87762/87112D+A 93708/93125 93750/93125 93750/93127D+A 93787/93125 93787/93727D+A 93800/93125 93800/93127D+A 93800D/93125+A 93825/93125 93825/93127D+A 94649/94113 94649/94114D+A 94687/94113 94687/94114D+A 94700/94113 94700/94114D+A 94706D/94113+A 96900/96140 96900/96140D+A 96925/96140 96925/96140D+A EE113089/113170 EE113091/113170 EE113091/113171D+A EE114080/114160

TDO TS TDO TS TS TS TS TS TS TDO TS TDO TS TDO TS TS TDO TS TDO TS TDO TDI TS TDO TS TDO TS TDO TS TDO TDI TS TDO TS TDO TS TS TDO TS

B-109 B-140 B-109 B-140 B-111 B-140 B-111 B-142 B-111 B-142 B-111 B-111 B-107 B-138 B-107 B-140 B-109 B-140 B-117 B-117 B-117 B-117 B-121 B-107 B-138 B-107 B-138 B-107 B-138 B-107 B-107 B-138 B-107 B-138 B-107 B-138 B-161 B-109 B-140 B-105 B-138 B-105 B-138 B-107 B-138 B-161 B-109 B-140 B-109 B-140 B-109 B-109 B-140 B-107

Bearing number CONE / CUP

ABMA Page Type

EE114080/114161D+A

Bearing number CONE / CUP

ABMA Page Type

TDO B-138 TS B-105 TDI B-161 TS B-111 TDO B-142 TDO B-142 TS B-111 TS B-111 TDO B-140 TDI B-161 TS B-113 TDO B-142 TS B-113 TS B-113 TDO B-144

HH231649/HH231615

EE117063/117148 EE126096D/126150+A EE126097/126150 EE126097/126151D+A EE126098/126151D+A EE126098/126150 EE127095/127135 EE127095/127136D+A EE127097D/127135+A EE128111/128160 EE128111/128160D+A EE128112/128160 EE129120X/129172 EE129120X/129120D+A

HH234031/HH234010 HH234031/HH234011D+A HH234048/HH234010 HH234048/HH234011D+A EE234156/234213D+A EE234156/234215 EE234156/234216D+A EE234160/234213D+A EE234160/234215 HM237532/HM237510 HM237532/HM237510D+A HM237535/HM237510 HM237535/HM237510D+A HM237542/HM237510

TS TDO TS TDO TDO TS TDO TDO TS TS TDO TS TDO TS

EE130902/131400 EE130902/131401D+A EE134100/134143 EE134100/134144D+A EE134102/134143 EE134102/134144D+A EE135111D/135155+A HH144642/HH144614 EE147112/147198D+A EE161300/161900 EE161300/161901D+A EE161363/161900 EE161363/161901D+A EE161400/161850 EE161400/161900 EE161400/161901D+A L163149/L163110 L163149/L163110D+A L163149D/L163110+A EE170950/171450 EE170950/171451D+A EE170975/171450 EE170975/171451D+A EE170975D/171450+A EE192150/192200 EE192150/192201D+A EE219068/219117 EE219068/219122 EE221025D/221575+A EE221026/221575 EE221026/221576D+A EE222070/222127D+A EE231400/231975 EE231400/231976D+A EE231401D/231975+A EE231462/231975 EE231462/231976D+A HH231637/HH231615 HH231649/HH231610

TS TDO TS TDO TS TDO TDI TS TDO TS TDO TS TDO TS TS TDO TS TDO TDI TS TDO TS TDO TDI TS TDO TS TS TDI TS TD0 TDO TS TDO TDI TS TDO TS TS

HM237542/HM237510D+A HM237545/HM237510 HM237545/HM237513 HM237545/HM237510D+A HM237546D/HM237510+A H238140/H238110 H238148/H238110 H239640/H239610 H239640/H239612D+A H239649/H239610 H239649/H239612 H239649/H239612D+A H239649D/H239610+A LM241149/LM241110 LM241149/LM241110D+A M241547/M241510 M241543/M241510 M241543/M241510D+A M241547/M241510D+A M241549/M241510 M241549/M241510D+A EE241701/242375 EE241701/242377D+A H242649/H242610 H242649/H242610D+A H242649D/H242610+A EE243190/243250 EE243190/243251D+A EE243192/243250 EE243192/243251D+A EE243196/243250 EE243196/243251D+A EE244180/244235 EE244180/244236D+A M244249/M244210 M244249/M244210D+A M244249D/M244210+A H244849D/H244810+A M246942/M246910

TDO TS TS TDO TDI TS TS TS TDO TS TS TDO TDI TS TDO TS TS TDO TDO TS TDO TS TDO TS TDO TDI TS TDO TS TDO TS TDO TS TDO TS TDO TDI TDI TS

B-91

B-109 B-140 B-111 B-142 B-111 B-142 B-163 B-107 B-144 B-115 B-144 B-115 B-144 B-115 B-115 B-144 B-115 B-144 B-163 B-111 B-142 B-111 B-140 B-161 B-115 B-146 B-105 B-105 B-161 B-111 B-142 B-138 B-115 B-146 B-163 B-115 B-146 B-105 B-105

B-105 B-105 B-138 B-105 B-138 B-146 B-117 B-146 B-146 B-117 B-105 B-138 B-105 B-138 B-105 B-138 B-107 B-107 B-138 B-161 B-105 B-105 B-107 B-138 B-107 B-107 B-138 B-161 B-107 B-138 B-107 B-107 B-138 B-138 B-107 B-138 B-117 B-146 B-107 B-140 B-161 B-119 B-146 B-119 B-148 B-119 B-148 B-119 B-146 B-109 B-140 B-161 B-161 B-109

●Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Single row・Double row) index Bearing number CONE / CUP

ABMA Page Type

M246949/M246910

H247535/H247510 H247535/H247510D+A H247549/H247510 H247549/H247510D+A LM247748D/LM247710+A H249148/H249111D+A M249732/M249710 M249732/M249710D+A M249734/M249710 M249734/M249710D+A M249736/M249710 M249736/M249710D+A M249748D/M249710+A M249749/M249710

TS TDO TS TDO TDI TDO TS TDO TS TDO TS TDO TDI TS

M249749/M249710D+A HH249749/HH249910D+A HH249949/HH249910 HH249949D/HH249910+A M252337/M252310 HM252343/HM252310 HM252343/HM252310D+A HM252344/HM252310D+A M252349D/M252310+A HM252348/HM252310 HM252348/HM252310D+A HM252349/HM252310D+A M252330/M252310 M252349/M252310 HH255149D/HH255110+A M255449/M255410 M255449/M255410D+A M255449D/M255410A+A HM256849/HM256810 HM256849/HM256810D+A HM256849D/HM256810+A M257149D/M257110+A M257248D/M257210+A HH258248/HH258210 HH258248/HH258210D+A LM258648D/LM258610+A HM259048/HM259010 HM259049/HM259010D+A HM259049D/HM259010+A HM261049/HM261010 HM261049/HM261010D+A HM261049D/HM261010+A M262449D/M262410+A HM262749/HM262710 HM262749/HM262710D+A HM262749D/HM262710+A HM262748/HM262710 LM263149D/LM263110+A M263349D/M263310+A

TDO TDO TS TDI TS TS TDO TDO TDI TS TDO TDO TS TS TDI TS TDO TDI TS TDO TDI TDI TDI TS TDO TDI TS TDO TDI TS TDO TDI TDI TS TDO TDI TS TDI TDI

B-109 B-107 B-138 B-109 B-140 B-161 B-140 B-109 B-140 B-109 B-140 B-109 B-140 B-161 B-111 B-142 B-142 B-111 B-161 B-111 B-111 B-142 B-142 B-161 B-111 B-142 B-142 B-109 B-113 B-161 B-113 B-144 B-163 B-113 B-144 B-163 B-163 B-163 B-113 B-144 B-163 B-115 B-144 B-163 B-115 B-144 B-163 B-163 B-115 B-144 B-163 B-115 B-163 B-163

Bearing number CONE / CUP

ABMA Page Type

HM265049/HM265010D+A

Bearing number CONE / CUP

ABMA Page Type

TDO B-146 TDI B-163 TS B-115 TS B-117 TS B-117 TS B-117 TDO B-146 TS B-117 TDO B-146 TDO B-146 TDI B-163 TS B-117 TDO B-146 TS B-117 TDO B-146

M281649D/M281610+A

TDI

HM265049D/HM265010+A HM265049/HM265010 HM266447/HM266410 HM266448/HM266410 HM266449/HM266410 HM266449/HM266410D+A HM266446/HM266410 HM266446/HM266410D+A HM266448/HM266410D+A HM266449D/HM266410+A M268730/M268710 HM268730/HM268710D+A M268749/M268710 M268749/M268710D+A

LM281849D/LM281810+A LM282549D/LM282510+A LM283649/LM283610 LM283649D/LM283649+A M284148D/M284111+A M284249D/M284210+A LM286249D/LM286210+A LM287649D/LM287610+A LM287849D/LM287810+A EE291175/291750 EE291175/291751D+A EE291200D/291750+A EE291201/291750 EE291201/291751D+A

TDI TDI TS TDI TDI TDI TDI TDI TDI TS TDO TDI TS TDO

M268749D/M268710+A M270749/M270710 M270749/M270710D+A M270749D/M270710+A LM272235/LM272210 LM272249/LM272210 LM272249/LM272210D+A LM272249D/LM272210+A M272647D/M272610+A M272749/M272710 M272749/M272710D+A M272749D/M272710+A M274149/M274110 M274149D/M274110+A LM274449D/LM274410+A EE275095/275155 EE275095/275156D+A EE275100/275155 EE275100/275156D+A EE275105/275155 EE275105/275156D+A EE275108/275155 EE275108/275156D+A EE275109D/275155+A M275349D/M275310+A M276449/M276410 M276449/M276410D+A M276449D/M276410+A M276448D/M276410+A M278749/M278710 M278749/M278710D+A M278749D/M278710+A M280049D/M280010+A M280349D/M280310+A EE280626/281200 M281049D/M281010+A L281148/L281110 L281148/L281110D+A L281149D/L281110+A

TDI TS TDO TDI TS TS TDO TDI TDI TS TDO TDI TS TDI TDI TS TDO TS TDO TS TDO TS TDO TDI TDI TS TDO TDI TDI TS TDO TDI TDI TDI TS TDI TS TDO TDI

EE291250/291750 EE291250/291751D+A EE295102/295193 EE295102/295192D+A EE295110/295193 EE295110/295192D+A EE329119D/329172+A EE333137/333197 EE333137/333203D+A EE333140/333197 EE333140/333203D+A M348449/M348410 M349549/M349510 EE350701/351687 EE350750/351687 L357049/L357010 L357049/L357010D+A LM361649/LM361610 LL365340/LL365310D+A LL365348/LL365310 LM377449/LM377410 LM377449/LM377410D+A LM377449D/LM377410+A EE380080/380190 EE380081/380190 EE420751/421437 EE420751/421451D+A EE420750D/421437+A EE420800D/421437+A EE420801/421437 EE420801/421451D+A EE426200/426330 EE426200/426331D+A EE430900/431575 EE430900/431576D+A EE435102/435165 EE435102/435165D+A HH437549/HH437510 LM446349/LM446310

TS TDO TS TDO TS TDO TDI TS TDO TS TDO TS TS TS TS TS TDO TS TDO TS TS TDO TDI TS TS TS TDO TDI TDI TS TDO TS TDO TS TDO TS TDO TS TS

B-92

B-165 B-117 B-146 B-165 B-119 B-119 B-146 B-165 B-165 B-119 B-146 B-165 B-119 B-165 B-165 B-111 B-140 B-111 B-142 B-111 B-142 B-113 B-142 B-161 B-165 B-119 B-148 B-165 B-165 B-119 B-148 B-165 B-167 B-167 B-105 B-167 B-121 B-148 B-167

B-167 B-167 B-167 B-121 B-167 B-167 B-167 B-167 B-167 B-167 B-113 B-144 B-161 B-113 B-144 B-115 B-144 B-111 B-142 B-113 B-142 B-163 B-115 B-144 B-115 B-146 B-111 B-111 B-107 B-107 B-113 B-144 B-115 B-146 B-117 B-119 B-148 B-165 B-107 B-107 B-107 B-138 B-161 B-161 B-107 B-138 B-119 B-148 B-109 B-140 B-111 B-142 B-105 B-109

●Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Single row・Double row) index Bearing number CONE / CUP LM446349/LM446310D+A

ABMA Page Type

Bearing number CONE / CUP

ABMA Page Type

TDO B-140 TS B-105 TDO B-138 TDI B-161 TS B-111 TDO B-142 TS B-111 TDO B-142 TDI B-161 TS B-117 TS B-119 TDO B-148 TS B-121 TS B-115 TDO B-144

EE655271D/655345+A

TDI

EE450601/451212 EE450601/451215D+A 450900D/451212 LM451345/LM451310 LM451345/LM451310D+A LM451349/LM451310 LM451349/LM451310D+A LM451349D/LM451310+A L467549/L467510 L476549/L476510 L476549/L476510D+A LL481448/LL481411 EE526130/526190 EE526130/526191D+A

LM665949/LM665910 LM665949/LM665910D+A M667935/M667911 M667947D/M667910+A M667948/M667910 EE671801/672873 EE671801/672875D+A 680235/680270 LL687949/LL687910 LL687949/LL687910D+A EE722110/722185 EE722110/722186D+A EE722115/722185 EE722115/722186D+A

TS TDO TS TDI TS TS TDO TS TS TDO TS TDO TS TDO

EE529091D/529157+A EE542220/542290 EE542220/542291D+A HM542948/HM542911 543085/543114 543085/543115D+A 544090/544118 544091/544118 545112/545141 545112/545142D+A LM545849/LM545810 EE547341D/547480+A L555233/L555210 L555233/L555210D+A L555249/L555210 L555249/L555210D+A LL562749/LL562710 LM565943/LM565910 LM565949/LM565910 LM565949/LM565912 LL566848/LL566810 LM567949/LM567910 L570649/L570610 EE571703/572650 EE571703/572651D+A LL575343/LL575310 LL575349/LL575310 EE626210/626321D+A EE640192/640260 EE640192/640261D+A EE649240/649310 EE649240/649311D+A EE649241D/649310+A LM654642/LM654610 LM654642/LM654610D+A LM654648D/LM654610+A LM654649/LM654610 LM654649/LM654610D+A EE655270/655345

TDI TS TDO TS TS TDO TS TS TS TDO TS TDI TS TDO TS TDO TS TS TS TS TS TS TS TS TDO TS TS TDO TS TDO TS TDO TDI TS TDO TDI TS TDO TS

EE724120/724195 EE724120/724196D+A LM742745/LM742710 LM742745/LM742710D+A LM742747/LM742710 LM742749/LM742710 LM742749/LM742710D+A LM742749D/LM742710+A EE743240/743320 EE743240/743321D+A HM746646/HM746610 HM746646/HM746610D+A EE752305/752380 EE755280/755360 EE755280/755361D+A EE755281D/755360+A EE755285/755360 EE755285/755361D+A LM757049/LM757010 M757449D/M757410+A LM761649D/LM761610+A EE763330/763410 LM763449D/LM763410+A LM767745D/LM767710+A LM767749D/LM767710+A LM769349D/LM769310+A L770847D/L770810+A L770849D/L770810+A LM770949/LM770910 LL771948/LL771911 LM772748/LM772710 LM772748/LM772710D+A LM772749D/LM772710+A EE776420/776520 EE776430/776520 LL778149/LL778110 LM778549D/LM778510+A LL788345/LL788310 LL788349/LL788310

TS TDO TS TDO TS TS TDO TDI TS TDO TS TDO TS TS TDO TDI TS TDO TS TDI TDI TS TDI TDI TDI TDI TDI TDI TS TS TS TDO TDI TS TS TS TDI TS TS

B-161 B-119 B-148 B-107 B-109 B-140 B-109 B-109 B-113 B-144 B-109 B-167 B-113 B-142 B-113 B-144 B-115 B-115 B-117 B-117 B-117 B-117 B-117 B-117 B-146 B-119 B-119 B-148 B-119 B-148 B-121 B-148 B-167 B-113 B-142 B-163 B-113 B-144 B-121

B-93

B-167 B-117 B-146 B-117 B-165 B-117 B-119 B-146 B-121 B-121 B-148 B-113 B-142 B-113 B-144 B-113 B-142 B-109 B-140 B-109 B-109 B-140 B-161 B-121 B-148 B-109 B-140 B-121 B-121 B-148 B-167 B-121 B-148 B-113 B-163 B-163 B-121 B-163 B-165 B-165 B-165 B-165 B-165 B-119 B-119 B-119 B-148 B-165 B-121 B-121 B-119 B-165 B-121 B-121

Bearing number CONE / CUP

ABMA Page Type

EE790114/790221

EE790120/790221 EE833160X/833232 EE833160XD/833232+A HH840249/HH840210 EE843220/843290 EE843220/843291D+A EE843220D/843290+A H852849/H852810 L853049/L853010 L860048/L860010 L860049/L860010 L865547/L865512 LM869448/LM869410 LM869448/LM869410D+A

TS TS TDO TS TS TDO TDI TS TS TS TS TS TS TDO

LM869449D/LM869410+A L879946/L879910 L879947/L879910 LL889049/LL889010 LL889049/LL889010D+A EE911600/912400 EE911600/912401D+A EE923095/923175 EE923095/923176D+A HH926744/HH926710 HH926744/HH926716 HH926749/HH926710 HH932132/HH932110 HH932145/HH932110 HH932145/HH932115 H936340/H936310 H936340/H936316 H936349/H936310 EE941205/941950 HH949549/HH949510 HH949549/HH949510D+A HH953749/HH953710 HH953749/HH953710D+A LM961548/LM961511D+A LM961548/LM961511 H961649/H961610 H961649/H961610D+A EE971354/972100 EE971354/972102D+A

B-113 B-115 B-117 B-165 B-107 B-119 B-148 B-165 B-113 B-113 B-115 B-115

B-115 B-117 B-146 TDI B-165 TS B-121 TS B-121 TS B-121 TDO B-148 TS B-117 TDO B-146 TS B-111 TDO B-140 TS B-105 TS B-105 TS B-105 TS B-105 TS B-105 TS B-105 TS B-105 TS B-105 TS B-105 TS B-113 TS B-109 TDO B-140 TS B-111 TDO B-142 TDO B-144 TS B-115 TS B-115 TDO B-144 TS B-115 TDO B-144

●Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Four Row) index

Bearing number CONE / CUP

ABMA Type

Page

T-8576D/8520/8520D

TQO

B-185

9974D/9920/9920D

TQO

T-46791D/46720/46721D

Bearing number CONE / CUP

ABMA Type

Page

M257248D/M257210/M257210D

TQO

B-189

B-183

LM258649D/LM258610/LM258610D

TQO

B-189

TQO

B-181

T-HM259049D/HM259010/HM259010D

TQO

B-189

T-48290D/48220/48220D

TQO

B-181

HM261049D/HM261010/HM261010DA

TQO

B-189

T-48393D/48320/48320D

TQO

B-181

M262449D/M262410/M262410DG2

TQO

B-189

T-48680D/48620/48620D

TQO

B-181

T-HM262749D/HM262710/HM262710DG2

TQO

B-189

67791D/67720/67721D

TQO

B-183

LM263149D/LM263110/LM263110D

TQO

B-191

T-67885D/67820/67820D

TQO

B-183

M263349D/M263310/M263310D

TQO

B-191

T-67986D/67920/67920D

TQO

B-183

HM265049D/HM265010/HM265010DG2

TQO

B-191

81576D/81962/81963D

TQO

B-181

HM266449D/HM266410/HM266410DG2

TQO

B-191

82681D/82620/82620D

TQO

B-183

M268749D/M268710/M268710DG2

TQO

B-193

EE126096D/126150/126151D

TQO

B-185

M270749D/M270710/M270710DG2

TQO

B-193

EE127097D/127137/127137D

TQO

B-185

LM272249D/LM272210/LM272210DG2

TQO

B-193

EE132082D/132125/132126D

TQO

B-183

M274149D/M274110/M274110DG2

TQO

B-195

EE134102D/134143/134144D

TQO

B-185

LM274449D/LM274410/LM274410D

TQO

B-195

EE135111D/135155/135156D

TQO

B-187

EE275106D/275155/275156D

TQO

B-185

L163149D/L163110/L163110D

TQO

B-191

EE275109D/275160/275161D

TQO

B-187

EE171000D/171450/171451D

TQO

B-185

M275349D/M275310/M275310DG2

TQO

B-195

EE181455D/182350/182351D

TQO

B-191

M276449D/M276410/M276410DG2

TQO

B-195

EE221027D/221575/221576D

TQO

B-185

M278749D/M278710/M278710DG2

TQO

B-195

M224749D/M224710/M224710D

TQO

B-181

LM278849D/LM278810/LM278810D

TQO

B-195

T-M231649D/M231610/M231610D

TQO

B-181

M280049D/M280010/M280010DG2

TQO

B-197

EE234161D/234215/234216D

TQO

B-191

M280349D/M280310/M280310DG2

TQO

B-197

M238849D/M238810/M238810D

TQO

B-183

EE280700D/281200/281201D

TQO

B-183

M240648D/M240611/M240611D

TQO

B-183

L281149D/L281110/L281110DG2

TQO

B-197

M241538D/M241510/M241510D

TQO

B-183

M281649D/M281610/M281610DG2

TQO

B-197

EE244181D/244235/244236D

TQO

B-193

LM281849D/LM281810/LM281810DG2

TQO

B-197

T-M244249D/M244210/M244210D

TQO

B-185

M282249D/M282210/M282210D

TQO

B-197

LM247748D/LM247710/LM247710D

TQO

B-185

M283449D/M283410/M283410D

TQO

B-199

T-M249748D/M249710/M249710D

TQO

B-185

LM283649D/LM283610/LM283610DG2

TQO

B-199

T-M252349D/M252310/M252310D

TQO

B-187

M284148D/M284111/M284110DG2

TQO

B-199

HM252349D/HM252310/HM252310D

TQO

B-185

M284249D/M284210/M284210DG2

TQO

B-199

M255449D/M255410/M255410D

TQO

B-187

M285848D/M285810/M285810D

TQO

B-199

HM256849D/HM256810/HM256810DG2

TQO

B-187

LM286249D/LM286210/LM286210DG2

TQO

B-199

M257149D/M257110/M257110D

TQO

B-187

LM287649D/LM287610/LM287610DG2

TQO

B-199

B-94

●Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Four Row) index

Bearing number CONE / CUP

ABMA Type

Page

LM288949D/LM288910/LM288910D

TQO

B-199

EE291202D/291750/291751D

TQO

EE329119D/329172/329173D

Bearing number CONE / CUP

ABMA Type

Page

LM778549D/LM778510/LM778510DG2

TQO

B-195

B-187

EE822101D/822175/822176D

TQO

B-185

TQO

B-187

EE833161D/833232/833233D

TQO

B-193

LM377449D/LM377410/LM377410DG2

TQO

B-195

EE843221D/843290/843291D

TQO

B-195

T-LM451349D/LM451310/LM451310D

TQO

B-185

T-LM869449D/LM869410/LM869410DG2

TQO

B-193

EE522126D/523087/523088D

TQO

B-195

EE911603D/912400/912401D

TQO

B-193

EE526131D/526190/526191D

TQO

B-189

EE921150D/921875/921876D

TQO

B-187

EE531201D/531300/531301XDG2

TQO

B-195

EE931170D/931250/931251XDG2

TQO

B-193

EE547341D/547480/547481DG2

TQO

B-199

EE971355D/972100/972103D

TQO

B-189

T-EE640193D/640260/640261DG2

TQO

B-193

EE649241D/649310/649311DG2

TQO

B-197

T-LM654644D/LM654610/LM654610D

TQO

B-187

T-LM654648D/LM654610/LM654610D

TQO

B-187

LM665949D/LM665910/LM665910D

TQO

B-191

EE655271D/655345/655346DG2

TQO

B-197

M667947D/M667911/M667911DG2

TQO

B-193

EE700090D/700167/700168D

TQO

B-185

EE722111D/722185/722186D

TQO

B-187

EE724121D/724195/724196DG2

TQO

B-189

EE736173D/736238/736239D

TQO

B-193

EE737179D/737260/737260D

TQO

B-193

T-LM742749D/LM742714/LM742714D

TQO

B-183

EE755280D/755360/755361DG2

TQO

B-197

EE755281D/755360/755361DG2

TQO

B-197

M757448D/M757410/M757410D

TQO

B-187

M757449D/M757410/M757410D

TQO

B-189

LM761648D/LM761610/LM761610D

TQO

B-189

LM761649D/LM761610/LM761610D

TQO

B-189

LM763449D/LM763410/LM763410DG2

TQO

B-191

LM765149D/LM765110/LM765110D

TQO

B-191

LM767745D/LM767710/LM767710DG2

TQO

B-191

LM767749D/LM767710/LM767710DG2

TQO

B-191

LM769349D/LM769310/LM769310D

TQO

B-193

L770849D/L770810/L770810DG2

TQO

B-193

LM772749D/LM772710/LM772710DA

TQO

B-195

B-95

●Single Row Tapered Roller Bearings Metric system sizes T r1

r B φd

φD

d 100∼120mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm C

rs min1

rls min1

25 24 32 39 34 46 47 47 51 73

20 20 24 32.5 29 39 39 39 35 60

1.5 1.5 2 2 3 3 4 3 4 4

1.5 1.5 1.5 1.5 2.5 2.5 3 3 3 3

25 35 43 39 53 53.5 53.5 58 81.5

25 35 43 36 50 49 49 53 77

20 26 34 30 43 41 41 36 63

1.5 2.5 2.5 3 3 4 3 4 4

110

150 170 170 200 200 240 240 240 240 240

25 38 47 41 56 54.5 54.5 63 84.5 84.5

25 38 47 38 53 50 50 57 80 80

20 29 37 32 46 42 42 38 65 65

120

165 165 180 215 215 260 260

29 29 38 43.5 61.5 59.5 59.5

29 27 38 40 58 55 55

23 23 29 34 50 46 46

100

140 140 150 150 180 180 215 215 215 215

25 25 32 39 37 49 51.5 51.5 56.5 77.5

105

145 160 160 190 190 225 225 225 225

Bearing numbers

Cor

121 97.5 170 224 258 330 410 345 355 570

206 162 281 390 335 465 500 400 435 770

12,300 9,950 17,300 22,800 26,300 33,500 41,500 35,000 36,000 58,500

21,000 16,500 28,600 39,500 34,500 47,500 51,000 40,500 44,000 78,500

32920XU 329202 32020XU 33020U 30220U 32220U 30320U 303202 31320XU 32320U

1.5 2 2 2.5 2.5 3 3 3 3

126 201 245 287 380 435 365 380 610

219 335 420 380 540 535 420 470 825

12,800 20,500 25,000 29,300 38,500 44,500 37,000 39,000 62,500

22,400 34,000 43,000 38,500 55,500 54,500 43,000 47,500 84,500

32921XA2 32021XU 33021U 30221U 32221U 30321U 303212 31321XU 32321U

1.5 2.5 2.5 3 3 4 3 4 4 3

1.5 2 2 2.5 2.5 3 3 3 3 3

127 236 288 325 420 480 400 430 705 620

226 390 500 435 605 590 465 535 970 830

13,000 24,000 29,400 33,000 43,000 49,000 40,500 44,000 72,000 63,500

23,100 39,500 51,000 44,000 62,000 60,000 47,000 54,500 98,500 84,500

32922XA2 32022XU 33022U 30222U 32222U 30322U 303222 31322XU 32322U 323222

1.5 1.5 2.5 3 3 4 3

1.5 1.5 2 2.5 2.5 3 3

162 118 245 345 460 560 465

294 205 420 470 680 695 550

16,500 12,000 25,000 35,500 47,000 57,000 47,500

30,000 20,900 43,000 48,000 69,500 71,000 56,000

32924XU 329242 32024XU 30224U 32224U 30324U 303242

1 Minimal allowable dimension for chamfer dimension r or r1.

static

2 This bearing does not incorporate the subunit dimensions.

B-96

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda φDb

When Por＜Fr use Por＝Fr For values of e, Y2 and Yo see the table below.

Abutment and fillet dimensions

min

max

Da max

min

Load center mm

Constant

Axial load factors

Mass

mm Db

ras

r1as

min

max

(approx.)

108.5 108.5 110 110 114 114 118 118 118 118

107.5 107.5 109 108 116 114 127 127 121 121

131.5 131.5 141.5 141.5 168 168 201 201 201 201

127.5 127.5 134 135 157 154 184 184 168 177

135.5 135.5 144 143 168 171 200 200 202 200

4 4 6 7 5 5 5 5 7 5

5 5 8 6.5 8 10 12.5 12.5 21.5 17.5

1.5 1.5 2 2 2.5 2.5 3 3 3 3

1.5 1.5 1.5 1.5 2 2 2.5 2.5 2.5 2.5

24.5 25 32.5 29.5 36 41.5 41.5 42 69 53

0.33 0.35 0.46 0.29 0.42 0.42 0.35 0.35 0.83 0.35

1.82 1.73 1.31 2.09 1.43 1.43 1.74 1.73 0.73 1.74

1.00 0.95 0.72 1.15 0.79 0.79 0.96 0.95 0.40 0.96

1.14 1.08 1.91 2.37 3.78 5.12 8.56 7.72 8.67 12.7

113.5 117 117 119 119 123 123 123 123

113.5 116 116 122 119 132 132 126 128

136.5 150 150 178 178 211 211 211 211

131.5 143 145 165 161 193 193 176 185

140.5 154 153 178 180 209 209 211 209

5 6 7 6 6 6 6 7 6

5 9 9 9 10 12.5 12.5 22 18.5

1.5 2 2 2.5 2.5 3 3 3 3

1.5 2 2 2 2 2.5 2.5 2.5 2.5

25 34.5 31 38 44 43.5 43.5 71.5 55

0.34 0.44 0.28 0.42 0.42 0.35 0.35 0.83 0.35

1.76 1.35 2.12 1.43 1.43 1.74 1.73 0.73 1.74

0.97 0.74 1.17 0.79 0.79 0.96 0.95 0.40 0.96

1.2 2.42 3 4.39 6.25 9.79 8.93 9.68 14.5

118.5 122 122 124 124 128 128 128 128 128

117.5 122 121 129 126 141 141 135 135 135

141.5 160 160 188 188 226 226 226 226 226

137 152 152 174 170 206 206 188 198 198

145.5 163 161 188 190 222 222 224 222 222

5 7 7 6 6 6 6 7 6 6.5

5 9 10 9 10 12.5 12.5 25 19.5 19.5

1.5 2 2 2.5 2.5 3 3 3 3 3

1.5 2 2 2 2 2.5 2.5 2.5 2.5 2.5

26.5 36.5 33.5 40 47 45.5 44 76 57.5 56

0.36 0.43 0.29 0.42 0.42 0.35 0.35 0.83 0.35 0.35

1.69 1.39 2.09 1.43 1.43 1.74 1.73 0.73 1.74 1.73

0.93 0.77 1.15 0.79 0.79 0.96 0.95 0.40 0.96 0.95

1.23 3.07 3.8 5.18 7.43 11.4 10.5 11.9 18 16.9

128.5 128.5 132 134 134 138 138

128.5 130.5 131 140 136 152 152

156.5 156.5 170 203 203 246 246

150 147.5 161 187 181 221 221

160 159.5 173 203 204 239 239

6 6 7 6 6 6 6

6 6 9 9.5 11.5 13.5 13.5

1.5 1.5 2 2.5 2.5 3 3

1.5 1.5 2 2 2 2.5 2.5

29.5 31 39 44 51.5 49 48.5

0.35 0.37 0.46 0.44 0.44 0.35 0.35

1.72 1.60 1.31 1.38 1.38 1.74 1.73

0.95 0.88 0.72 0.76 0.76 0.96 0.95

1.77 1.63 3.25 6.23 9.08 14.2 13.2

B-97

●Single Row Tapered Roller Bearings Metric system sizes T r1

r B φd

φD

d 120∼160mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm rs min1

rls min1

Bearing numbers

Cor

3 3

515 815

655 1,130

52,500 83,000

67,000 116,000

31324XU 32324U

2 2 2.5 4 4 5 5 4

1.5 2 2 3 3 4 4 4

194 142 320 375 530 650 600 895

350 252 545 505 815 830 780 1,240

19,800 14,500 32,500 38,000 54,000 66,000 61,500 91,000

36,000 25,700 55,500 51,500 83,000 84,500 79,500 126,000

32926XU 329262 32026XU 30226U 32226U 30326U 31326XU 32326

25 34 36 36 58 53 53 47 85

2 2.5 4 3 4 5 4 5 4

1.5 2 3 3 3 4 4 4 4

200 330 420 375 610 735 640 685 985

375 580 570 485 920 950 780 905 1,370

20,400 33,500 43,000 38,000 62,500 75,000 65,000 70,000 101,000

38,000 59,500 58,500 49,500 94,000 97,000 80,000 92,500 140,000

32928XU 32028XU 30228U 302282 32228U 30328U 303282 31328XU 32328

38 48 45 73 65 65 75 108

30 36 38 60 55 55 50 90

2.5 3 4 4 5 4 5 4

2 2.5 3 3 4 4 4 4

268 370 450 700 825 680 775 1,160

490 655 605 1,070 1,070 875 1,030 1,750

27,300 37,500 46,000 71,500 84,000 69,500 79,000 119,000

50,000 67,000 61,500 109,000 109,000 89,000 105,000 179,000

32930XU 32030XU 30230U 32230U 30330U 303302 31330XU 32330

38 51 48 80 68 68 114

30 38 40 67 58 58 95

2.5 3 4 4 5 4 4

2 2.5 3 3 4 4 4

276 435 525 890 915 755 1,230

520 790 720 1,420 1,200 975 1,840

28,200 44,500 53,500 90,500 93,500 77,000 126,000

53,000 80,500 73,500 145,000 122,000 99,500 188,000

32932XU 32032XU 30232U 32232U 30332U 303322 32332

120

260 260

68 90.5

62 86

42 69

4 4

130

180 180 200 230 230 280 280 280

32 32 45 43.75 67.75 63.75 72 98.75

32 30 45 40 64 58 66 93

25 26 34 34 54 49 44 78

140

190 210 250 250 250 300 300 300 300

32 45 45.75 45.75 71.75 67.75 67.75 77 107.75

32 45 42 42 68 62 62 70 102

150

210 225 270 270 320 320 320 320

38 48 49 77 72 72 82 114

160

220 240 290 290 340 340 340

38 51 52 84 75 75 121

1 Minimal allowable dimension for chamfer dimension r or r1.

static

Cor

2 This bearing does not incorporate the subunit dimensions.

B-98

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda φDb

When Por＜Fr use Por＝Fr For values of e, Y2 and Yo see the table below.

Abutment and fillet dimensions

min

max

Da max

min

Load center mm

Constant

Axial load factors

Mass

mm Db

ras

r1as

min

max

(approx.)

138 138

145 145

246 246

203 213

244 239

9 6

26 21.5

3 3

2.5 2.5

82.5 61.5

0.83 0.35

0.73 1.74

0.40 0.96

15.4 22.4

140 140 142 148 148 152 152 148

139 139 144 152 146 164 155.5 160.5

171.5 170 190 216 216 262 262 262

163.5 163.5 178 203 193 239 214.5 230

174 174 192 218 219 255 263 264

6 6 8 7 7 8 9 2.4

7 6 11 9.5 13.5 14.5 28 20

2 2 2 3 3 4 4 3

1.5 2 2 2.5 2.5 3 3 3

31.5 34 43.5 45.5 57 53.5 87.5 67.5

0.34 0.37 0.43 0.44 0.44 0.35 0.83 0.35

1.77 1.60 1.38 1.38 1.38 1.74 0.73 1.73

0.97 0.88 0.76 0.76 0.76 0.96 0.40 0.95

2.36 2.22 4.96 7.25 11.2 17.4 19 27.2

150 152 158 158 158 162 162 162 158

150 153 163 163 158 179 179 165 170.5

181.5 200 236 236 236 282 282 282 282

177 187 219 219 210 251 252 234 244

184 202 237 237 238 273 273 280 281

6 8 7 7 9 9 9 9 1.5

6 11 9.5 9.5 13.5 14.5 14.5 30 20

2 2 3 2.5 3 4 4 4 3

1.5 2 2.5 2.5 2.5 3 3 3 3

34 46 48.5 47.5 61 56.5 57 94 74.5

0.36 0.46 0.44 0.43 0.44 0.35 0.35 0.83 0.35

1.67 1.31 1.38 1.39 1.38 1.74 1.73 0.73 1.73

0.92 0.72 0.76 0.77 0.76 0.96 0.95 0.40 0.95

2.51 5.28 9.26 8.37 14.1 21.2 20.4 23 33.2

162 164 168 168 172 172 172 168

162 164 175 170 193 193 176 184

200 213 256 256 302 302 302 302

192 200 234 226 269 269 250 254

202 216 255 254 292 292 302 298

7 8 7 8 8 8 9 4.3

8 12 11 17 17 17 32 24

2 2.5 3 3 4 4 4 3

2 2 2.5 2.5 3 3 3 3

36.5 49.5 51.5 64.5 61 62.5 100 80

0.33 0.46 0.44 0.44 0.35 0.37 0.83 0.37

1.83 1.31 1.38 1.38 1.74 1.60 0.73 1.60

1.01 0.72 0.76 0.76 0.96 0.88 0.40 0.88

3.92 6.37 11.2 18.2 25.5 24.7 27.7 42

172 174 178 178 182 182 178

170.5 175 189 182 205 205 197.5

210 228 276 276 322 322 322

199 213 252 242 286 286 272

213.5 7 231 8 272 8 275 10 310 10 311 10 318.5 2.3

8 13 12 17 17 17 26

2 2.5 3 3 4 4 3

2 2 2.5 2.5 3 3 3

38.5 52.5 55.5 70 64 65.5 85

0.35 0.46 0.44 0.44 0.35 0.37 0.37

1.73 1.31 1.38 1.38 1.74 1.60 1.60

0.95 0.72 0.76 0.76 0.96 0.88 0.88

4.15 7.8 12.9 23.5 29.9 29.2 49

B-99

●Single Row Tapered Roller Bearings Metric system sizes T r1

r B φd

φD

d 170∼220mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

static

Bearing numbers

rs min1

rls min1

Cor

30 43 43 71 62 62 100

2.5 3 5 5 5 4 4

2 2.5 4 4 4 4 4

286 500 610 1,000 1,010 845 1,310

560 895 845 1,600 1,320 1,100 1,940

29,200 51,000 62,000 102,000 103,000 86,000 133,000

57,000 91,000 86,500 163,000 135,000 113,000 198,000

32934XU 32034XU 30234U 32234U 30334U 303342 32334

45 64 52 86 75 126

34 48 43 71 64 106

2.5 3 5 5 4 4

2 2.5 4 4 4 4

350 645 630 1,030 910 1,440

700 1,170 890 1,690 1,190 2,150

36,000 66,000 64,000 105,000 93,000 147,000

71,500 119,000 91,000 172,000 121,000 219,000

32936XU 32036XUE1 30236U 32236U 30336 32336

45 45 64 60 97 97 86 140

45 42 64 55 92 92 78 132

34 36 48 46 75 75 65 109

2.5 2.5 3 5 5 4 5 5

2 2.5 2.5 4 4 4 5 5

355 280 655 715 1,150 1,000 935 1,590

710 525 1,210 1,000 1,850 1,670 1,200 2,390

36,000 28,600 67,000 73,000 117,000 102,000 95,000 162,000

72,000 53,500 124,000 102,000 189,000 171,000 123,000 244,000

32938XU 329382 32038XUE1 30238U 32238U 322382 30338 32338

200

280 310 360 360 360 420 420

51 70 64 104 104 89 146

51 70 58 98 98 80 138

39 53 48 82 82 67 115

3 3 5 5 4 5 5

2.5 2.5 4 4 4 5 5

485 800 785 1,320 1,150 1,050 1,740

895 1,470 1,110 2,130 1,970 1,370 2,650

49,000 81,500 80,000 134,000 118,000 107,000 178,000

91,000 149,000 113,000 217,000 201,000 140,000 270,000

32940XUE1 32040XUE1 30240U 32240U 322402 30340 32340

220

300 300 340 400 400 460 460

51 51 76 72 114 97 154

51 48 76 65 108 88 145

39 41 57 54 90 73 122

3 2.5 4 4 4 5 5

2.5 2.5 3 4 4 5 5

480 345 920 815 1,390 1,260 2,020

950 670 1,690 1,220 2,410 1,690 3,050

49,000 35,500 94,000 83,000 142,000 129,000 206,000

97,000 68,500 173,000 124,000 246,000 172,000 315,000

32944XUE1 32944E12 32044XU 30244 32244 30344 32344

170

230 260 310 310 360 360 360

38 57 57 91 80 80 127

38 57 52 86 72 72 120

180

250 280 320 320 380 380

45 64 57 91 83 134

190

260 260 290 340 340 340 400 400

1 Minimal allowable dimension for chamfer dimension r or r1.

Cor

2 This bearing does not incorporate the subunit dimensions.

B-100

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda φDb

When Por＜Fr use Por＝Fr For values of e, Y2 and Yo see the table below.

Abutment and fillet dimensions

min

max

Da max

min

mm Db

ras

r1as

min

max

Load center mm

Constant

Axial load factors

Mass

(approx.)

182 184 192 192 192 192 188

183 187 203 201 221 221 209

220 248 292 292 342 342 342

213 230 266 258 303 303 287

222 249 288 293 329 332 336

7 10 8 10 10 10 1.5

8 14 14 20 18 18 27

2 2.5 4 4 4 4 3

2 2 3 3 3 3 3

42.5 56 60.5 75 68 69.5 89.5

0.38 0.44 0.44 0.44 0.35 0.37 0.37

1.57 1.35 1.38 1.38 1.74 1.60 1.60

0.86 0.74 0.76 0.76 0.96 0.88 0.88

4.4 10.5 17 28.7 35.3 34.8 56.5

192 194 202 202 198 198

193 199 211 204 227.5 221

240 268 302 302 362 362

225 247 274 267 314 305

241 267 297 305 345 357

8 10 9 10 1.5 2.4

11 16 14 20 19 28

2 2.5 4 4 3 3

2 2 3 3 3 3

54 59.5 63 77.5 72.5 95

0.48 0.42 0.45 0.45 0.37 0.37

1.25 1.42 1.33 1.33 1.60 1.60

0.69 0.78 0.73 0.73 0.88 0.88

6.54 14.5 17.7 30.7 38.9 67.8

202 202 204 212 212 212 212 212

204 204 209 228 216 216 242 233.5

250 248 278 322 322 322 378 378

235 235 257 295 282 286 335 320

251 251 279 316 323 323 366.5 373.5

8 8 10 9 11 11 2.3 1.5

11 9 16 14 22 22 21 31

2 2 2.5 4 4 4 4 4

2 2 2 3 3 3 4 4

55 48.5 62.5 64 82 87.5 74.5 100

0.48 0.37 0.44 0.44 0.44 0.49 0.37 0.37

1.26 1.60 1.36 1.38 1.38 1.23 1.60 1.60

0.69 0.88 0.75 0.76 0.76 0.68 0.88 0.88

6.77 6.43 15.1 20.8 36.1 33.3 43.5 76.9

214 214 222 222 222 222 222

214 221 242 230 230 252.5 243.5

268 298 342 342 342 398 398

254 273 311 298 302 350 335

271 297 336 340 344 382.5 391.5

9 11 10 11 11 5.3 3.2

12 17 16 22 22 22 31

2.5 2.5 4 4 4 4 4

2 2 3 3 3 4 4

53.5 66.5 70 85 91.5 77 105

0.39 0.43 0.44 0.41 0.49 0.37 0.37

1.52 1.39 1.38 1.48 1.23 1.60 1.60

0.84 0.77 0.76 0.81 0.68 0.88 0.88

8.88 19.3 25.4 43.6 43.6 51.5 88.8

234 234 238 238 238 242 242

234 235 243 263 255 276.5 267.5

288 288 326 382 382 438 438

271 274 300 334 323 383 371

290 290 326 368 380.5 418.5 431

10 10 12 3.4 4.4 4.2 1.5

12 10 19 18 24 24 32

2.5 2.5 3 3 3 4 4

2 2 2.5 3 3 4 4

59.5 57 72.5 82 102 86.5 112

0.43 0.39 0.43 0.49 0.49 0.37 0.37

1.41 1.55 1.39 1.23 1.23 1.60 1.60

0.78 0.85 0.77 0.68 0.68 0.88 0.88

10.2 9.63 25 34.7 59.9 66.7 112.8

B-101

●Single Row Tapered Roller Bearings Metric system sizes T r1

r B φd

φD

d 240∼380mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

Bearing numbers

rls min1

Cor

3 4 4 4 5 5

2.5 3 4 4 5 5

490 930 975 1,700 1,480 2,330

1,000 1,760 1,480 2,750 2,000 3,600

50,000 95,000 99,500 174,000 151,000 238,000

102,000 179,000 151,000 280,000 204,000 365,000

32948XUE1 32048XU 30248 32248 30348 32348

48 65 67 106

3 5 5 5

2.5 4 5 5

705 1,200 1,170 1,880

1,430 2,270 1,810 3,350

72,000 123,000 119,000 192,000

146,000 231,000 185,000 340,000

32952XUE1 32052XU 30252 32252

63.5 87 80 130 175

48 65 67 106 145

3 5 5 5 6

2.5 4 5 5 6

725 1,220 1,240 1,980 3,250

1,520 2,350 1,910 3,500 5,250

74,000 125,000 126,000 202,000 335,000

155,000 240,000 195,000 355,000 535,000

32956XUE1 32056XU 30256 32256 32356

76 100 96 149

76 100 85 140

57 74 71 115

4 5 5 5

3 4 5 5

1,010 1,490 1,420 2,300

2,090 2,830 2,220 4,100

103,000 152,000 145,000 235,000

213,000 289,000 226,000 420,000

32960XUE1 32060XU 30260 32260

320

440 440 480 580 580

76 76 100 104 159

76 72 100 92 150

57 63 74 75 125

4 3 5 5 5

3 3 4 5 5

1,010 865 1,520 1,660 2,620

2,150 1,880 2,940 2,580 4,650

103,000 88,000 155,000 170,000 267,000

219,000 192,000 300,000 263,000 470,000

32964XUE1 32964E12 32064XU 30264 32264

340

460 460 520

76 76 112

76 72 106

57 63 90

4 3 5

3 3 5

1,040 910 1,650

2,270 1,980 3,150

106,000 93,000 169,000

232,000 201,000 320,000

32968XUE1 32968E12 32068

360

480 540

76 112

76 106

57 90

4 5

3 5

1,050 1,740

2,330 3,300

107,000 178,000

238,000 340,000

32972XUE1 32072

380

520 560

87 112

82 106

72 90

4 5

1,140 1,920

2,500 3,800

116,000 196,000

255,000 390,000

32976 32076

240

320 360 440 440 500 500

51 76 79 127 105 165

51 76 72 120 95 155

39 57 60 100 80 132

260

360 400 480 480

63.5 87 89 137

63.5 87 80 130

280

380 420 500 500 580

63.5 87 89 137 187

300

420 460 540 540

rs min1

static

1 Minimal allowable dimension for chamfer dimension r or r1.

Cor

2 This bearing does not incorporate the subunit dimensions.

B-102

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda φDb

When Por＜Fr use Por＝Fr For values of e, Y2 and Yo see the table below.

Abutment and fillet dimensions

min

max

Da max

min

mm Db

ras

r1as

min

max

Load center mm

Constant

Axial load factors

Mass

(approx.)

254 258 258 258 262 262

254 261 290 277.5 301 291

308 346 422 422 478 478

290 318 368 365 417 402

311 346 408 421.5 456 467

10 12 3.9 4.1 8.1 1.5

12 19 19 27 25 33

2.5 3 3 3 4 4

2 2.5 3 3 4 4

65.5 78 91 107 94 120.5

0.46 0.46 0.49 0.43 0.37 0.37

1.31 1.31 1.23 1.39 1.60 1.60

0.72 0.72 0.68 0.77 0.88 0.88

10.9 26.8 47.7 78.8 87.2 141.9

274 282 282 282

279 287 312 302

348 382 458 458

325 352 396 385

347 383 438.5 453

11 14 4.2 2.9

15 22 22 31

2.5 4 4 4

2 3 4 4

69.5 85.5 99.5 121.5

0.41 0.43 0.49 0.49

1.48 1.38 1.23 1.23

0.81 0.76 0.68 0.68

18.8 39.4 63.4 103.6

294 302 302 302 308

298 305 331 318 340.5

368 402 478 478 552

344 370 422 405 469.5

368 402 464.5 473 540.5

11 14 5.9 6.4 3.4

15 22 22 31 42

2.5 4 4 4 5

2 3 4 4 5

75 90.5 102 123.5 137.5

0.43 0.46 0.49 0.49 0.37

1.39 1.31 1.23 1.23 1.60

0.76 0.72 0.68 0.68 0.88

20 41.8 66.6 110 222

318 322 322 322

324 329 356 345

406 442 518 518

379 404 453 438

405 439 498 511.5

13 15 4.9 2.6

19 26 25 34

3 4 4 4

2.5 3 4 4

80 98 111 135.5

0.39 0.43 0.49 0.49

1.52 1.38 1.23 1.23

0.84 0.76 0.68 0.68

31.4 57.2 84.3 138.7

338 338 342 342 342

344 344 344.5 379 369

426 426 462 558 558

398 398 418.5 485 473

426 425 463 531.5 551

13 13 15 4.7 3.9

19 13 26 29 34

3 3 4 4 4

2.5 2.5 3 4 4

85 85 104 118.5 142

0.42 0.39 0.46 0.47 0.47

1.44 1.55 1.31 1.27 1.27

0.79 0.85 0.72 0.70 0.70

33.1 33.2 60.2 103.9 172.1

358 358 362

362 362 374

446 446 498

417 414 452

446 445.5 496

13 13 3.5

19 13 22

3 3 4

2.5 2.5 4

90.5 87 103.5

0.44 0.39 0.37

1.37 1.55 1.60

0.75 0.85 0.88

34.9 36 78.7

378 382

381 393.5

466 518

436 476

466 519

13 5.5

19 22

3 4

2.5 4

96.5 106

0.46 0.37

1.31 1.60

0.72 0.88

36.6 83.7

398 402

408 412.5

502 538

464.5 495

503 539

4 6.5

15 22

3 4

101 109.5

0.40 0.37

1.49 1.60

0.82 0.88

51.3 89.3

B-103

●Single Row Tapered Roller Bearings Metric system sizes T r1

r B φd

φD

d 400∼850mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

mm rs min1

rls min1

Bearing numbers

Cor

4 5

1,200 2,180

2,710 4,250

122,000 222,000

276,000 435,000

32980 32080

4 6

4 5

1,230 2,280

2,840 4,550

125,000 233,000

290,000 465,000

32984 32084

82 104

4 6

1,600 2,530

3,450 5,000

164,000 258,000

355,000 510,000

32988 32088

82 140

72 120

4 7.5

1,330 3,100

3,300 6,950

141,000 315,000

335,000 705,000

CR-10010 ☆CR-10024

100

1,540

3,800

157,000

385,000

CR-10601

695

2.5

865

2,080

88,000

212,000

CR-11402

600

870

118

111

2,870

5,700

292,000

580,000

CR-12006

720

880

1,300

3,450

132,000

350,000

CR-14403

740

900

1,370

3,700

140,000

375,000

CR-14803

750

1,000

110

107

2,620

5,800

267,000

590,000

CR-15002

780

925

2,120

6,600

216,000

675,000

CR-15602

850

1,120

118

112

2,880

7,100

294,000

720,000

CR-17001

400

540 600

87 125

82 118

71 100

4 5

420

560 620

87 125

82 118

71 100

440

600 650

100 130

95 122

500

640 750

87.36 150

530

670

570

static

Cor

1 Minimal allowable dimension for chamfer dimension r or r1. 2 This bearing does not incorporate the subunit dimensions. Remarks: 1. Bearing numbers marked ☆ designate bearing with hollow rollers and pin type cages.

B-104

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda φDb

When Por＜Fr use Por＝Fr For values of e, Y2 and Yo see the table below.

Abutment and fillet dimensions

mm Db

ras

r1as

min

max

3 4

Load center mm

Constant

Axial load factors

Mass

106 119

0.42 0.37

1.43 1.60

0.79 0.88

54 115

min

max

418 422

427 434.5

522 578

482 526

521.5 575

4 5

438 422

445.5 455.5

542 598

501.5 549

543 598

3.5 6.5

16 25

3 4

111.5 120

0.44 0.37

1.37 1.60

0.76 0.88

56.6 121

458 468

472.5 475

582 622

543 576.5

580.5 627.5

3.5 5

18 26

3 5

106 127

0.35 0.37

1.70 1.60

0.93 0.88

76 136

518 536

523.5 566.5

622 714

584.5 658.5

627.5 722.5

3.5 1.5

15 30

3 6

125 154

0.45 0.41

1.34 1.48

0.74 0.81

64.3 224

552

648

616.5

653

1.5

111

0.33

1.80

0.99

76.2

584

598.5

683

652.5

675.5

2.5

102.5

0.36

1.67

0.92

41.7

628

656

842

782.5

828

1.5

147

0.37

1.60

0.88

208

742

757

858

818

853.5

5.5

158.5

0.46

1.31

0.72

762

775.5

878

839

877.5

159

0.46

1.31

0.72

778

801.5

972

915

954

155

0.37

1.60

0.88

210

802

810

903

873.5

907

9.5

137.5

0.33

1.80

0.99

115

878

920.5

1,092

1,026.5

1,063

8.5

154.5

0.33

1.80

0.99

276

max

min

16 25

B-105

(approx.)

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 114.300∼174.625mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

114.300

273.050 279.400

120.650

kN B

82.550 82.550

273.050

82.550

127.000

295.275 304.800

static kgf

Cor

53.975 53.975

760 760

975 975

77,500 77,500

99,500 99,500

82.550

53.975

760

975

77,500

99,500

82.550 88.900

87.312 82.550

57.150 57.150

880 820

1,190 1,120

89,500 83,500

122,000 115,000

139.700

288.925 295.275 307.975

82.550 82.550 88.900

87.312 87.312 93.662

57.150 57.150 66.675

880 880 1,010

1,190 1,190 1,390

89,500 89,500 103,000

122,000 122,000 142,000

146.050

304.800 311.150

88.900 88.900

82.550 82.550

57.150 57.150

820 820

1,120 1,120

83,500 83,500

115,000 115,000

152.400

307.975 307.975

88.900 88.900

93.662 93.662

61.912 66.675

880 1,010

1,310 1,390

89,500 103,000

133,000 142,000

155.575

330.200 342.900

85.725 85.725

79.375 79.375

53.975 53.975

875 875

1,260 1,260

89,000 89,000

129,000 129,000

158.750

304.800

66.675

69.106

42.862

540

780

55,000

79,500

160.325

288.925

63.500

47.625

680

1,070

69,000

109,000

161.925

374.650

87.312

79.375

60.325

845

1,140

86,500

117,000

165.100

288.925 288.925 311.150 336.550

63.500 63.500 82.550 92.075

63.500 63.500 82.550 95.250

47.625 47.625 65.088 69.850

550 680 925 1,060

950 1,070 1,480 1,510

56,000 69,000 94,500 108,000

97,000 109,000 151,000 154,000

168.275

330.200

85.725

79.375

53.975

875

1,260

89,000

129,000

174.625

288.925 288.925 298.450 311.150 311.150

63.500 63.500 82.550 82.550 82.550

47.625 47.625 63.500 63.500 65.088

550 680 810 810 925

950 1,070 1,330 1,330 1,480

56,000 69,000 83,000 83,000 94,500

97,000 109,000 136,000 136,000 151,000

Cor

Remarks: 1. With regard to the chamfer dimensions on the back face of the inner and outer rings, installation dimensions ras and r1as are larger than the maximum value.

B-106

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

(approx.)

Axial load factors

Mass kg

max

T-HH926744/HH926710 T-HH926744/HH926716

164 164

147 147

230 233

253 253

6.4 6.4

6.6 6.6

0.63 0.63

0.95 0.95

0.52 0.52

22.2 23.5

T-HH926749/HH926710

168

147

230

253

6.4

6.6

0.63

0.95

0.52

21.7

T-HH231637/HH231615 T-HH932132/HH932110

174 182

150 172

258 260

264 288

13.5 6.4

6.4 6.4

26.7 –1.9

0.32 0.73

1.88 0.82

1.04 0.45

27.1 32.8

T-HH231649/HH231610 T-HH231649/HH231615 T-HH234031/HH234010

177 177 180

161 161 168

255 258 276.1

264 264 285.5

9.7 9.7 9.7

6.4 6.4 6.8

26.7 26.7 26.7

0.32 0.32 0.33

1.88 1.88 1.84

1.04 1.04 1.01

24.4 25.8 30.9

T-HH932145/HH932110 T-HH932145/HH932115

195 195

174 174

260 262

288 288

6.4 6.4

–1.9 –1.9

0.73 0.73

0.82 0.82

0.45 0.45

30.6 32.2

T-EE450601/451212 T-HH234048/HH234010

189 191

177 179

269 276

275 285

9.7 9.7

6.8 6.8

28.2 26.4

0.33 0.33

1.84 1.84

1.01 1.01

29.4 29.4

T-H936340/H936310 T-H936340/H936316

209 209

193 193

282 287

311 311

6.4 6.4

–16.9 –16.9

0.81 0.81

0.74 0.74

0.41 0.41

34.9 38.4

EE280626/281200

192

180

279

282

6.4

3.3

12.5

0.36

1.67

0.92

20.8

T-HM237532/HM237510

192

181

266

271

3.3

11.6

0.32

1.88

1.04

16.0

EE117063/117148

207

197

322

341

6.4

3.3

–11.5

0.71

0.85

0.47

47.9

T-94649/94113 T-HM237535/HM237510 T-H238140/H238110 T-HH437549/HH437510

197 195 198 196

186 184 188 196

259 266 280 297

272 271 289 308

7 7 6.4 3.3

3.3 3.3 6.4 6.4

0.9 11.6 18.8 21.4

0.47 0.32 0.33 0.37

1.28 1.88 1.81 1.62

0.70 1.04 1.00 0.89

17.1 15.6 27.5 36.6

T-H936349/H936310

218

193

282

311.4

6.4

–16.9

0.81

0.74

0.41

33.2

T-94687/94113 T-HM237542/HM237510 T-EE219068/219117 T-EE219068/219122 T-H238148/H238110

204 202 204 204 205

193 191 193 193 195

259 266 269 275 280

272 271 282 282 289

7 7 6.4 6.4 6.4

3.3 3.3 6.4 6.4 6.4

0.9 11.6 15.3 15.3 18.8

0.47 0.32 0.38 0.38 0.33

1.28 1.88 1.59 1.59 1.81

0.70 1.04 0.87 0.87 1.00

14.7 14.7 21.1 23.9 23.9

1 "−" means that load center at outside on end of inner ring.

B-107

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 177.800∼206.375mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

static kgf

Cor

288.925 288.925 ※289.974 319.964 428.625

63.500 63.500 63.500 88.900 106.362

63.500 63.500 63.500 85.725 95.250

47.625 47.625 48.000 65.088 61.912

550 680 680 930 1,190

950 1,070 1,070 1,400 1,610

56,000 69,000 69,000 94,500 122,000

97,000 109,000 109,000 142,000 165,000

※179.975

317.500

63.500

46.038

615

1,160

63,000

118,000

187.325

282.575 319.964 320.675

50.800 88.900 88.900

47.625 85.725 85.725

36.512 65.088 65.088

365 925 925

615 1,400 1,400

37,000 94,500 94,500

63,000 142,000 142,000

190.500

282.575 317.500 336.550 365.049 428.625

50.800 63.500 98.425 92.075 106.362

47.625 63.500 95.250 88.897 95.250

36.512 46.038 73.025 63.500 61.912

365 615 1,030 975 1,190

615 1,160 1,830 1,600 1,610

37,000 63,000 105,000 99,500 122,000

63,000 118,000 187,000 164,000 165,000

193.675

282.575

50.800

47.625

36.512

365

615

37,000

63,000

200.025

292.100 317.500 384.175 393.700

57.945 63.500 112.712 111.125

46.038 46.038 90.488 84.138

535 615 1,460 1,340

1,030 1,160 2,730 2,020

54,500 63,000 149,000 137,000

105,000 118,000 279,000 206,000

203.200

276.225 282.575 292.100 317.500 346.075 365.049 406.400 482.600

42.862 46.038 57.945 63.500 79.375 92.075 92.075 117.475

42.862 46.038 57.945 63.500 80.962 88.897 85.725 95.250

34.133 36.512 46.038 46.038 60.325 63.500 57.150 73.025

340 360 535 615 900 975 960 1,310

690 785 1,030 1,160 1,460 1,600 1,480 1,860

35,000 37,000 54,500 63,000 92,000 99,500 98,000 134,000

70,500 80,000 105,000 118,000 149,000 164,000 151,000 190,000

204.788

292.100

57.945

46.038

535

1,030

54,500

105,000

206.375

282.575 336.550 482.600

46.038 98.425 117.475

46.038 100.012 95.250

36.512 77.788 73.025

360 1,110 1,310

785 2,030 1,860

37,000 113,000 134,000

80,000 207,000 190,000

177.800

Remarks: 1. With regard to the chamfer dimensions on the back face of the inner and outer rings, installation dimensions ras and r1as are larger than the maximum value. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-108

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

Axial load factors

Mass kg

max

(approx.)

T-94700/94113 T-HM237545/HM237510 T-HM237545/HM237513 T-H239640/H239610 EE350701/351687

207 205 205 202 230

195 194 194 198 221

259 266 267 293 365

272 271 272 301 383

7 7 7 3.5 6.4

3.3 3.3 3 4.8 6.4

0.9 11.6 11.6 22.3 –13.8

0.47 0.32 0.32 0.32 0.76

1.28 1.88 1.88 1.88 0.79

0.70 1.04 1.04 1.04 0.43

14.4 14.4 14.6 30.2 77.7

T-93708/93125

209

204

286

300

3.5

3.3

–7.9

0.52

1.15

0.63

19.0

T-87737/87111 T-H239649/H239610 T-H239649/H239612

207 214 214

201 205 205

261 293 293

267 301 301

3.5 5.5 5.5

3.3 4.8 4.8

–3.8 22.3 22.3

0.42 0.32 0.32

1.44 1.88 1.88

0.79 1.04 1.04

10.9 28.7 28.9

T-87750/87111 T-93750/93125 T-HH840249/HH840210 T-EE420751/421437 EE350750/351687

209 218 234 227 240

203 212 216 218 237

261 286 290 329 365

267 300 318 334 383

3.5 4.3 6.4 6.4 6.4

3.3 3.3 6.4 3.3 6.4

–3.8 –7.9 5.4 15.4 –13.9

0.42 0.52 0.58 0.40 0.76

1.44 1.15 1.04 1.49 0.79

0.79 0.63 0.57 0.82 0.43

10.6 17.9 36.4 42.9 75.3

T-87762/87111

211

206

261

267

3.5

3.3

–3.8

0.42

1.44

0.79

10.3

T-M241543/M241510 T-93787/93125 T-H247535/H247510 HH144642/HH144614

219 225 241 235

215 219 231 226

272 286 346 352

279 300 362 357

3.5 4.3 6.4 6.4

3.3 3.3 6.4 6.4

4.7 –7.9 28.1 35.1

0.33 0.52 0.33 0.30

1.80 1.15 1.80 2.01

0.99 0.63 0.99 1.11

11.5 18.3 53.0 55.9

LM241149/LM241110 T-67983/67920 T-M241547/M241510 T-93800/93125 T-HM542948/HM542911 T-EE420801/421437 EE114080/114160 ☆T-EE380080/380190G2

220 222 221 227 224 230 246 262

214.1 216 217 222 224 227 237 256

260 260 272 286 315 329 349 402

267 275 279 300 322 334.4 374 428

3.5 3.5 3.5 4.3 1.5 3.3 6.4 6.4

3.3 3.3 3.3 3.3 3.3 3.3 6.4 6.4

–2.1 –15.9 4.7 –7.9 9 15.4 –27.9 –34.3

0.32 0.51 0.33 0.52 0.39 0.40 0.80 0.87

1.88 1.18 1.80 1.15 1.55 1.49 0.75 0.69

1.04 0.65 0.99 0.63 0.85 0.82 0.41 0.38

6.56 7.76 11.2 16.5 28.8 40.7 54.8 108

T-M241549/M241510

223

219

272

279

3.5

3.3

4.7

0.33

1.80

0.99

11.0

T-67985/67920 T-H242649/H242610 ☆T-EE380081/380190G2

224 231 264

219 227 258

260 306 402

275 318 428

3.5 3.3 6.4

3.3 3.3 6.4

–15.9 25.4 –34.3

0.51 0.33 0.87

1.18 1.80 0.69

0.65 0.99 0.38

8.4 32.1 107

1 "−" means that load center at outside on end of inner ring.

B-109

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 209.550∼237.330mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

209.550

282.575 317.500

212.725

kN Cr

static kgf

46.038 63.500

36.512 46.038

360 615

785 1,160

37,000 63,000

80,000 118,000

285.750

46.038

34.925

380

820

38,500

83,500

215.900

285.750 290.010

46.038 31.750

34.925 22.225

380 206

820 405

38,500 21,100

83,500 41,000

216.408

285.750

46.038

49.212

34.925

380

820

38,500

83,500

220.662

314.325

61.912

49.212

625

1,220

63,500

125,000

228.397

431.800

92.075

85.725

49.212

855

1,240

87,000

126,000

228.460

431.800

92.075

85.725

49.212

855

1,240

87,000

126,000

228.600

300.038 327.025 355.600 355.600 355.600 358.775 400.050 488.950

33.338 52.388 68.262 69.850 69.850 71.438 88.900 123.825

31.750 52.388 66.675 69.850 69.850 71.438 87.312 111.125

23.812 36.512 47.625 49.212 50.800 53.975 63.500 73.025

215 475 640 715 720 815 945 1,570

435 950 1,270 1,260 1,240 1,640 1,620 2,260

22,000 48,500 65,500 73,000 73,500 83,000 96,500 161,000

44,500 97,000 130,000 128,000 127,000 168,000 166,000 231,000

231.775

300.038 336.550 358.775

33.338 65.088 71.438

31.750 65.088 71.438

23.812 50.800 53.975

215 710 815

435 1,410 1,640

22,000 72,500 83,000

44,500 144,000 168,000

234.950

311.150 314.325 327.025 355.600 381.000 384.175

46.038 49.212 52.388 68.262 74.612 112.712

46.038 49.212 52.388 66.675 74.612 112.712

33.338 36.512 36.512 47.625 57.150 90.488

405 470 475 640 885 1,460

820 935 950 1,270 1,790 2,730

41,500 48,000 48,500 65,500 90,500 149,000

83,500 95,500 97,000 130,000 183,000 279,000

237.330

336.550 358.775

65.088 71.438

50.800 53.975

710 815

1,410 1,640

72,500 83,000

144,000 168,000

Cor

B-110

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

Axial load factors

Mass kg

max

T-67989/67920 T-93825/93125

227 233

221 227

260 286

275 300

3.5 4.3

3.3 3.3

–15.9 –7.9

0.51 0.52

1.18 1.15

0.65 0.63

7.23 15.8

T-LM742745/LM742710

230

225

266

279

3.5

3.3

–14.2

0.48

1.25

0.69

7.33

T-LM742749/LM742710 543085/543114

233 232

227 226

266 272

279 276

3.5 3.5

3.3 3.3

–14.2 –12.5

0.48 0.38

1.25 1.58

0.69 0.87

7.05 5.20

T-LM742747/LM742710

233

227

266

279

3.5

3.3

–14.2

0.48

1.25

0.69

7.40

T-M244249/M244210

245

235

293

300

6.4

3.3

4.4

0.33

1.80

0.99

13.6

EE113089/113170

274

267

375

397

6.4

–40.3

0.88

0.68

0.37

59.4

EE113091/113170

274

267

375

397

6.4

–40.3

0.88

0.68

0.37

59.4

244 255 260 257 258 256 271 297

240 244 249 247 248 251 253 280

282 305 318 329 324 335 360 416

287 313 334 330 338.7 343 364 456

3.5 6.4 7 6.8 6.4 3.5 10.5 6.4

3.3 3.3 3.3 1.5 6.4 3.3 3.3 6.4

–15.8 –7.8 –16.9 9.9 –6 6.9 2.8 –39.9

0.40 0.41 0.59 0.33 0.47 0.33 0.44 0.94

1.49 1.48 1.02 1.82 1.27 1.80 1.36 0.64

0.82 0.81 0.56 1.00 0.70 0.99 0.75 0.35

6.05 12.5 24.3 22.7 22.7 23.9 46.0 111

T-544091/544118 T-M246942/M246910 T-M249734/M249710

247 258 263

243 249 254

282 313 335

287 322 343

3.5 6.4 6.4

3.3 3.3 3.3

–15.8 4.7 6.9

0.40 0.33 0.33

1.49 1.80 1.80

0.82 0.99 0.99

5.81 16.9 23.4

LM446349/LM446310 T-LM545849/LM545810 T-8575/8520 T-96925/96140 T-M252330/M252310 T-H247549/H247510

252 252 259 265 271 269

246 246 248 254 261 259

294 296 305 318 356 346

301 306 313 334 364 362

3.5 3.5 6.4 7 6.4 6.4

3.3 3.3 3.3 3.3 3.3 6.4

–6.6 –8.4 –7.8 –16.9 6.2 28.1

0.36 0.40 0.41 0.59 0.33 0.33

1.66 1.51 1.48 1.02 1.80 1.80

0.91 0.83 0.81 0.56 0.99 0.99

8.38 9.38 11.9 22.5 29.3 45.5

T-M246949/M246910 T-M249736/M249710

262 267

253 258

313 335

322 343

6.4 6.4

3.3 3.3

4.7 6.9

0.33 0.33

1.80 1.80

0.99 0.99

16.2 22.6

T-544090/544118 T-8573/8520 T-96900/96140 T-EE130902/131400 HM746646/HM746610 T-M249732/M249710 EE430900/431575 ☆T-HH949549/HH949510G2

1 "−" means that load center at outside on end of inner ring.

B-111

(approx.)

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 241.300∼266.700mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

Cor

241.300

327.025 349.148 368.300 393.700 444.500

52.388 57.150 50.800 73.817 101.600

52.388 57.150 50.800 69.850 100.012

36.512 44.450 33.338 50.005 76.200

475 550 460 780 1,390

950 1,000 810 1,400 2,120

48,500 56,000 47,000 79,500 142,000

97,000 103,000 83,000 143,000 216,000

244.475

381.000

79.375

76.200

57.150

755

1,440

77,000

147,000

247.650

346.075 368.300 381.000 406.400

63.500 50.800 74.612 115.888

63.500 50.800 74.612 117.475

50.800 33.338 57.150 93.662

720 460 885 1,650

1,450 815 1,790 3,000

73,500 47,000 90,500 168,000

148,000 83,000 183,000 305,000

249.250

381.000

79.375

76.200

57.150

755

1,440

77,000

147,000

254.000

323.850 358.775 365.125 393.700 422.275 533.400

22.225 71.438 58.738 73.817 86.121 133.350

22.225 71.438 58.738 69.850 79.771 120.650

15.875 53.975 42.862 50.005 66.675 77.788

126 815 615 780 1,160 1,680

315 1,640 1,190 1,400 1,800 2,610

12,800 83,000 62,500 79,500 119,000 171,000

32,500 168,000 122,000 143,000 184,000 266,000

257.175

342.900 342.900

57.150 57.150

44.450 44.450

580 580

1,270 1,270

59,000 59,000

130,000 130,000

260.350

365.125 400.050 419.100 422.275 488.950

58.738 69.850 85.725 86.121 120.650

58.738 67.470 84.138 79.771 120.650

42.862 46.038 61.912 66.675 92.075

615 710 925 1,160 1,760

1,190 1,230 1,610 1,800 2,970

62,500 72,500 94,000 119,000 180,000

122,000 126,000 165,000 184,000 305,000

263.525

325.438 355.600

28.575 57.150

25.400 44.450

211 625

520 1,330

21,600 64,000

53,000 136,000

266.700

323.850 325.438 355.600 355.600 393.700

22.225 28.575 57.150 57.150 73.817

22.225 28.575 57.150 57.150 69.850

15.875 25.400 44.450 44.450 50.005

126 211 625 500 780

315 520 1,340 995 1,400

12,800 21,600 54,000 51,000 79,500

32,500 53,000 136,000 101,000 143,000

B-112

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

(approx.)

Axial load factors

Mass kg

max

264 267 269 278 277

253 257 260 268 268

305 325 340 366 403

313 329 337 378 407

6.4 6.4 6.4 6.4 6.4

3.3 3.3 3.3 6.4 4.8

–7.8 –3.2 –6.2 –2.5 19.3

0.41 0.35 0.36 0.40 0.34

1.48 1.70 1.65 1.49 1.78

0.81 0.93 0.90 0.82 0.98

11.2 15.9 17.2 34.3 68.0

EE126097/126150

275

266

343

358

6.4

4.8

–8

0.52

1.16

0.64

32.6

T-M348449/M348410 EE170975/171450 T-M252337/M252310 HH249949/HH249910

273 274 280 284

263 264 271 275

321 340 356 366

332 337 364 383

6.4 6.4 6.4 6.4

6.4 3.3 3.3 6.4

1.3 –6.2 6.2 28.9

0.34 0.36 0.33 0.33

1.75 1.65 1.80 1.80

0.96 0.90 0.99 0.99

16.2 16.5 27.3 55.6

EE126098/126150

279

269

343

358

6.4

4.8

–8

0.52

1.16

0.64

31.7

29875/29820 T-M249749/M249710 T-EE134100/134143 T-EE275100/275155 T-HM252343/HM252310 HH953749/HH953710

267 274 281 287 287 328

266 270 272 277 281 306.3

310 335 339 366 392 455

312 343 347 378 400 496

1.5 3.5 6.4 6.4 6.8 6.4

1.5 3.3 6.4 6.4 3.3 6.4

–21.1 –6.9 –5 –2.5 9.3 –44.7

0.35 0.33 0.37 0.40 0.33 0.94

1.73 1.80 1.60 1.49 1.80 0.64

0.95 0.99 0.88 0.82 0.99 0.35

3.92 20.1 17.7 32.1 47.1 141

M349549/M349510 M349549A/M349510

281 289

269 269

322 322

333 333

6.4 10.7

3.3 3.3

–2.5 –2.5

0.35 0.35

1.73 1.73

0.95 0.95

12.9 12.9

T-EE134102/134143 EE221026/221575 EE435102/435165 T-HM252348/HM252310 EE295102/295193

286 296 295 292 299

276 280 285 285 290

339 366 376 392 444

347 372 395 400 451

6.4 9.7 6.4 6.8 6.4

6.4 6.4 3.3 3.3 6.4

–5 –1.8 –20.7 9.3 28.7

0.37 0.39 0.61 0.33 0.31

1.60 1.52 0.99 1.80 1.92

0.88 0.84 0.54 0.99 1.06

16.8 27.0 44.4 45.7 90.3

T-38880/38820 T-LM451345/LM451310

275 283

275 279

312 335

315 343

1.5 3.5

1.5 3.3

–20.5 –4.7

0.37 0.36

1.64 1.67

0.90 0.92

4.56 14.2

29880/29820 T-38885/38820 T-LM451349/LM451310 T-LM451349A/LM451310 T-EE275105/275155

277 277 285 299 296

275 277 281 281 287

310 312 335 335 366

312 315 343 343 378

1.5 1.5 3.5 10.5 6.4

1.5 1.5 3.3 3.3 6.4

–21.1 –20.5 –4.7 –4.7 –2.5

0.35 0.37 0.36 0.36 0.40

1.73 1.64 1.67 1.67 1.49

0.95 0.90 0.92 0.92 0.82

3.28 4.35 15.0 13.8 29.7

T-8578/8520 EE127095/127135 EE170950/171450 T-EE275095/275155 ☆T-EE923095/923175G2

1 "−" means that load center at outside on end of inner ring.

B-113

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 266.700∼304.800mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

Cor

266.700

444.500

120.650

117.475

88.900

1,570

3,050

160,000

310,000

269.875

381.000

74.612

57.150

885

1,790

90,500

183,000

273.050

393.700

73.817

69.850

50.005

780

1,400

79,500

143,000

276.225

352.425

36.512

34.925

23.812

295

605

30,000

61,500

279.400

374.650 469.900 488.950

47.625 95.250 120.650

47.625 93.662 120.650

34.925 69.850 92.075

470 1,180 1,760

1,010 2,170 2,970

48,000 121,000 180,000

103,000 222,000 305,000

279.982

380.898

65.088

49.212

660

1,550

67,500

159,000

280.000

406.400

69.850

67.673

53.975

760

1,550

77,500

158,000

280.192

406.400

69.850

67.673

53.975

760

1,550

77,500

158,000

285.750

358.775 380.898

33.338 65.088

31.750 65.088

22.225 49.212

263 660

540 1,550

26,900 67,500

55,000 159,000

288.925

406.400

77.788

60.325

1,010

2,080

103,000

212,000

292.100

374.650 469.900 558.800

47.625 95.250 136.525

47.625 93.662 136.525

34.925 69.850 98.425

470 1,180 1,950

1,010 2,170 3,800

48,000 121,000 199,000

103,000 222,000 385,000

298.450

444.500

63.500

61.912

39.688

630

1,150

64,000

117,000

※299.974

495.300

141.288

114.300

2,440

4,900

249,000

500,000

300.038

422.275

82.550

63.500

1,130

2,400

116,000

245,000

304.800

393.700 406.400 438.048 444.500 495.300 495.300

50.800 63.500 76.200 63.500 76.200 95.250

50.800 63.500 76.992 61.912 74.612 92.075

38.100 47.625 53.975 39.688 53.975 69.850

485 700 805 630 1,140 1,230

1,030 1,580 1,590 1,150 1,940 2,350

49,500 71,500 82,000 64,000 116,000 126,000

105,000 161,000 163,000 117,000 198,000 240,000

B-114

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

(approx.)

Axial load factors

Mass kg

max

H852849/H852810

315

297

390

422

6.4

0.6

0.3

0.58

1.04

0.57

73.3

T-M252349/M252310

296

287

356

364

6.4

3.3

6.2

0.33

1.80

0.99

25.4

T-EE275108/275155

301

291

366

378

6.4

–2.5

0.40

1.49

0.82

28.5

L853049/L853010

293

288

332

342

3.5

3.3

–34.8

0.54

1.12

0.62

L555233/L555210 EE722110/722185 EE295110/295193

300 321 303

296 314 304

355 430 444

362 433 451

3.5 9.7 1.3

3.3 3.3 6.4

–17 6.3 28.7

0.40 0.38 0.31

1.49 1.58 1.92

0.82 0.87 1.06

13.0 65.3 84.9

T-LM654642/LM654610

302

298

356

368

3.5

3.3

–11.5

0.43

1.39

0.76

19.0

EE128112/128160

308

307

378

384

6.4

3.3

–4.4

0.39

1.56

0.86

29.1

EE128111/128160

309

307

378

384

6.8

3.3

–4.4

0.39

1.56

0.86

29.1

545112/545141A T-LM654649/LM654610

302 306

298 302

340 356

345 368

3.5 3.5

3.3 3.3

–33.9 –11.5

0.49 0.43

1.22 1.39

0.67 0.76

7.54 18.0

M255449/M255410A

316

310

379

388

6.4

3.3

4.1

0.34

1.78

0.98

27.8

L555249/L555210 EE722115/722185 EE790114/790221

309 330 335

305 324 329

355 430 501

362 433 513

3.5 9.7 6.4

3.3 3.3 6.4

–17 6.3 23.8

0.40 0.38 0.39

1.49 1.58 1.52

0.82 0.87 0.84

11.5 62.0 135

EE291175/291750

332

320

416

415

1.5

–9.1

0.38

1.58

0.87

33.1

☆HH258248/HH258210G2

342

332

448

467

6.4

35.4

0.33

1.80

0.99

96.0

☆T-HM256849/HM256810G2

328

319

394

403

6.4

3.3

5.7

0.34

1.78

0.98

31.9

L357049/L357010 T-LM757049/LM757010 T-EE129120X/129172 EE291201/291750 EE941205/941950A EE724120/724195

329 331 334 337 339 359

319 322 328 324 329 330

374 380 406 416 459 450

380 393 411 415 463 459

6.4 6.4 6.4 8 6.4 16

3.3 3.3 4.8 1.5 3.3 6.4

–12.5 –16.3 –7.3 –9.1 –10 0.9

0.36 0.44 0.42 0.38 0.40 0.40

1.67 1.36 1.44 1.58 1.49 1.49

0.92 0.75 0.79 0.87 0.82 0.82

13.8 20.1 34.8 31.9 55.8 69.7

1 "−" means that load center at outside on end of inner ring.

B-115

8.40

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 304.800∼381.000mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

Cor

304.800

558.800

136.525

98.425

1,950

3,800

199,000

385,000

317.500

444.500 447.675 622.300

63.500 85.725 147.638

61.912 85.725 131.762

39.688 68.262 82.550

630 1,160 2,080

1,150 2,390 3,550

64,000 118,000 212,000

117,000 244,000 365,000

330.200

415.925 415.925 482.600 482.600

47.625 47.625 60.325 85.725

47.625 47.625 55.562 80.167

34.925 34.925 38.100 60.325

445 445 700 955

1,060 1,060 1,430 1,970

45,000 45,000 71,500 97,500

108,000 108,000 146,000 201,000

333.375

469.900

90.488

71.438

1,350

2,760

138,000

282,000

342.900

450.850 457.098 533.400

66.675 68.262 76.200

66.675 63.500 76.200

52.388 47.625 50.800

785 705 1,070

1,780 1,640 1,730

80,000 72,000 109,000

182,000 167,000 176,000

346.075

482.600 488.950 488.950

60.325 95.249 95.250

55.562 95.250 95.250

38.100 74.612 74.612

700 1,420 1,480

1,430 3,000 3,200

71,500 145,000 151,000

146,000 305,000 325,000

349.250

501.650

90.488

84.138

69.850

1,190

2,280

122,000

233,000

355.600

444.500 469.900 482.600 501.650 501.650

60.325 60.325 60.325 74.612 90.488

60.325 55.562 55.562 66.675 84.138

47.625 38.100 38.100 50.800 69.850

655 700 700 900 1,190

1,740 1,430 1,430 1,830 2,280

67,000 71,500 71,500 92,000 122,000

177,000 146,000 146,000 187,000 233,000

361.950

406.400

23.812

17.462

173

470

17,600

48,000

368.249

523.875

101.600

79.375

1,520

3,250

155,000

335,000

371.475

501.650

74.612

66.675

50.800

900

1,830

92,000

187,000

374.650

522.288

85.725

84.138

61.912

1,060

2,270

108,000

232,000

381.000

479.425 508.000

49.212 63.500

47.625 58.738

34.925 38.100

540 540

1,270 1,130

55,500 55,000

130,000 116,000

B-116

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

Axial load factors

Mass kg

max

335

501

513

1.3

6.4

23.8

0.39

1.52

0.84

131

346 341 410

334 337 373

416 418 531

415 428 582

8 3.5 14.3

1.5 3.3 12.7

–9.1 4.8 –60.7

0.38 0.33 0.95

1.58 1.79 0.63

0.87 0.99 0.35

29.5 37.3 203

T-L860048/L860010 T-L860049/L860010 T-EE161300/161900 EE526130/526190

367 349 367 360

345 345 356 351

394 394 451 449

402 402 455 454

12.7 3.5 7 6.4

3.3 3.3 6.4 3.3

–35.4 –35.4 –33.6 –2.8

0.50 0.50 0.50 0.39

1.20 1.20 1.20 1.53

0.66 0.66 0.66 0.84

13.3 13.3 35.9 51.0

HM261049/HM261010A

363

357

439

449

6.4

3.3

5.4

0.33

1.79

0.99

43.4

LM361649/LM361610 LM961548/LM961511 EE971354/972100

373 367 373

360 363 367

425 423 501

435 443 501

8.5 3.3 4.8

3.5 3.3 3.3

–8.7 –53.6 –2.5

0.35 0.71 0.33

1.71 0.84 1.80

0.94 0.46 0.99

25.0 30.0 55.6

379 377 377

368 367 367

451 456 456

455 467 467

7 6.4 6.4

6.4 3.3 3.3

–33.6 6.4 6.4

0.50 0.33 0.33

1.20 1.79 1.79

0.66 0.99 0.99

32.8 52.5 49.7

EE333137/333197

382

372

470

478

6.4

3.3

–1.9

0.36

1.65

0.90

56.4

T-L163149/L163110 T-EE161400/161850 T-EE161400/161900 T-EE231400/231975 EE333140/333197

374 386 386 388 387

370 375 375 379 377

422 445 451 472 470

430 455 455 481 483

3.5 7 7 6.4 6.4

3.3 6.4 6.4 3.3 3.3

–7.2 –33.6 –33.6 –19.8 –1.9

0.31 0.50 0.50 0.44 0.36

1.95 1.20 1.20 1.36 1.65

1.07 0.66 0.66 0.75 0.90

18.8 27.3 30.8 44.9 50.8

LL562749/LL562710

372

371

396

401

2.3

1.5

–38.3

0.40

1.49

0.82

400

394

487

499

6.4

0.33

1.80

0.99

61.7

T-EE231462/231975

400

390

472

481

6.4

3.3

–19.8

0.44

1.36

0.75

40.7

LM565943/LM565910

407

397

493

500

6.4

3.3

–7.6

0.39

1.56

0.86

54.5

L865547/L865512 EE192150/192200

407 410

395 400

456 478

465 482

6.4 6.4

3.3 3.3

–42.4 –40.6

0.49 0.53

1.21 1.13

0.67 0.62

20.0 34.4

EE790120/790221 EE291250/291750 T-HM259048/HM259010 ☆H961649/H961610G2

T-EE161363/161900 T-HM262748/HM262710 ☆T-HM262749/HM262710G2

☆HM265049/HM265010G2

1 "−" means that load center at outside on end of inner ring.

B-117

(approx.)

3.56

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 381.000∼457.200mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

Cor

381.000

522.288 523.875 546.100 546.100 590.550

85.725 85.725 104.775 104.775 114.300

84.138 84.138 104.775 104.775 114.300

61.912 61.912 82.550 82.550 88.900

1,060 1,060 1,720 1,840 2,140

2,270 2,270 3,700 4,000 4,700

108,000 108,000 176,000 188,000 218,000

232,000 232,000 375,000 410,000 480,000

384.175

441.325 546.100 546.100

28.575 104.775 104.775

20.638 82.550 82.550

246 1,720 1,840

655 3,700 4,000

25,100 176,000 188,000

66,500 375,000 410,000

385.762

514.350

82.550

63.500

1,230

2,780

126,000

283,000

387.248

546.100

87.312

68.262

1,390

3,150

142,000

325,000

396.875

546.100

76.200

61.120

55.562

775

1,640

79,500

167,000

403.225

460.375

28.575

20.638

206

600

21,000

61,500

406.400

508.000 546.100 549.275 590.550 609.600

61.912 76.200 85.725 107.950 92.075

61.912 61.120 84.138 107.950 84.138

47.625 55.562 61.912 80.962 60.325

660 775 1,320 1,640 1,260

1,690 1,640 2,920 3,400 2,400

67,500 79,500 135,000 167,000 129,000

172,000 167,000 298,000 345,000 245,000

409.575

546.100

87.312

68.262

1,350

3,050

137,000

310,000

415.925

590.550

114.300

88.900

2,140

4,700

218,000

480,000

431.800

533.400 552.450 571.500 603.250 673.100

46.038 44.450 74.612 76.200 88.900

46.038 44.450 74.612 73.025 87.833

34.925 31.750 52.388 50.800 60.325

555 615 1,090 975 1,490

1,310 1,340 2,470 2,050 2,670

56,500 62,500 112,000 99,500 152,000

134,000 137,000 252,000 209,000 272,000

447.675

552.450 635.000

44.450 120.650

31.750 95.250

615 2,420

1,340 5,550

62,500 247,000

137,000 565,000

457.200

552.450 573.088

44.450 74.612

31.750 57.150

615 1,000

1,340 2,680

62,500 103,000

137,000 274,000

B-118

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

Axial load factors

Mass kg

max

LM565949/LM565910 LM565949/LM565912 T-HM266446/HM266410 ☆T-HM266447/HM266410G2 ☆T-M268730/M268710G2

411 411 415 415 425

402 402 405 405 415

493 493 507 507 549

500 500 520 520 561

6.4 6.4 6.4 6.4 6.4

3.3 3.3 6.4 6.4 6.4

–7.6 –7.6 7.1 7.1 9.4

0.39 0.39 0.33 0.33 0.33

1.56 1.56 1.80 1.80 1.80

0.86 0.86 0.99 0.99 0.99

LL365348/LL365310 T-HM266448/HM266410 ☆T-HM266449/HM266410G2

399 417 417

393 407 407

427 507 507

433 519 519

3.5 6.4 6.4

3.3 6.4 6.4

–30 7.1 7.1

0.34 0.33 0.33

1.77 1.80 1.80

0.97 0.99 0.99

5.89 69.0 69.0

LM665949/LM665910

415

406

482

495

6.4

3.3

–16.3

0.42

1.43

0.79

41.8

☆M667935/M667911G2

424

414

510

528

6.4

–16.2

0.42

1.43

0.79

56.6

EE234156/234215

428

418

504

516

6.4

–35.8

0.47

1.27

0.70

51.5

LL566848/LL566810

418

414

445

452

3.5

3.3

–41.5

0.40

1.49

0.82

L467549/L467510 EE234160/234215 LM567949/LM567910 EE833160X/833232 EE911600/912400

426 435 437 448 443

423 425 427 435 439

483 504 519 549 567

492 516 525 561 570

3.3 6.4 6.4 9.7 6.8

3.3 6.4 3.3 6.4 6.4

–19.6 –35.8 –14.7 8.5 –11.5

0.37 0.47 0.41 0.33 0.38

1.63 1.27 1.47 1.84 1.57

0.90 0.70 0.81 1.01 0.86

25.1 48.7 56.2 86.6 91.3

M667948/M667911

440

431

510

528

6.4

–16.2

0.42

1.43

0.79

49.8

☆T-M268749/M268710G2

451

441

549

561

6.4

9.4

0.33

1.80

0.99

87.8

T-80385/80325 80170/80217 T-LM869448/LM869410 EE241701/242375 EE571703/572650

450 456 457 446 472

446 452 453 457 466

510 531 537 558 630

510 536 549 564 632.6

3.3 3.3 3.3 6.4 6.4

3.3 3.3 3.3 6.4 3.3

–23.4 –27.5 –50.1 –46.5 –21.4

0.31 0.32 0.55 0.53 0.40

1.94 1.88 1.10 1.14 1.49

1.07 1.04 0.60 0.63 0.82

19.7 23.1 45.7 64.9 114

80176/80217 ☆M270749/M270710AG2

467 484

464 474

531 591

536 606

3.3 6.4

–27.5 8.5

0.32 0.33

1.88 1.80

1.04 0.99

20.4 107

474 485

471 475

531 543

536 558

3.3 6.4

–27.5 –26.2

0.32 0.40

1.88 1.49

1.04 0.82

18.7 38.9

80180/80217 L570649/L570610

1 "−" means that load center at outside on end of inner ring.

B-119

(approx.)

52.5 53.2 76.0 70.1 102

6.17

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 457.200∼584.200mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

Cor

457.200

596.900 603.250 615.950 730.148

76.200 85.725 85.725 120.650

73.025 84.138 85.725 114.300

53.975 60.325 66.675 82.550

975 1,140 1,350 2,540

2,350 2,680 3,350 4,350

99,500 116,000 138,000 259,000

239,000 274,000 340,000 445,000

476.250

565.150

41.275

31.750

405

1,200

41,500

122,000

479.425

679.450

128.588

101.600

2,850

6,500

290,000

660,000

482.600

615.950 634.873

85.725 80.962

66.675 63.500

1,350 1,170

3,350 3,100

138,000 119,000

340,000 315,000

488.950

634.873 660.400

84.138 93.662

84.138 94.458

61.912 69.850

1,460 1,830

3,450 4,000

149,000 186,000

355,000 410,000

489.026

634.873

80.962

63.500

1,170

3,100

119,000

315,000

498.475

634.873

80.962

63.500

1,170

3,100

119,000

315,000

501.650

711.200

136.525

106.362

2,940

6,850

300,000

695,000

508.000

838.200

146.050

139.700

104.775

3,150

6,400

325,000

655,000

533.400

635.000

50.800

38.100

695

1,680

71,000

171,000

536.575

761.873

146.050

114.300

3,450

7,600

350,000

775,000

539.750

635.000

50.800

38.100

695

1,680

71,000

171,000

549.275

692.150

80.962

61.912

1,350

3,500

138,000

355,000

558.800

736.600 736.600 736.600

76.200 88.108 104.775

50.800 63.500 80.962

1,200 1,460 1,850

2,690 3,350 4,400

122,000 148,000 189,000

275,000 345,000 450,000

571.500

812.800

155.575

120.650

4,050

9,150

415,000

935,000

584.200

685.800

49.212

34.925

705

1,930

72,000

197,000

B-120

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

Axial load factors

Mass kg

max

494 489 493 507

478 479 483 491

567 570 585 675

570 579 597 681

9.7 6.4 6.4 9.7

3.3 3.3 6.4 6.4

–27.1 –29.7 –11.3 –6.6

0.40 0.46 0.33 0.39

1.48 1.32 1.80 1.53

0.82 0.72 0.99 0.84

53.9 63.8 63.8 188

LL771948/LL771911

495

491

543

549

3.3

–58.4

0.47

1.28

0.70

16.7

☆T-M272749/M272710G2

516

507

633

648

6.4

8.9

0.33

1.80

0.99

☆LM272249/LM272210G2 EE243190/243250

513 516

501 510

585 603

597 609

6.4 6.4

6.4 3.3

–11.3 –18.5

0.33 0.34

1.80 1.76

0.99 0.97

54.9 60.2

LM772748/LM772710A ☆T-EE640192/640260G2

522 522

510 513

600 624

613 630

6.4 6.4

3.3 6.4

–40.4 –4.9

0.47 0.31

1.27 1.95

0.70 1.07

60.3 85.2

EE243192/243250

522

516

603

609

6.4

3.3

–18.5

0.34

1.76

0.97

58.0

EE243196/243250

528

522

603

609

6.4

3.3

–18.5

0.34

1.76

0.97

54.7

540

534

663

678

6.4

11.8

0.33

1.80

0.99

152

EE426200/426330

564

552

759

768

9.7

–26.1

0.48

1.25

0.69

296

LL575343/LL575310

558

549

612

621

6.4

–50.3

0.41

1.48

0.81

☆M276449/M276410G2

576

570

711

726

6.4

10.5

0.33

1.80

0.99

LL575349/LL575310

564

555

612

621

6.4

–50.3

0.41

1.48

0.81

24.9

L476549/L476510

579

570

657

666

6.4

–32.2

0.38

1.59

0.88

68.2

EE542220/542290 EE843220/843290 LM377449/LM377410

594 591 594

585 585 585

696 699 696

705 708 708

6.4 6.4 6.4

–66.6 –21.8 –15.6

0.51 0.34 0.35

1.17 1.76 1.73

0.65 0.97 0.95

76.7 88.7 106

☆M278749/M278710AG2

615

609

756

774

6.4

12.7

0.33

1.80

0.99

227

603

600

663

669

3.5

3.3

–64.5

0.44

1.37

0.75

EE244180/244235 LM770949/LM770910 ☆LM272235/LM272210G2 EE671801/672873

☆M274149/M274110G2

T-LL778149/LL778110

1 "−" means that load center at outside on end of inner ring.

B-121

(approx.)

130

26.4 187

27.8

●Single Row Tapered Roller Bearings Inch system sizes T r1

r B φd

φD

d 596.900∼1,270.000mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

596.900

685.800

609.396

kN B

31.750

762.000

95.250

609.600

762.000 787.400 812.800

635.000

static kgf

Cor

25.400

335

895

34,000

91,000

92.075

71.438

1,770

4,850

180,000

495,000

95.250 93.662 82.550

92.075 93.662 82.550

71.438 69.850 60.325

1,770 2,190 1,670

4,850 5,050 3,900

180,000 223,000 170,000

495,000 515,000 400,000

736.600

57.150

53.975

41.275

695

1,980

71,000

202,000

660.400

812.800

95.250

73.025

1,950

5,150

199,000

530,000

673.100

793.750

66.675

61.912

49.212

985

2,700

101,000

275,000

685.800

876.300

93.662

92.075

69.850

2,060

5,450

210,000

555,000

711.200

914.400

85.725

82.550

60.325

1,810

4,450

185,000

455,000

723.900

914.400

84.138

80.962

60.325

1,810

4,450

185,000

455,000

749.300

990.600

159.500

160.337

123.000

4,300

11,300

440,000

1,160,000

774.700

965.200

93.662

80.962

66.675

1,530

3,450

156,000

350,000

838.200

1,041.400

93.662

88.900

66.675

2,120

5,200

216,000

530,000

977.900

1,130.300

66.675

63.500

47.625

1,190

3,600

122,000

365,000

1,063.625

1,219.200

65.088

42.862

1,410

4,300

144,000

435,000

1,066.800

1,219.200 1,320.800

65.088 95.250

65.088 88.900

42.862 69.850

1,410 2,330

4,300 6,200

144,000 237,000

435,000 635,000

1,092.200

1,320.800

95.250

88.900

69.850

2,330

6,200

237,000

635,000

1,270.000

1,435.100

69.850

65.088

47.625

1,590

5,050

162,000

515,000

Cor

B-122

●Single Row Tapered Roller Bearings

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 0 0.4 Y2 static Por＝0.5Fr＋YoFa

ra φDa φdb

φda

φDb

When Por＜Fr use Por＝Fr

For values of e, Y2 and Yo see the table below.

Bearing numbers

Abutment and fillet dimensions mm ras

r1as

Load1 center mm

Constant

(approx.)

Axial load factors

Mass kg

max

680235/680270

615

663

669

3.5

3.3

–94.8

0.53

1.14

0.63

15.8

L879946/L879910

642

633

720

741

6.4

–58.2

0.49

1.23

0.68

95.7

L879947/L879910 ☆EE649240/649310G2 EE743240/743320

642 642 645

633 633 636

720 747 768

741 764 768

6.4 6.4 6.4

–58.2 –23.8 –31.8

0.49 0.33 0.33

1.23 1.80 1.83

0.68 0.99 1.01

95.6 112 104

80780/80720

654

651

714

717

3.3

–69.2

0.44

1.37

0.75

38.3

L281148/L281110A

693

681

777

789

6.4

–27.7

0.33

1.80

0.99

93.5

LL481448/LL481411

702

690

765

771

6.4

–53.8

0.36

1.67

0.92

51.3

☆EE655270/655345G2

723

714

831

843

6.4

–56.6

0.42

1.43

0.79

134

☆EE755280/755360G2

750

741

873

876

6.4

–52.4

0.38

1.58

0.87

136

☆EE755285/755360G2

756

750

873

876

5.5

6.4

–54

0.38

1.58

0.87

126

☆LM283649/LM283610G2

792

786

936

952

6.4

–4.4

0.33

1.80

0.99

309

EE752305/752380

810

798

921

924

6.4

3.3

–66.6

0.40

1.49

0.82

126

☆EE763330/763410G2

876

870

996

1,000

6.4

–85.3

0.44

1.36

0.75

172

LL687949/LL687910

1,010

1,005

1,095

1,100

6.4

–118.2

0.44

1.37

0.75

103

LL788345/LL788310

1,090

1,085

1,185

1,190

3.3

–142.8

0.48

1.26

0.69

422

LL788349/LL788310 EE776420/776520

1,090 1,115

1,185 1,260

1,190 1,289

3.3 6.4

–142.8 –175.6

0.48 0.57

1.26 1.05

0.69 0.58

422 796

EE776430/776520

1,135

1,130

1,260

1,289

6.4

–175.6

0.57

1.05

0.58

794

LL889049/LL889010

1,305

1,300

1,395

1,405

6.4

–220.2

0.58

1.04

0.57

666

1 "−" means that load center at outside on end of inner ring.

B-123

●Double Row Tapered Roller Bearings (Outside Direction) Metric system sizes B1 C r1 r

φD

φd

d 100∼120mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

rs min1

rls min1

52 82 83 107 140 124.5 112 112 162

46 66 67 87 115 102 87 87 127

2.5 3 3 3 2.5 3 4 3 4

0.8 1 1 1 1 1 1 1 1

105

190 190 190 225 225 225

88 115 117 116 116 170

70 95 96 91 91 133

3 3 3 4 3 3

1 1 1 1 1 1

110

160 180 180 180 200 200 240 240 240 240

57.5 56 70 125 92 121 118 118 181 181

47.5 50 56 100 74 101 93 93 142 142

1.5 2.5 2.5 2.5 3 3 4 3 4 3

120

180 180 200 200 200 200 215 215 260 260 260

46 58 62 78 78 100 97 132 128 128 188

41 46 55 62 62 84 78 109 101 101 145

2.5 2.5 2.5 2.5 2.5 2.5 3 3 4 3 4

100

165 180 180 180 180 190 215 215 215

static

Bearing numbers

kgf Cor

Cor

204 440 440 565 585 760 700 590 980

305 675 675 925 1,090 1,220 995 800 1,540

20,800 45,000 45,000 58,000 59,500 77,500 71,500 60,000 100,000

31,500 68,500 68,500 94,500 111,000 124,000 102,000 81,500 157,000

CRI-2052 CRI-2059 430220XU 432220XU CRI-2010 CRI-2072 430320XU 430320X 432320U

490 650 650 750 625 955

760 1,080 1,080 1,060 845 1,470

50,000 66,000 66,000 76,000 63,500 97,500

77,500 111,000 111,000 109,000 86,000 150,000

430221XU 432221XU CRI-2152 430321XU 430321X 432321

0.5 0.6 0.6 0.6 1 1 1 1 1 1

218 228 298 515 555 720 825 685 1,210 1,070

450 340 485 980 865 1,210 1,180 925 1,940 1,660

22,200 23,300 30,500 52,500 56,500 73,500 84,000 69,500 123,000 109,000

46,000 35,000 49,500 99,500 88,500 124,000 120,000 94,500 197,000 169,000

CRI-2258 413122 423122 CRI-2219 430222XU 432222XU 430322U 430322 432322U 432322

0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 1

193 230 263 370 370 530 595 790 960 800 1,400

298 375 435 610 610 1,100 940 1,360 1,390 1,100 2,270

19,700 23,500 26,800 38,000 38,000 54,000 60,500 80,500 97,500 81,500 143,000

30,500 38,000 44,500 62,500 62,500 113,000 96,000 139,000 142,000 112,000 231,000

413024 423024 413124 423124 CRI-2460 CRI-2416 430224XU 432224XU 430324XU 430324X 432324U

1 Minimum allowable dimension for chamfer dimension r or r1.

B-124

●Double Row Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center mm

Constant

Axial load factors

Mass

mm Sb

ras

rlas

min

max

(approx.)

112 114 114 114 112 114 118 118 118

153 169 168 171 168.5 179.5 200 200 200

3 8 8 10 12.5 11.5 12.5 12.5 17.5

2 2.5 2.5 2.5 2 2.5 3 3 3

0.8 1 1 1 1 1 1 1 1

53.5 80.5 81.5 92 97.5 95.5 92 93.5 113

0.33 0.42 0.42 0.42 0.33 0.33 0.35 0.35 0.35

2.03 1.61 1.61 1.61 2.06 2.02 1.96 1.95 1.96

3.02 2.39 2.39 2.39 3.06 3.00 2.91 2.90 2.91

1.98 1.57 1.57 1.57 2.01 1.97 1.91 1.91 1.91

3.94 8.08 8.11 10.7 13.8 14.3 18.4 16.5 26.5

119 119 119 123 123 119

178 180 179.5 209 209 208

9 10 10.5 12.5 12.5 18.5

2.5 2.5 2.5 3 3 2.5

1 1 1 1 1 1

86 97.5 99.5 96.5 96.5 117.5

0.42 0.42 0.42 0.35 0.35 0.35

1.61 1.61 1.61 1.96 1.95 1.96

2.39 2.39 2.39 2.91 2.90 2.90

1.57 1.57 1.57 1.91 1.91 1.91

9.73 13.1 12.9 21 19.6 30.2

118.5 122 122 122 124 124 128 128 128 128

146 169 166 168 188 190 222 222 222 222

5 3 7 12.5 9 10 12.5 12.5 19.5 19.5

1.5 2 2 2 2.5 2.5 3 3 3 3

0.5 0.6 0.6 0.6 1 1 1 1 1 1

60.5 66.5 66.5 87 90 102 100 97.5 127 124

0.36 0.40 0.33 0.26 0.42 0.42 0.35 0.35 0.35 0.35

1.90 1.68 2.03 2.55 1.61 1.61 1.96 1.95 1.96 1.95

2.83 2.50 3.02 3.80 2.39 2.39 2.91 2.90 2.91 2.90

1.86 1.64 1.98 2.50 1.57 1.57 1.91 1.91 1.91 1.91

3.41 5.2 6.38 11.2 11.4 15.5 24.5 22.1 38.2 35.6

132 132 132 132 132 132 134 134 138 138 138

171 170 184 188 187 190.5 203 204 239 239 239

2.5 6 3.5 8 8 8 9.5 11.5 13.5 13.5 21.5

2 2 2 2 2 2 2.5 2.5 3 3 3

0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 1

59 66 76.5 76.5 81.5 87.5 98 112 107 106 130

0.37 0.37 0.43 0.37 0.37 0.34 0.44 0.44 0.35 0.35 0.35

1.80 1.80 1.57 1.80 1.80 1.96 1.55 1.55 1.96 1.95 1.96

2.69 2.69 2.34 2.69 2.69 2.92 2.31 2.31 2.91 2.90 2.91

1.76 1.76 1.53 1.76 1.76 1.92 1.52 1.52 1.91 1.91 1.91

3.85 4.41 7.24 8.96 8.78 12.6 13.6 18.9 30.5 29.4 47

B-125

●Double Row Tapered Roller Bearings (Outside Direction) Metric system sizes B1 C r1 r

φD

φd

d 125∼150mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

125

210

110

130

200 200 210 210 210 214 230 230 230 230 230 230 280 280

52 65 64 80 109 115 95 98 100 145 145 149 137 205

140

210 210 210 225 225 225 230 230 240 250 250 250 270 300 300 300 300

150

225 225 250 250

kN rs min1

rls min1

46 52 57 64 90 98 75 78.5 80.5 115 117.5 120 107.5 163.5

2.5 2.5 2.5 2.5 2.5 2.5 3 4 3 3 4 3 5 4

53 66 106 68 84 85 120 140 132 102 102 153 120 102 145 145 223

47 53 94 61 68 68 94 110 106 82.5 82.5 125.5 95 77 115.5 115.5 177.5

56 70 80 100

50 56 71 80

static

Bearing numbers

kgf Cor

Cor

570

1,080

58,000

110,000

CRI-2555

0.6 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 1 1.5 1.5

224 294 315 410 530 540 560 640 560 895 905 905 1,110 1,530

365 490 485 675 1,100 1,040 840 1,010 840 1,460 1,630 1,630 1,660 2,470

22,900 29,900 32,000 42,000 54,000 55,000 57,000 65,500 57,000 91,000 92,500 92,500 113,000 156,000

37,500 50,000 49,500 69,000 113,000 106,000 86,000 103,000 86,000 149,000 166,000 166,000 169,000 252,000

413026 423026 413126 423126 CRI-2619 CRI-2651 CRI-2614 430226XU CRI-2655 CRI-2616 432226XU CRI-2654 430326XU 432326

2.5 2.5 2.5 3 3 3 2.5 3 3 3 4 4 4 2.5 4 5 4

0.6 0.6 0.6 1 1 1 0.8 1 1.5 1 1 1 3 1 1.5 1.5 1.5

262 300 580 370 390 390 680 750 755 640 720 1,050 835 645 1,100 1,260 1,690

415 535 1,220 580 650 650 1,280 1,470 1,480 970 1,140 1,840 1,240 1,010 1,560 1,900 2,740

26,700 30,500 59,000 37,500 40,000 40,000 69,500 76,500 77,000 65,500 73,500 107,000 85,000 66,000 112,000 129,000 173,000

42,500 54,500 124,000 59,500 66,000 66,000 131,000 150,000 150,000 99,000 117,000 188,000 127,000 103,000 160,000 194,000 279,000

413028 423028 CRI-2818 413128 423128 CRI-2872 CRI-2855 CRI-2825 CRI-2869 430228X 430228XU 432228XU CRI-2874 CRI-2834 430328X 430328XU 432328

3 3 3 3

1 1 1 1

274 355 485 600

430 630 805 1,040

27,900 36,000 49,500 61,500

44,000 64,500 82,000 106,000

413030 423030 413130 423130

1 Minimum allowable dimension for chamfer dimension r or r1.

B-126

●Double Row Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

mm Sb

ras

rlas

min

max

Load center mm

Constant

Axial load factors

Mass

(approx.)

139

197.5

2.5

101

0.42

1.62

2.42

1.59

14.5

142 142 142 142 142 142 144 148 144 144 148 144 152 148

186 189 196 198 191.5 198 215.5 218 215.5 220 219 220 255 264

3 6.5 3.5 8 9.5 8.5 10 9.5 9.5 15 13.5 14.5 14.5 20.5

2 2 2 2 2 2 2.5 3 2.5 2.5 3 2.5 4 3

0.6 0.6 0.6 0.6 0.6 0.6 1 1 1 1 1 1 1.5 1.5

66 71.5 69 79.5 89 111 96 102 101 117.5 124 128 116 143

0.37 0.37 0.33 0.37 0.34 0.46 0.43 0.44 0.43 0.40 0.44 0.44 0.35 0.35

1.80 1.80 2.03 1.80 1.96 1.47 1.57 1.55 1.57 1.68 1.55 1.55 1.96 1.95

2.69 2.69 3.02 2.69 2.90 2.20 2.30 2.31 2.30 2.50 2.31 2.30 2.91 2.90

1.76 1.76 1.98 1.76 1.90 1.40 1.50 1.52 1.50 1.60 1.52 1.50 1.91 1.90

5.55 6.62 7.83 9.77 14.2 15.5 15 15.9 15.8 23 24.1 24.6 37.9 56.6

152 152 152 154 154 154 152 154 154 158 158 158 158 152 162 162 158

199 197 201.5 210 209 211 214 216 226.5 237 237 238 249 264 272 273 282

3 6.5 6 3.5 8 8.5 13 15 13 9.5 9.5 13.5 12.5 12.5 14.5 14.5 22.5

2 2 2 2.5 2.5 2.5 2 2.5 2.5 3 3 3 3 2 4 4 3

0.6 0.6 0.6 1 1 1 0.8 1 1.5 1 1 1 2.5 1 1.5 1.5 1.5

68.5 75 93 73.5 88 88 108 106 124.5 106 107 131 104 129 123 123 156

0.37 0.37 0.35 0.33 0.37 0.37 0.40 0.32 0.44 0.43 0.44 0.44 0.33 0.55 0.35 0.35 0.35

1.80 1.84 1.95 2.03 1.80 1.80 1.68 2.12 1.53 1.57 1.55 1.55 2.05 1.24 1.95 1.96 1.95

2.69 2.74 2.90 3.02 2.69 2.69 2.50 3.15 2.27 2.34 2.31 2.31 3.05 1.84 2.90 2.91 2.90

1.76 1.80 1.91 1.98 1.76 1.76 1.64 2.07 1.49 1.53 1.52 1.52 2.00 1.21 1.91 1.91 1.91

5.88 7.11 12.5 9.18 11.8 11.8 15.5 20.5 22.1 18 19.9 30.1 27.6 32.5 44.4 46.6 69

164 164 164 164

213 212 231 234

3 7 4.5 10

2.5 2.5 2.5 2.5

1 1 1 1

73.5 79.5 82.5 96.5

0.37 0.37 0.33 0.37

1.80 1.80 2.03 1.80

2.69 2.69 3.02 2.69

1.76 1.76 1.98 1.76

6.66 8.76 14.3 18

B-127

●Double Row Tapered Roller Bearings (Outside Direction) Metric system sizes B1 C r1 r

φD

φd

d 150∼180mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

rs min1

rls min1

Cor

150

250 250 260 270 270 320 320

115 137 150 109 164 154 154

95 112 115 87 130 120 120

2.5 2.5 4 4 4 5 4

1 1 1 1 1 1.5 1.5

660 865 945 770 1,200 1,410 1,170

1,230 1,590 1,820 1,210 2,140 2,140 1,750

67,500 88,500 96,000 78,500 122,000 144,000 119,000

126,000 162,000 185,000 123,000 218,000 218,000 178,000

CRI-3015 CRI-3061 CRI-3063 430230U 432230XU 430330U 430330

160

240 240 240 270 270 270 270 270 280 290 290 340 340

60 75 110 86 108 110 140 150 150 115 178 160 160

53 60 90 76 86 86 120 120 125 91 144 126 126

3 3 2.5 3 3 2.5 2.5 2.5 4 4 4 5 4

1 1 0.6 1 1 1 1 1 1 1 1 1.5 1.5

330 430 660 595 675 785 960 960 1,090 900 1,530 1,570 1,290

535 765 1,230 965 1,180 1,360 1,910 1,860 1,940 1,440 2,840 2,390 1,950

34,000 44,000 67,500 60,500 69,000 80,000 98,000 98,000 112,000 92,000 156,000 160,000 132,000

54,500 78,000 126,000 98,000 120,000 138,000 195,000 190,000 198,000 147,000 290,000 244,000 199,000

413032 423032 CRI-3256 413132E1 423132E1 CRI-3210 CRI-3225 CRI-3219 CRI-3258 430232U 432232U 430332XU 430332X

165

290 350

150 146

125 108

5 7.5

1 1.5

1,030 1,220

1,820 1,980

105,000 124,000

186,000 202,000

CRI-3309 CRI-3305

170

250 260 260 280 280 280 280 310 310

85 67 84 88 110 134 150 125 192

65 60 67 78 88 106 130 97 152

2.5 3 3 3 3 3 2.5 5 5

1 1 1 1 1 1 1 1.5 1.5

425 365 490 550 725 855 980 1,050 1,710

815 620 865 900 1,270 1,790 1,880 1,690 3,200

43,500 37,000 50,000 56,000 74,000 87,500 100,000 107,000 174,000

83,000 63,500 88,000 92,000 130,000 182,000 192,000 173,000 325,000

CRI-3420 413034 423034 413134E1 423134E1 CRI-3452 CRI-3410 430234U 432234XU

180

280 280 280 300

74 93 134.5 96

66 74 108 85

3 3 2.5 4

1 1 1 1.5

425 580 885 705

735 1,050 1,800 1,190

43,000 59,500 90,000 72,000

75,000 107,000 183,000 121,000

413036E1 423036E1 CRI-3623 413136E1

1 Minimum allowable dimension for chamfer dimension r or r1.

B-128

●Double Row Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center mm

Constant

Axial load factors

Mass

mm Sb

ras

rlas

min

max

(approx.)

162 162 168 168 168 172 172

234 238 239.5 255 254 292 292

10 12.5 17.5 11 17 17 17

2 2 3 3 3 4 4

1 1 1 1 1 1.5 1.5

107.5 119 125 114 139 132 135

0.37 0.41 0.41 0.44 0.44 0.35 0.37

1.80 1.66 1.66 1.55 1.55 1.96 1.80

2.69 2.47 2.47 2.31 2.31 2.91 2.69

1.76 1.62 1.62 1.52 1.52 1.91 1.76

21.2 27.7 31.4 24.4 37.3 55.4 52.8

174 174 172 174 174 172 172 172 178 178 178 182 182

227 227 231.5 254 250 250.5 251.5 252 264.5 272 275 310 311

3.5 7.5 10 5 11 12 10 15 12.5 12 17 17 17

2.5 2.5 2 2.5 2.5 2 2 2 3 3 3 4 4

1 1 0.6 1 1 1 1 1 1 1 1 1.5 1.5

79 85.5 107 98.5 106 95 113.5 119.5 119.5 122 150 138 141

0.37 0.37 0.37 0.40 0.37 0.31 0.32 0.32 0.32 0.44 0.44 0.35 0.37

1.80 1.80 1.80 1.68 1.80 2.21 2.12 2.12 2.12 1.55 1.55 1.96 1.80

2.69 2.69 2.69 2.50 2.69 3.29 3.15 3.15 3.15 2.31 2.31 2.91 2.69

1.76 1.76 1.76 1.64 1.76 2.16 2.07 2.07 2.07 1.52 1.52 1.91 1.76

8.29 10.7 15.6 18.2 22.8 22.9 31.8 32.8 34.8 31.9 46.9 65.5 62.4

187 201

274 308.5

12.5 19

4 6

1 1.5

127.5 124.5

0.32 0.34

2.12 2.00

3.15 2.98

2.07 1.96

37.5 61.2

182 184 184 184 184 184 182 192 192

237.5 242 244 260 260 250.5 265 290.5 293

10 3.5 8.5 5 11 14 10 14 20

2 2.5 2.5 2.5 2.5 2.5 2 4 4

1 1 1 1 1 1 1 1.5 1.5

103 86.5 93.5 104 109 132.5 125.5 132 160

0.44 0.37 0.37 0.40 0.37 0.44 0.33 0.44 0.44

1.54 1.80 1.80 1.68 1.80 1.52 2.03 1.55 1.55

2.29 2.69 2.69 2.50 2.69 2.26 3.02 2.31 2.31

1.50 1.76 1.76 1.64 1.76 1.49 1.98 1.52 1.52

12.6 11.6 14.3 19.5 24.7 32.8 34.3 38 58.2

194 194 192 198

260 262 266 280

4 9.5 13.5 5.5

2.5 2.5 2 3

1 1 1 1.5

94 102 122 111

0.37 0.37 0.37 0.40

1.80 1.80 1.80 1.68

2.69 2.69 2.69 2.50

1.76 1.76 1.76 1.64

15.9 19 27 24.6

B-129

●Double Row Tapered Roller Bearings (Outside Direction) Metric system sizes B1 C r1 r

φD

φd

d 180∼220mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers

kgf

rls min1

Cor

4 3 5 5 4

1.5 1 1.5 1.5 1.5

885 1,150 1,080 1,760 1,390

1,530 2,270 1,780 3,350 2,590

90,500 118,000 110,000 180,000 142,000

156,000 231,000 182,000 345,000 264,000

423136E1 CRI-3625 430236U 432236U CRI-3618

67 75 92 104 105 160 160

3 3 4 4 5 5 4

1 1 1.5 1.5 1.5 1.5 1.5

430 615 780 985 1,230 1,970 1,710

740 1,110 1,280 1,710 2,010 3,700 3,350

44,000 63,000 79,500 100,000 125,000 201,000 175,000

75,500 113,000 131,000 174,000 205,000 380,000 340,000

413038E1 423038E1 413138 423138 430238U 432238U 432238

82 103 151 170 146 180 112 140 184 142 218 218

73 82 123 140 110 140 100 112 150 110 174 174

3 3 2.5 4 4 4 4 4 3 5 5 4

1 1 1 1 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5

530 720 1,020 1,270 910 1,330 965 1,090 1,530 1,350 2,260 1,980

940 1,320 2,080 2,690 1,950 2,610 1,660 1,910 3,000 2,210 4,250 3,950

54,000 73,000 105,000 130,000 92,500 136,000 98,500 111,000 156,000 137,000 230,000 201,000

96,000 135,000 212,000 274,000 199,000 266,000 169,000 195,000 305,000 226,000 435,000 400,000

413040E1 423040E1 CRI-4020 CRI-4027 CRI-4036 CRI-4030 413140 423140 CRI-4019 430240U 432240U 432240

283

102

0.6

540

1,320

55,000

134,000

CRI-4107

210

355

116

103

1.5

880

1,500

89,500

153,000

CRI-4202

220

300 340 340 340 340 370 370 370

110 90 113 158 164 120 150 150

88 80 90 130 130 107 120 120

2.5 4 4 4 3 5 5 5

1 1.5 1.5 1 1 1.5 1.5 1.5

660 595 880 1,340 1,360 1,110 1,220 1,440

1,550 1,060 1,650 2,750 2,810 1,920 2,260 2,550

67,500 61,000 89,500 137,000 139,000 113,000 125,000 147,000

158,000 108,000 168,000 281,000 287,000 196,000 230,000 260,000

CRI-4410 413044E1 423044E1 CRI-4409 CRI-4411 413144 423144 CRI-4416

180

300 300 320 320 340

120 164 127 192 180

96 134 99 152 140

190

290 290 320 320 340 340 340

75 94 104 130 133 204 204

200

310 310 310 310 320 330 340 340 340 360 360 360

206

rs min1

static

1 Minimum allowable dimension for chamfer dimension r or r1.

B-130

●Double Row Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center mm

Constant

Axial load factors

Mass

mm Sb

ras

rlas

min

max

(approx.)

198 194 202 202 198

279 281 297 305 302

12 15 14 20 20

3 2.5 4 4 3

1.5 1 1.5 1.5 1.5

119 125.5 139 165 142.5

0.37 0.26 0.45 0.45 0.32

1.80 2.55 1.50 1.50 2.12

2.69 3.80 2.23 2.23 3.15

1.76 2.50 1.47 1.47 2.07

31.4 43.7 39.4 60.6 68.5

204 204 208 208 212 212 212

271 272 300 299 316 323 323

4 9.5 6 13 14 22 22

2.5 2.5 3 3 4 4 4

1 1 1.5 1.5 1.5 1.5 1.5

96 104 119 126 141 174 185

0.37 0.37 0.40 0.37 0.44 0.44 0.49

1.80 1.80 1.68 1.80 1.55 1.55 1.38

2.69 2.69 2.50 2.69 2.31 2.31 2.06

1.76 1.76 1.64 1.76 1.52 1.52 1.35

16.2 19.6 30.8 38.6 45.4 73.3 75.8

214 214 212 218 218 218 218 218 214 222 222 222

288 291 296 296 299 314 320 316 324 336 340 340

4.5 10.5 14 15 18 20 6 14 17 16 22 22

2.5 2.5 2 3 3 3 3 3 2.5 4 4 4

1 1 1 1 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5

101 112 141 138 160.5 161.5 125 134 149 154 180 193

0.37 0.37 0.37 0.33 0.52 0.42 0.40 0.37 0.32 0.44 0.41 0.49

1.80 1.80 1.80 2.03 1.31 1.60 1.68 1.80 2.12 1.55 1.66 1.38

2.69 2.69 2.69 3.02 1.95 2.39 2.50 2.69 3.15 2.31 2.47 2.06

1.76 1.76 1.76 1.98 1.28 1.57 1.64 1.76 2.07 1.52 1.62 1.35

20.6 25.7 38.2 42.4 40.1 55.5 38.6 47.5 67 62.8 95.2 90.7

220

275

9.5

2.5

0.6

134

0.52

1.31

1.95

1.28

16.9

224

331

6.5

2.5

1.5

130.5

0.40

1.68

2.50

1.64

232 238 238 238 234 242 242 242

289 318 319 324 323 346 341 346.5

11 5 11.5 14 17 6.5 15 15

2 3 3 3 2.5 4 4 4

1 1.5 1.5 1 1 1.5 1.5 1.5

121.5 112 125 138.5 145 135 154 142

0.39 0.37 0.37 0.33 0.35 0.40 0.40 0.35

1.74 1.80 1.80 2.03 1.95 1.68 1.68 1.95

2.59 2.69 2.69 3.02 2.90 2.50 2.50 2.90

1.70 1.76 1.76 1.98 1.91 1.64 1.64 1.91

21.1 26.7 33.3 46.7 48.5 47.8 59.6 59.0

B-131

●Double Row Tapered Roller Bearings (Outside Direction) Metric system sizes B1 C r1 r

φD

φd

d 220∼300mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers

kgf

rls min1

Cor

4 5

1.5 2.5

1,400 1,160

2,440 1,820

143,000 119,000

249,000 185,000

430244 CRI-4407

115 160 136

4 4 8

2 2 1.5

1,540 1,740 1,620

2,890 3,700 3,250

157,000 178,000 165,000

295,000 380,000 330,000

CRI-4612 CRI-4606 CRI-4605

115

1.5

745

1,700

76,000

173,000

CRI-4701

240

320 360 360 360 360 400 400 400 440 440

110 92 115 164 170 128 160 209 165 266

90 82 92 130 142 114 128 168 127 212

2.5 4 4 3 3 5 5 4 4 4

1 1.5 1.5 1 1 1.5 1.5 1.5 1.5 1.5

795 655 910 1,420 1,360 1,230 1,400 2,140 1,680 2,920

1,890 1,160 1,770 3,050 2,810 2,130 2,600 4,350 2,960 5,500

81,000 66,500 92,500 145,000 139,000 126,000 142,000 218,000 171,000 298,000

193,000 118,000 181,000 310,000 287,000 217,000 265,000 445,000 300,000 560,000

CRI-4813 413048E1 423048E1 CRI-4806 CRI-4805 413148 423148 CRI-4807 430248 432248

250

380

1.5

750

1,360

76,500

139,000

CRI-5004

260

400 400 400 440 440 440

104 130 185 144 172 180

92 104 146 128 145 144

5 5 4 5 4 5

1.5 1.5 1.5 1.5 2 1.5

840 1,150 1,720 1,500 1,960 1,960

1,540 2,190 3,650 2,630 3,750 3,750

85,500 117,000 175,000 152,000 200,000 200,000

157,000 223,000 370,000 268,000 380,000 380,000

413052 423052 CRI-5218 413152 CRI-5224 423152

280

400 420 420 460 460

150 106 133 146 183

120 94 106 130 146

5 5 5 6 6

1.5 1.5 1.5 2 2

1,380 890 1,200 1,640 1,940

3,150 1,630 2,340 2,900 3,650

141,000 91,000 123,000 167,000 198,000

325,000 166,000 238,000 296,000 375,000

CRI-5615 413056 423056 413156 423156

290

400 430

120 150

90 135

4 4

1.5 1.5

1,200 1,350

2,600 3,200

122,000 138,000

265,000 325,000

CRI-5808 CRI-5810

300

460

118

105

1.5

1,070

1,990

109,000

203,000

413060

220

400 420

158 130

122 100

230

380 380 400

175 200 188

235

330

rs min1

static

1 Minimum allowable dimension for chamfer dimension r or r1.

B-132

●Double Row Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center mm

Constant

Axial load factors

Mass

mm Sb

ras

rlas

min

max

(approx.)

238 242

368 378

18 15

3 4

1.5 2

178.5 148

0.49 0.40

1.38 1.68

2.06 2.50

1.40 1.64

77.5 73.1

248 248 266

359 355 367

30 20 26

3 3 6

2 2 1.5

154.5 164 181

0.40 0.33 0.44

1.68 2.03 1.54

2.50 3.02 2.29

1.64 1.98 1.50

67 84.4 88.5

257

312.5

1.5

129.5

0.41

1.66

2.47

1.62

27.3

252 258 258 254 254 262 262 258 258 258

314 339 339 356 347 375 373 376 406 421.5

10 5 11.5 17 14 7 16 20.5 19 27

2 3 3 2.5 2.5 4 4 3 3 3

1 1.5 1.5 1 1 1.5 1.5 1.5 1.5 1.5

139.5 117 131 145 161 144 164 167.5 189 226

0.46 0.37 0.37 0.32 0.37 0.40 0.40 0.32 0.49 0.43

1.47 1.80 1.80 2.12 1.80 1.68 1.68 2.12 1.38 1.57

2.19 2.69 2.69 3.15 2.69 2.50 2.50 3.15 2.06 2.34

1.44 1.76 1.76 2.07 1.76 1.64 1.64 2.07 1.35 1.53

21.6 30.2 36.5 53 53.8 58.9 71.7 96 100.4 164.8

264

357

5.5

2.5

1.5

123.5

0.37

1.80

2.69

1.80

35.3

282 282 278 282 278 282

372 374 376 412 416.5 413

6 13 19.5 8 13.5 18

4 4 3 4 3 4

1.5 1.5 1.5 1.5 1.5 1.5

131 143 154.5 161 175 176

0.37 0.37 0.29 0.40 0.40 0.40

1.80 1.80 2.32 1.68 1.68 1.68

2.69 2.69 3.45 2.50 2.50 2.50

1.76 1.76 2.26 1.64 1.64 1.64

41.5 53 79 82.2 99.0 101

302 302 302 308 308

383 394 397 435 433

15 6 13.5 8 18.5

4 4 4 5 5

1.5 1.5 1.5 2 2

161 136 148 168 177

0.39 0.37 0.37 0.40 0.40

1.70 1.80 1.80 1.68 1.68

2.59 2.69 2.69 2.50 2.50

1.70 1.76 1.76 1.64 1.64

53.8 47.2 57.3 87.4 109

308 308

386 407

15 7.5

3 3

1.5 1.5

154 162

0.42 0.39

1.62 1.74

2.42 2.59

1.59 1.70

40 72.7

322

428

6.5

1.5

151

0.37

1.80

2.69

1.76

65.6

B-133

●Double Row Tapered Roller Bearings (Outside Direction) Metric system sizes B1 C r1 r

φD

φd

d 300∼400mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers

kgf

rls min1

Cor

5 6 6 5

1.5 2 2 2.5

1,610 2,010 2,100 2,440

3,150 3,600 4,050 4,450

165,000 205,000 214,000 249,000

320,000 370,000 415,000 450,000

423060 413160 423160 CRI-6010

108 121 157 176 180

5 5 6 6 5

1.5 1.5 2 2 2.5

1,190 1,580 2,240 2,500 3,300

2,250 3,100 4,100 4,900 6,500

121,000 162,000 228,000 255,000 340,000

229,000 315,000 415,000 500,000 665,000

413064 423064 413164 423164 ☆CRI-6410

190

150

1.5

2,480

5,550

252,000

565,000

CRI-6603

340

460 500 520 520 580 580

160 249 133 165 190 238

128 203 118 133 169 190

3 5 6 6 6 6

1 1.5 2 2 2 2

1,630 2,690 1,480 1,890 2,690 3,350

4,250 6,200 2,870 3,750 4,900 6,500

167,000 274,000 150,000 193,000 274,000 345,000

430,000 630,000 293,000 380,000 500,000 660,000

CRI-6808 CRI-6812 413068 423068 413168 423168

360

540 540 600 600

134 169 192 240

120 134 171 192

6 6 6 6

2 2 2 2

1,470 2,050 2,720 3,200

2,810 4,200 5,050 6,500

150,000 209,000 277,000 325,000

287,000 430,000 515,000 660,000

413072 423072 413172 423172

380

508 560 560 620 620 620

139.7 135 171 194 241 243

88.9 122 135 173 170 194

6.4 6 6 6 5 6

1.5 2 2 2 2 2

920 1,690 2,080 2,840 3,700 3,350

2,270 3,350 4,350 5,250 7,400 6,700

94,000 172,000 213,000 289,000 380,000 340,000

232,000 340,000 445,000 535,000 755,000 685,000

CRI-7619 413076 423076 413176 CRI-7614 423176

390

600

185

130

2,680

5,550

273,000

565,000

☆CRI-7803

400

540 600 600 650 650

140 148 185 200 250

100 132 148 178 200

6.4 6 6 6 6

1.5 2 2 3 3

1,620 1,860 2,530 3,000 3,750

3,800 3,700 5,450 5,800 7,850

165,000 190,000 258,000 305,000 385,000

390,000 375,000 555,000 590,000 800,000

CRI-8005 413080 423080 413180 423180

300

460 500 500 540

148 160 200 208

118 142 160 158

320

480 480 540 540 550

121 151 176 220 240

330

500

rs min1

static

1 Minimum allowable dimension for chamfer dimension r or r1. Remarks: 1. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-134

●Double Row Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center mm

Constant

Axial load factors

Mass

mm Sb

ras

rlas

min

max

322 328 328 322

434 471 467 498

15 9 20 25

4 5 5 4

1.5 2 2 2

163 182 202 238

0.37 0.40 0.40 0.49

1.80 1.68 1.68 1.38

2.69 2.50 2.50 2.06

1.76 1.64 1.64 1.35

80.2 115 144 184

342 342 348 348 342

449 455 505 504.5 514

6.5 15 9.5 22 30

4 4 5 5 4

1.5 1.5 2 2 2

157 170 197 217 233

0.37 0.37 0.40 0.40 0.40

1.80 1.80 1.68 1.68 1.68

2.69 2.69 2.50 2.50 2.50

1.76 1.76 1.64 1.64 1.64

70.9 85.4 150 186 223

358

477

1.5

195

0.39

1.74

2.59

1.70

117

354 362 368 368 368 368

441 481 488 489 548 542

16 23 7.5 16 10.5 24

2.5 4 5 5 5 5

1 1.5 2 2 2 2

161.5 218.5 170 184 213 237

0.32 0.33 0.37 0.37 0.40 0.40

2.12 2.03 1.80 1.80 1.68 1.68

3.15 3.02 2.69 2.69 2.50 2.50

2.07 1.98 1.76 1.76 1.64 1.64

70 154 89.2 113 188 235

388 388 388 388

507 509 561 563

7 17.5 10.5 24

5 5 5 5

2 2 2 2

176 192 219 240

0.37 0.37 0.40 0.40

1.80 1.80 1.68 1.68

2.69 2.69 2.50 2.50

1.76 1.76 1.64 1.64

98.2 120 199 248

408 408 408 408 402 408

483 528 529 583 582 578

25.5 6.5 18 10.5 35.5 24.5

5 5 5 5 4 5

1.5 2 2 2 2 2

221 183 196 225 263 249

0.53 0.37 0.37 0.40 0.46 0.40

1.27 1.80 1.80 1.68 1.47 1.68

1.89 2.69 2.69 2.50 2.19 2.50

1.24 1.76 1.76 1.64 1.44 1.64

69.5 95.9 126 210 252 262

408

564

27.5

216.5

0.40

1.70

2.50

1.66

175

428 428 428 428 428

519.5 564 564 610 610

20 8 18.5 11 25

5 5 5 5 5

1.5 2 2 2.5 2.5

216 194 210 232 256

0.48 0.37 0.37 0.40 0.40

1.41 1.80 1.80 1.68 1.68

2.09 2.69 2.69 2.50 2.50

1.37 1.76 1.76 1.64 1.64

80.6 105 163 236 294

B-135

(approx.)

●Double Row Tapered Roller Bearings (Outside Direction) Metric system sizes B1 C r1 r

φD

φd

d 420∼560mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers

kgf

rls min1

Cor

6 6 6 6 6

2 2 3 2.5 3

2,110 2,650 3,700 4,850 4,800

4,250 5,900 7,200 9,850 9,700

215,000 270,000 375,000 495,000 490,000

435,000 600,000 735,000 1,000,000 990,000

413084 423084 413184 ☆CRI-8403 423184

140 157 201 226

6 6 6 6

3 3 3 3

2,470 2,600 4,000 5,000

5,150 5,450 7,800 10,300

252,000 266,000 410,000 510,000

525,000 560,000 795,000 1,050,000

413088 423088 413188 423188

163 204 240 300

145 163 214 240

6 6 7.5 7.5

3 3 4 4

2,600 3,100 4,550 4,900

5,350 6,750 9,150 10,300

265,000 315,000 465,000 500,000

550,000 685,000 930,000 1,050,000

413092 423092 413192 423192

480

700 700 790 790

165 206 248 310

147 165 221 248

6 6 7.5 7.5

3 3 4 4

2,490 3,050 4,800 5,300

5,000 6,700 9,600 11,100

254,000 310,000 490,000 540,000

510,000 685,000 975,000 1,130,000

413096 423096 413196 423196

500

670 720 720 830 830

180 167 209 264 330

130 149 167 235 264

5 6 6 7.5 7.5

2 3 3 4 4

2,400 2,610 3,050 5,200 6,400

6,100 5,400 6,900 10,500 14,000

245,000 266,000 315,000 530,000 650,000

625,000 550,000 700,000 1,070,000 1,420,000

CRI-10004 4130/500 4230/500 4131/500 ☆4231/500G2

530

780 780 870 870

185 231 272 340

163 185 239 272

6 6 7.5 7.5

3 3 4 4

2,910 4,050 6,000 7,750

5,900 9,050 12,200 16,700

297,000 415,000 615,000 790,000

600,000 920,000 1,240,000 1,710,000

4130/530 4230/530 ☆4131/530G2 ☆4231/530AG2

560

735 740 820 820 920 920

225 190 195 244 280 350

180 140 173 195 246 280

6.4 6.4 6 6 7.5 7.5

1.5 1.5 3 3 4 4

3,150 2,360 3,600 4,750 5,900 7,600

8,800 6,250 7,850 11,000 12,100 17,400

325,000 241,000 370,000 485,000 600,000 775,000

895,000 640,000 800,000 1,120,000 1,230,000 1,780,000

CRI-11206 CRI-11211 ☆CRI-11214 ☆CRI-11213 4131/560 ☆4231/560G2

420

620 620 700 700 700

150 188 224 274 280

134 150 200 200 224

440

650 650 720 720

157 196 226 283

460

680 680 760 760

rs min1

static

1 Minimum allowable dimension for chamfer dimension r or r1. Remarks: 1. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-136

●Double Row Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center mm

Constant

Axial load factors

Mass

mm Sb

ras

rlas

min

max

448 448 448 448 448

586 583 655 649 659

8 19 12 37 28

5 5 5 5 5

2 2 2.5 2 2.5

200 220 258 245 287

0.37 0.37 0.40 0.32 0.40

1.80 1.80 1.68 2.12 1.68

2.69 2.69 2.50 3.15 2.50

1.76 1.76 1.64 2.07 1.64

135 172 317 387 394

468 468 468 468

618 614 675 678

8.5 19.5 12.5 28.5

5 5 5 5

2.5 2.5 2.5 2.5

208 229 263 288

0.37 0.37 0.40 0.40

1.80 1.80 1.68 1.68

2.69 2.69 2.50 2.50

1.76 1.76 1.64 1.64

160 198 330 412

488 488 496 496

646 644 714 712

9 20.5 13 30

5 5 6 6

2.5 2.5 3 3

217 239 276 305

0.37 0.37 0.40 0.40

1.80 1.80 1.68 1.68

2.69 2.69 2.50 2.50

1.76 1.76 1.64 1.64

179 225 395 493

508 508 516 516

665 664 743 738

9 20.5 13.5 31

5 5 6 6

2.5 2.5 3 3

223 246 281 329

0.37 0.37 0.40 0.40

1.80 1.80 1.68 1.68

2.69 2.69 2.50 2.50

1.76 1.76 1.64 1.64

189 236 442 548

522 528 528 536 536

637 686 683 780 773

25 9 21 14.5 33

4 5 5 6 6

2 2.5 2.5 3 3

242 230 250 296 331

0.40 0.37 0.37 0.40 0.40

1.68 1.80 1.80 1.68 1.68

2.50 2.69 2.69 2.50 2.50

1.64 1.76 1.76 1.64 1.64

175 202 247 528 678

558 558 566 566

740 738.5 820 822.5

11 23 16.5 34

5 5 6 6

2.5 2.5 3 3

250 276 303 340

0.37 0.37 0.38 0.39

1.80 1.80 1.77 1.74

2.69 2.69 2.64 2.59

1.76 1.76 1.73 1.70

265 331 620 774

588 588 588 588 596 596

709 705.5 777 774 865 865

22.5 25 11 24.5 17 35

5 5 5 5 6 6

1.5 1.5 2.5 2.5 3 3

257 231 277 272 326 362

0.35 0.34 0.39 0.33 0.40 0.40

1.95 1.98 1.74 2.03 1.68 1.68

2.90 2.94 2.59 3.02 2.50 2.50

1.91 1.93 1.70 1.98 1.64 1.64

232 198 340 415 1,310 894

B-137

(approx.)

●Double Row Tapered Roller Bearings (Outside Direction) Metric system sizes B1 C r1 r

φD

φd

d 570∼1,115mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm rs min1

rls min1

Bearing numbers

kgf

Cor

6,300

16,600

640,000

1,690,000

CRI-11401

2.5

3,900

10,500

400,000

1,070,000

CRI-11801

176 264 300

6 7.5 7.5

3 4 4

3,900 7,400 8,600

8,550 15,400 18,400

400,000 755,000 875,000

870,000 1,570,000 1,870,000

4130/600 ☆4131/600G2 ☆4231/600G2

180 185 336 392

145 130 295 336

4 4 7.5 7.5

1.5 2 4 4

3,050 3,500 9,250 10,500

9,150 9,100 19,700 24,800

310,000 360,000 945,000 1,070,000

935,000 930,000 2,010,000 2,530,000

☆CRI-13402 ☆CRI-13401 ☆4131/670G2 ☆4231/670G2

1,030 1,030 1,030

236 236 295

208 208 236

7.5 7.5 7.5

4 4 4

5,900 5,750 6,900

13,900 14,000 16,100

600,000 590,000 700,000

1,420,000 1,430,000 1,640,000

☆4130/710G2 ☆CRI-14207 ☆CRI-14209

800

1,150

350

256

7.5

9,350

24,200

955,000

2,470,000

☆CRI-16001

1,040

1,290

350

270

2.5

8,850

30,000

900,000

3,050,000

☆CRI-20802

1,115

1,460

300

220

2.5

8,200

24,000

835,000

2,450,000

☆CRI-22303

static

570

815

345

265

590

780

255

178

600

870 980 980

200 300 388

670

830 880 1,090 1,090

710

1 Minimum allowable dimension for chamfer dimension r or r1. Remarks: 1. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-138

●Double Row Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center mm

Constant

Axial load factors

Mass

mm Sb

ras

rlas

min

max

598

781

2.5

318

0.35

1.95

2.90

1.91

512

612

754

38.5

288

0.39

1.74

2.59

1.70

291

628 636 636

828 925 923

12 18 44

5 6 6

2.5 3 3

277 350 380

0.37 0.40 0.38

1.80 1.68 1.77

2.69 2.50 2.64

1.76 1.64 1.73

348 858 1,050

688 688 706 706

809 845.5 1,033 1,021

17.5 27.5 20.5 28

3 3 6 6

1.5 2 3 3

283 317 397 397

0.40 0.45 0.40 0.37

1.68 1.51 1.68 1.80

2.50 2.25 2.50 2.69

1.64 1.48 1.64 1.76

201 277 1,180 1,410

746 746 746

974 974 982

14 14 29.5

6 6 6

3 3 3

327 324 362

0.37 0.36 0.39

1.80 1.87 1.73

2.69 2.79 2.58

1.76 1.83 1.69

640 654 810

836

1,092.5

400

0.37

1.80

2.69

1.76

1,119

1,068

1,260

472.3

0.40

1.68

2.50

1.64

975

1,137

1,396.5

554

0.47

1.43

2.12

1.40

1,255

B-139

(approx.)

●Double Row Tapered Roller Bearings (Outside Direction) Inch system sizes B1 C

φD

φd

d 139.700 ∼204.788mm Boundary dimensions dynamic mm

Basic load ratings static dynamic kN kgf

Bearing numbers static

Cor

139.700

307.975

200.025

155.575

1,740

2,780

177,000

283,000

T-HH234031/HH234011D+A

152.400

307.975 307.975

200.025 200.025

146.050 155.575

1,510 1,740

2,620 2,780

154,000 177,000

267,000 283,000

T-EE450601/451215D+A T-HH234048/HM234011D+A

160.325

288.925

142.875

111.125

1,160

2,140

119,000

218,000

T-HM237532/HM237510D+A

165.100

288.925 288.925

142.875 142.875

111.125 111.125

940 1,160

1,900 2,140

96,000 119,000

194,000 218,000

T-94649/94114D+A T-HM237535/HM237510D+A

174.625

288.925 288.925

142.875 142.875

111.125 111.125

940 1,160

1,900 2,140

96,000 119,000

194,000 218,000

T-94687/94114D+A T-HM237542/HM237510D+A

177.800

288.925 288.925 320.675 320.675

142.875 142.875 185.738 185.738

111.125 111.125 138.112 138.112

940 1,160 1,300 1,590

1,900 2,140 2,480 2,790

96,000 119,000 132,000 162,000

194,000 218,000 253,000 285,000

T-94700/94114D+A T-HM237545/HM237510D+A EE222070/222127D+A T-H239640/H239612D+A

187.325

282.575 320.675

107.950 185.738

79.375 138.112

625 1,590

1,230 2,790

63,500 162,000

126,000 285,000

T-87737/87112D+A T-H239649/H239612D+A

190.500

282.575 317.500 368.300

107.950 146.050 193.675

79.375 111.125 136.525

625 1,060 1,670

1,230 2,310 3,200

63,500 108,000 170,000

126,000 236,000 330,000

T-87750/87112D+A T-93750/93127D+A T-EE420751/421451D+A

193.675

282.575

107.950

79.375

625

1,230

63,500

126,000

T-87762/87112D+A

200.025

292.100 317.500 384.175

125.415 146.050 238.125

101.600 111.125 193.675

915 1,060 2,500

2,070 2,310 5,450

93,000 108,000 255,000

211,000 236,000 555,000

T-M241543/M241510D+A T-93787/93727D+A T-H247535/H247510D+A

203.200

276.225 282.575 292.100 317.500 368.300 406.400

90.485 101.600 125.415 146.050 193.675 196.850

73.025 82.550 101.600 111.125 136.525 127.000

585 620 915 1,060 1,670 1,650

1,380 1,570 2,070 2,310 3,200 2,950

60,000 63,000 93,000 108,000 170,000 168,000

141,000 160,000 211,000 236,000 330,000 300,000

LM241149/LM241110D+A T-67983/67920D+A T-M241547/M241510D+A T-93800/93127D+A T-EE420801/421451D+A EE114080/114161D+A

204.788

292.100

125.415

101.600

915

2,070

93,000

211,000

T-M241549/M241510D+A

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max.

B-140

●Double Row Tapered Roller Bearings (Outside Direction)

r1a Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center

Constant

Axial load factors

Mass kg

ras

rlas

min

max

(approx.)

180

285

9.7

2.3

149.5

0.33

2.07

3.08

2.02

65.9

189 191

275 285

9.7 9.7

2.3 2.3

143.5 149.5

0.33 0.33

2.07 2.07

3.08 3.08

2.02 2.02

62.6 62.6

192

271

1.5

119.5

0.32

2.12

3.15

2.07

36.1

197 195

272 271

7 7

1.5 1.5

141 119.5

0.47 0.32

1.44 2.12

2.15 3.15

1.41 2.07

35.1 35.1

204 202

272 271

7 7

1.5 1.5

141 119.5

0.47 0.32

1.44 2.12

2.15 3.15

1.41 2.07

33.1 33.1

207 205 204 202

272 271 298 301

7 7 3.5 3.5

1.5 1.5 1.5 1.5

141 119.5 152.5 141

0.47 0.32 0.40 0.32

1.44 2.12 1.68 2.12

2.15 3.15 2.50 3.15

1.41 2.07 1.64 2.07

32.4 32.4 57.8 57.8

207 214

267 301

3.5 5.5

1.5 1.5

115.5 141

0.42 0.32

1.62 2.12

2.42 3.15

1.59 2.07

21.1 55

209 218 227

267 300 334.4

3.5 4.3 6.4

1.5 1.5 1.5

115.5 162 163

0.42 0.52 0.40

1.62 1.29 1.68

2.42 1.92 2.50

1.59 1.26 1.64

20.6 41.2 84.1

211

267

3.5

1.5

115.5

0.42

1.62

2.42

1.59

219 225 241

279 300 362

3.5 4.3 6.4

1.5 1.5 1.5

116 162 182

0.33 0.52 0.33

2.03 1.29 2.03

3.02 1.92 3.02

1.98 1.26 1.98

24.8 38.8 112

220 222 221 227 230 246

267 275 279 300 334.4 374

3.5 3.5 3.5 4.3 3.3 6.4

0.8 0.8 1.5 1.5 1.5 3.3

95 133.5 116 162 163 252.5

0.32 0.51 0.33 0.52 0.40 0.80

2.12 1.33 2.03 1.29 1.68 0.85

3.15 1.97 3.02 1.92 2.50 1.26

2.07 1.30 1.98 1.26 1.64 0.83

13.8 17.1 24.1 37.1 79.9 107

223

279

3.5

1.5

116

0.33

2.03

3.02

1.98

23.8

B-141

●Double Row Tapered Roller Bearings (Outside Direction) Inch system sizes B1 C

φD

φd

d 206.375∼241.300mm Boundary dimensions dynamic mm

Basic load ratings static dynamic kN kgf

Bearing numbers static

Cor

206.375

282.575 336.550

101.600 211.138

82.550 169.862

620 1,900

1,570 4,050

63,000 194,000

160,000 415,000

T-67985/67920D+A T-H242649/H242610D+A

209.550

282.575 317.500

101.600 146.050

82.550 111.125

620 1,060

1,570 2,310

63,000 108,000

160,000 236,000

T-67989/67920D+A T-93825/93127D+A

212.725

285.750

98.425

76.200

650

1,640

66,500

167,000

T-LM742745/LM742710D+A

215.900

285.750 287.338

98.425 69.850

76.200 50.800

650 355

1,640 810

66,500 36,000

167,000 82,500

T-LM742749/LM742710D+A 543085/543115D+A

220.662

314.325

131.762

106.362

1,070

2,450

109,000

250,000

T-M244249/M244210D+A

228.460

431.800

196.850

111.125

1,470

2,480

150,000

253,000

EE113091/113171D+A

228.600

327.025 355.600 355.600 355.600 358.775 400.050 488.950

114.300 152.400 152.400 152.400 152.400 187.325 254.000

82.550 111.125 111.125 114.300 117.475 136.525 152.400

815 1,100 1,230 1,230 1,390 1,620 2,700

1,900 2,540 2,510 2,490 3,300 3,250 4,550

83,000 112,000 125,000 126,000 142,000 165,000 275,000

194,000 259,000 256,000 254,000 335,000 330,000 460,000

T-8573/8520D+A T-96900/96140D+A T-EE130902/131401D+A HM746646/HM746610D+A T-M249732/M249710D+A EE430900/431576D+A ☆T-HH949549/HH949510DG2+A

231.775

358.775

152.400

117.475

1,390

3,300

142,000

335,000

T-M249734/M249710D+A

234.950

311.150 327.025 355.600 384.175

98.425 114.300 152.400 238.125

73.025 82.550 111.125 193.675

695 815 1,100 2,500

1,640 1,900 2,540 5,450

71,000 83,000 112,000 255,000

167,000 194,000 259,000 555,000

LM446349/LM446310D+A T-8575/8520D+A T-96925/96140D+A T-H247549/H247510D+A

237.330

358.775

152.400

117.475

1,390

3,300

142,000

335,000

T-M249736/M249710D+A

241.300

327.025 349.148 368.300 393.700 406.400 444.500

114.300 127.000 120.650 157.162 215.900 209.550

82.550 101.600 85.725 109.538 184.150 158.750

815 940 790 1,340 2,460 2,380

1,900 2,010 1,630 2,800 4,750 4,250

83,000 96,000 80,500 137,000 251,000 243,000

194,000 205,000 166,000 286,000 485,000 430,000

T-8578/8520D+A EE127095/127136D+A EE170950/171450D+A T-EE275095/275156D+A T-H249148/H249111D+A ☆T-EE923095/923176DG2+A

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-142

●Double Row Tapered Roller Bearings (Outside Direction)

r1a Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center

Constant

Axial load factors

Mass kg

ras

rlas

min

max

(approx.)

224 231

275 318

3.5 3.3

0.8 1.5

133.5 160

0.51 0.33

1.33 2.03

1.97 3.02

1.30 1.98

16.5 65.2

227 233

275 300

3.5 4.3

0.8 1.5

133.5 161

0.51 0.52

1.33 1.29

1.97 1.92

1.30 1.26

16 36.3

230

279

3.5

0.8

126.5

0.48

1.40

2.09

1.37

15.7

233 232

279 276

3.5 3.5

0.8 0.8

126.5 94.5

0.48 0.38

1.40 1.77

2.09 2.64

1.37 1.73

15.1 11

245

300

6.4

1.5

122.5

0.33

2.03

3.02

1.98

28.9

274

397

6.4

3.3

276

0.88

0.77

1.14

0.75

116

255 260 257 258 256 271 297

313 334 330 339 343 367 456

6.4 7 6.8 6.4 3.5 10.5 6.4

1.5 1.5 1.5 1.5 1.5 1.5 1.5

129.5 185 132.5 164 138.5 181.5 333.5

0.41 0.59 0.33 0.47 0.33 0.44 0.94

1.66 1.14 2.04 1.43 2.03 1.54 0.72

2.47 1.70 3.04 2.12 3.02 2.29 1.07

1.62 1.12 2.00 1.40 1.98 1.50 0.70

27.3 49.4 49.4 49.4 50.9 88.3 207

263

343

6.4

1.5

138.5

0.33

2.03

3.02

1.98

252 259 265 269

301 313 334 362

3.5 6.4 7 6.4

0.8 1.5 1.5 1.5

111.5 129.5 185 181.5

0.36 0.41 0.59 0.33

1.86 1.66 1.14 2.03

2.77 2.47 1.70 3.02

1.82 1.62 1.12 1.98

17.9 25.9 47.5 96.2

267

343

6.4

1.5

138.5

0.33

2.03

3.02

1.98

48.2

264 267 269 278 273 277

313 329 337 378.1 385 407

6.4 6.4 6.4 6.4 6.4 6.4

1.5 1.5 1.5 1.5 1.5 1.5

129.5 133 132.5 162 177.5 170.5

0.41 0.35 0.36 0.40 0.33 0.34

1.66 1.91 1.85 1.68 2.03 2.00

2.47 2.85 2.76 2.50 3.02 2.98

1.62 1.87 1.81 1.64 1.98 1.96

24.3 35.4 40.8 66.5 101 128

B-143

●Double Row Tapered Roller Bearings (Outside Direction) Inch system sizes B1 C

φD

φd

d 244.475∼280.192mm Boundary dimensions dynamic mm

Basic load ratings static dynamic kN kgf

Bearing numbers static

Cor

244.475

381.000

171.450

127.000

1,300

2,880

132,000

294,000

EE126097/126151D+A

247.650

368.300 406.400

120.650 247.650

85.725 203.200

790 2,830

1,630 6,000

80,500 289,000

166,000 615,000

EE170975/171451D+A HH249949/HH249910D+A

249.250

381.000

171.450

127.000

1,300

2,880

132,000

294,000

EE126098/126151D+A

254.000

323.850 358.775 365.125 393.700 422.275 533.400

63.500 152.400 130.175 157.162 178.592 276.225

50.800 117.475 98.425 109.538 139.700 165.100

216 1,390 1,050 1,340 2,000 2,880

635 3,300 2,380 2,800 3,600 5,200

22,000 142,000 107,000 137,000 204,000 293,000

64,500 335,000 243,000 286,000 365,000 530,000

29875/29820D+A T-M249749/M249710D+A T-EE134100/134144D+A T-EE275100/275156D+A T-HM252343/HM252310D+A HH953749/HH953710D+A

260.350

365.125 400.050 419.100 422.275 488.950

130.175 155.575 184.150 178.592 254.000

98.425 107.950 136.525 139.700 196.850

1,050 1,220 1,580 2,000 3,000

2,380 2,460 3,250 3,600 5,950

107,000 124,000 161,000 204,000 310,000

243,000 251,000 330,000 365,000 605,000

T-EE134102/134144D+A EE221026/221576D+A EE435102/435165D+A T-HM252348/HM252310D+A EE295102/295192D+A

263.525

355.600

127.000

101.600

1,070

2,670

110,000

272,000

T-LM451345/LM451310D+A

266.700

323.850 355.600 393.700

63.500 127.000 157.162

50.800 101.600 109.538

216 1,070 1,340

635 2,670 2,800

22,000 110,000 137,000

64,500 272,000 286,000

29880/29820D+A T-LM451349/LM451310D+A T-EE275105/275156D+A

269.875

381.000

158.750

123.825

1,520

3,600

155,000

365,000

T-M252349/M252310D+A

273.050

393.700

157.162

109.538

1,340

2,800

137,000

286,000

T-EE275108/275156D+A

279.400

374.650 469.900 488.950

104.775 200.025 254.000

79.375 149.225 196.850

810 2,030 3,000

2,020 4,350 5,950

82,500 207,000 310,000

206,000 445,000 605,000

L555233/L555210D+A EE722110/722186D+A EE295110/295192D+A

279.982

380.898

139.700

107.950

1,140

3,100

116,000

315,000

T-LM654642/LM654610D+A

280.192

406.400

149.225

117.475

1,310

3,100

133,000

315,000

EE128111/128160D+A

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max.

B-144

●Double Row Tapered Roller Bearings (Outside Direction)

r1a Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center

Constant

Axial load factors

Mass kg

ras

rlas

min

max

275

358

6.4

1.5

186.5

0.52

1.31

1.95

1.28

274 284

337 383

6.4 6.4

1.5 1.5

132.5 189.5

0.36 0.33

1.85 2.03

2.76 3.02

1.81 1.98

39.2 112

279

358

6.4

1.5

186.5

0.52

1.31

1.95

1.28

62.2

267 274 281 287 287 328

312 343 347 378 400 496

1.5 3.5 6.4 6.4 6.8 6.4

0.8 1.5 1.5 1.5 1.5 1.5

105 138.5 140 162.5 160 365.5

0.35 0.33 0.37 0.40 0.33 0.94

1.95 2.03 1.80 1.68 2.03 0.71

2.90 3.02 2.69 2.50 3.02 1.06

1.91 1.98 1.76 1.64 1.98 0.70

11.2 42.8 39.2 62.2 88.9 266

286 296 295 292 299

347 372 395 400 451

6.4 9.7 6.4 6.8 6.4

1.5 1.5 1.5 1.5 1.5

140 159 225.5 160 196.5

0.37 0.39 0.61 0.33 0.31

1.80 1.71 1.11 2.03 2.16

2.69 2.54 1.66 3.02 3.22

1.76 1.67 1.09 1.98 2.12

37.3 62.7 86.8 86.3 190

283

343

3.5

1.5

136.5

0.36

1.87

2.79

1.83

31.7

277 285 296

312 343 378

1.5 3.5 6.4

0.8 1.5 1.5

105 136.5 162.5

0.35 0.36 0.40

1.95 1.87 1.68

2.90 2.79 2.50

1.91 1.83 1.64

9.37 30.7 57.6

296

364

6.4

1.5

146.5

0.33

2.03

3.02

1.98

52.3

301

378

6.4

1.5

162.5

0.40

1.68

2.50

1.64

55.3

300 321 303

362 433 451

3.5 9.7 1.3

1.5 1.5 1.5

138.5 187.5 196.5

0.40 0.38 0.31

1.68 1.78 2.16

2.50 2.65 3.22

1.64 1.74 2.12

28.5 125 179

302

368

3.5

1.5

163

0.43

1.56

2.33

1.53

40.7

309

384

6.8

1.5

158

0.39

1.75

2.61

1.71

56.5

B-145

(approx.)

●Double Row Tapered Roller Bearings (Outside Direction) Inch system sizes B1 C

φD

φd

d 285.750∼355.600mm Boundary dimensions dynamic mm

Basic load ratings static dynamic kN kgf

Bearing numbers static

Cor

285.750

358.775 380.898 501.650

76.200 139.700 203.200

53.975 107.950 120.650

450 1,140 1,960

1,080 3,100 3,700

46,000 116,000 200,000

110,000 315,000 375,000

545112/545142DA+A T-LM654649/LM654610D+A EE147112/147198D+A

288.925

406.400

165.100

130.175

1,740

4,150

177,000

425,000

M255449/M255410DA+A

292.100

374.650 469.900

104.775 200.025

79.375 149.225

810 2,030

2,020 4,350

82,500 207,000

206,000 445,000

L555249/L555210D+A EE722115/722186D+A

298.450

444.500

146.050

98.425

1,080

2,300

110,000

234,000

EE291175/291751D+A

299.974

495.300

301.625

247.650

4,200

9,800

425,000

1,000,000

☆HH258248/HH258210DG2+A

300.038

422.275

174.625

136.525

1,950

4,800

198,000

490,000

☆T-HM256849/HM256810DG2+A

304.800

393.700 438.048 444.500 495.300

107.950 165.100 146.050 196.850

82.550 120.650 98.425 146.050

835 1,380 1,080 2,120

2,070 3,200 2,300 4,700

85,500 141,000 110,000 216,000

211,000 325,000 234,000 480,000

L357049/L357010D+A T-EE129120X/129120D+A EE291201/291751D+A EE724120/724196D+A

317.500

444.500 447.675 622.300

146.050 180.975 304.800

98.425 146.050 174.625

1,080 1,990 3,250

2,300 4,800 6,250

110,000 203,000 330,000

234,000 485,000 640,000

EE291250/291751D+A T-HM259049/HM259010D+A ☆H961649/H961610DG2+A

330.200

482.600 482.600

133.350 177.800

88.900 127.000

1,200 1,640

2,870 3,950

122,000 167,000

293,000 400,000

T-EE161300/161901D+A EE526130/526191D+A

333.375

469.900

190.500

152.400

2,320

5,500

237,000

565,000

HM261049/HM261010DA+A

342.900

457.098 533.400

142.875 165.100

104.775 114.300

1,210 1,830

3,300 3,450

124,000 187,000

335,000 355,000

LM961548/LM961511D+A EE971354/972102D+A

346.075

482.600 488.950

133.350 200.025

88.900 158.750

1,200 2,540

2,870 6,400

122,000 259,000

293,000 650,000

T-EE161363/161901D+A ☆T-HM262749/HM262710DG2+A

349.250

514.350

193.675

152.400

2,040

4,550

209,000

465,000

EE333137/333203D+A

355.600

444.500 482.600

136.525 133.350

111.125 88.900

1,120 1,200

3,500 2,870

114,000 122,000

355,000 293,000

T-L163149/L163110D+A T-EE161400/161901D+A

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-146

●Double Row Tapered Roller Bearings (Outside Direction)

r1a Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center

ras

rlas

min

max

302 306 329

345 368 468

3.5 3.5 6.4

1.5 1.5 3.3

316

388

6.4

309 330

362 433

332

Constant

Axial load factors

Mass kg

(approx.)

144 163 307

0.49 0.43 0.84

1.38 1.56 0.81

2.05 2.33 1.20

1.34 1.53 0.79

15.7 38.7 151

1.5

157

0.34

2.00

2.98

1.96

3.5 9.7

1.5 1.5

138.5 187.5

0.40 0.38

1.68 1.78

2.50 2.65

1.64 1.74

25.2 118

414

1.5

164

0.38

1.78

2.65

1.74

69.3

342

467

6.4

1.5

231

0.33

2.03

3.02

1.98

328

403

6.4

1.5

163.5

0.34

2.00

2.99

1.96

67.4

329 334 337 359

380 411 414 459

6.4 6.4 8 16

1.5 1.5 1.5 1.5

133 179.5 164 195

0.36 0.42 0.38 0.40

1.87 1.62 1.78 1.68

2.79 2.42 2.65 2.50

1.83 1.59 1.74 1.64

29.3 71.4 66.8 131

346 341 410

414 428 582

8 3.5 14.3

1.5 1.5 3.3

164 162 430

0.38 0.33 0.95

1.78 2.02 0.71

2.65 3.00 1.06

1.74 1.97 0.70

61.8 78.8 382

367 360

455 454

7 6.4

1.5 1.5

200.5 183.5

0.50 0.39

1.35 1.72

2.01 2.56

1.32 1.68

72.2 96.3

363

449

6.4

1.5

179.5

0.33

2.02

3.00

1.97

91.3

367 373

443.1 496

3.3 4.8

1.5 1.5

253.5 170

0.71 0.33

0.95 2.03

1.41 3.02

0.93 1.98

57.1 120

379 377

455 467

7 6.4

1.5 1.5

200.5 187.5

0.50 0.33

1.35 2.02

2.01 3.00

1.32 1.97

66 104

382

478

6.4

1.5

197.5

0.36

1.85

2.76

1.81

121

374 386

430 455

3.5 7

1.5 1.5

151 200.5

0.31 0.50

2.20 1.35

3.27 2.01

2.15 1.32

B-147

205

42.5 62.1

●Double Row Tapered Roller Bearings (Outside Direction) Inch system sizes B1 C

φD

φd

d 355.600∼482.600mm Boundary dimensions dynamic mm

Basic load ratings static dynamic kN kgf

Bearing numbers static

Cor

355.600

501.650 514.350

155.575 193.675

107.950 152.400

1,550 2,040

3,650 4,550

158,000 209,000

375,000 465,000

T-EE231400/231976D+A EE333140/333203D+A

368.249

523.875

214.312

169.862

2,610

6,550

266,000

665,000

☆HM265049/HM265010DG2+A

371.475

501.650

155.575

107.950

1,550

3,650

158,000

375,000

T-EE231462/231976D+A

381.000

508.000 546.100 590.550

139.700 222.250 244.475

88.900 177.800 193.675

920 2,950 3,650

2,270 7,350 9,450

94,000 300,000 375,000

232,000 750,000 965,000

EE192150/192201D+A T-HM266446/HM266410D+A ☆T-M268730/M268710DG2+A

384.175

441.325 546.100 546.100

68.262 222.250 222.250

52.388 177.800 177.800

360 2,950 3,150

1,060 7,350 8,050

36,500 300,000 320,000

108,000 750,000 820,000

LL365340/LL365310D+A T-HM266448/HM266410D+A ☆T-HM266449/HM266410DG2+A

385.762

514.350

177.800

139.700

2,120

5,550

216,000

565,000

LM665949/LM665910D+A

396.875

539.750 546.100

142.875 158.750

101.600 117.475

1,330 1,330

3,300 3,300

136,000 136,000

335,000 335,000

EE234156/234213D+A EE234156/234216D+A

406.400

539.750 609.600

142.875 187.325

101.600 123.825

1,330 2,110

3,300 4,650

136,000 215,000

335,000 475,000

EE234160/234213D+A EE911600/912401D+A

415.925

590.550

244.475

193.675

3,650

9,450

375,000

965,000

☆T-M268749/M268710DG2+A

431.800

571.500 603.250 673.100

155.575 159.639 192.639

111.125 104.775 127.000

1,880 1,670 2,560

4,950 4,100 5,350

191,000 171,000 261,000

505,000 420,000 545,000

T-LM869448/LM869410D+A EE241701/242377D+A EE571703/572651D+A

447.675

635.000

257.175

206.375

4,150

11,100

425,000

1,130,000

☆M270749/M270710DAG2+A

457.200

596.900 730.148

165.100 254.000

120.650 177.800

1,670 4,350

4,700 8,750

170,000 445,000

480,000 895,000

479.425

679.450

276.225

222.250

4,900

13,000

500,000

1,320,000

482.600

615.950 634.873

184.150 177.800

146.050 142.875

2,320 2,000

6,700 6,150

237,000 204,000

685,000 630,000

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-148

EE244180/244236D+A EE671801/672875D+A ☆T-M272749/M272710DG2+A ☆LM272249/LM272210DG2+A EE243190/243251D+A

●Double Row Tapered Roller Bearings (Outside Direction)

r1a Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center

Constant

Axial load factors

Mass kg

ras

rlas

min

max

(approx.)

388 387

481 478

6.4 6.4

1.5 1.5

195 197.5

0.44 0.36

1.53 1.85

2.28 2.76

1.50 1.81

85.2 117

400

499

6.4

1.5

198.5

0.33

2.03

3.02

1.98

142

400

481

6.4

1.5

195

0.44

1.53

2.28

1.50

410 415 425

482 519 561

6.4 6.4 6.4

1.5 1.5 1.5

221 208 226

0.53 0.33 0.33

1.27 2.03 2.03

1.89 3.02 3.02

1.24 1.98 1.98

69 149 247

399 417 417

433 519 520

3.5 6.4 6.4

0.8 1.5 1.5

128.5 208 208

0.34 0.33 0.33

1.99 2.03 2.03

2.96 3.02 3.02

1.94 1.98 1.98

14.1 146 146

415

495

6.4

1.5

210.5

0.42

1.61

2.40

1.58

428 428

516 516

6.4 6.4

1.5 1.5

214.5 230.5

0.47 0.47

1.43 1.43

2.12 2.12

1.40 1.40

83.6 97.7

435 443

518 570

6.4 6.8

1.5 1.5

214.5 209

0.47 0.38

1.43 1.76

2.12 2.62

1.40 1.72

78.8 169

451

561

6.4

1.5

226

0.33

2.03

3.02

1.98

188

457 446 472

549 561 630

3.3 6.4 6.4

1.5 1.5 1.5

255.5 252.5 235.5

0.55 0.53 0.40

1.24 1.28 1.68

1.84 1.91 2.50

1.21 1.25 1.64

95.3 124 225

484

606

6.4

1.5

240

0.33

2.03

3.02

1.98

228

494 507

570 681

9.7 9.7

1.5 1.5

219 266

0.40 0.39

1.67 1.72

2.49 2.56

1.63 1.68

106 360

516

648

6.4

1.5

258.5

0.33

2.03

3.02

1.98

310

513 516

597 609

6.4 6.4

1.5 1.5

206.5 215

0.33 0.34

2.03 1.98

3.02 2.94

1.98 1.93

118 148

B-149

77.3

●Double Row Tapered Roller Bearings (Outside Direction) Inch system sizes B1 C

φD

φd

d 488.950∼1,270.000mm Boundary dimensions dynamic mm d

488.950

634.873 660.400

180.975 206.375

136.525 158.750

2,500 3,150

489.026

634.873

177.800

142.875

498.475

634.873

177.800

508.000

838.200

533.400

Basic load ratings static dynamic kN kgf Cor

Bearing numbers static

Cor

6,950 8,050

255,000 320,000

710,000 820,000

2,000

6,150

204,000

630,000

EE243192/243251D+A

142.875

2,000

6,150

204,000

630,000

EE243196/243251D+A

304.800

222.250

5,450

12,800

555,000

1,310,000

EE426200/426331D+A

812.800

269.875

187.325

4,450

10,400

455,000

1,060,000

EE626210/626321D+A

536.575

761.873

311.150

247.650

5,900

15,200

600,000

1,550,000

549.275

692.150

174.625

136.525

2,320

6,950

236,000

710,000

L476549/L476510D+A

558.800

736.600 736.600 736.600

165.100 187.328 225.425

114.300 138.112 177.800

2,050 2,500 3,150

5,400 6,750 8,800

209,000 255,000 325,000

550,000 690,000 895,000

EE542220/542291D+A EE843220/843291D+A LM377449/LM377410D+A

571.500

812.800

333.375

263.525

6,950

18,300

710,000

1,870,000

☆M278749/M278710DAG2+A

609.600

787.400 812.800

206.375 190.500

158.750 146.050

3,750 2,860

10,100 7,850

380,000 292,000

1,030,000 800,000

☆EE649240/649311DG2+A EE743240/743321D+A

660.400

812.800

203.200

158.750

3,250

10,300

330,000

1,060,000

L281148/L281110DA+A

711.200

914.400

190.500

139.700

3,100

8,950

315,000

910,000

☆EE755280/755361DG2+A

723.900

914.400

187.325

139.700

3,100

8,950

315,000

910,000

☆EE755285/755361DG2+A

977.900 1,130.300

139.700

101.600

2,050

7,200

209,000

735,000

LL687949/LL687910D+A

1,270.000 1,435.100

146.050

101.600

2,730

10,100

278,000

1,030,000

LL889049/LL889010D+A

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-150

LM772748/LM772710DA+A ☆T-EE640192/640261DG2+A

☆M276449/M276410DG2+A

●Double Row Tapered Roller Bearings (Outside Direction)

r1a Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center

ras

rlas

min

max

522 522

613 627

6.4 6.4

1.5 1.5

522

609

6.4

528

609

564

Constant

Axial load factors

Mass kg

262 216

0.47 0.31

1.43 2.20

2.12 3.27

1.40 2.15

130 178

1.5

215

0.34

1.98

2.94

1.93

140

6.4

1.5

215

0.34

1.98

2.94

1.93

129

768

9.7

3.3

357

0.48

1.41

2.09

1.37

592

585

762

9.7

3.3

322.5

0.44

1.52

2.26

1.49

444

576

726

6.4

1.5

290

0.33

2.03

3.02

1.98

398

579

666

6.4

1.5

239

0.38

1.79

2.67

1.75

135

594 591 594

705 708 708

6.4 6.4 6.4

3.3 1.5 1.5

298 231 256.5

0.51 0.34 0.35

1.32 1.98 1.95

1.96 2.94 2.90

1.29 1.93 1.91

166 189 227

615

774

6.4

1.5

308

0.33

2.03

3.02

1.98

487

642 645

764 765

6.4 6.4

1.5 3.3

254 254

0.33 0.33

2.03 2.06

3.02 3.06

1.98 2.01

235 241

693

789

6.4

1.5

667.5

0.37

1.80

2.69

1.76

199

750

876

6.4

3.3

295.5

0.38

1.77

2.64

1.73

275

756

876

5.5

3.3

295.5

0.38

1.77

2.64

1.73

256

1,010

1,100

6.4

3.3

376

0.44

1.54

2.30

1.51

196

1,305

1,400

6.4

3.3

586.5

0.58

1.17

1.75

1.15

285

B-151

(approx.)

●Double Row Tapered Roller Bearings (Inside Direction) Metric system sizes C1 r r1 B φD

φd

d 100∼180mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C1

100

250

116

105

170

110

180 190 200

rs min1

rls min1

Bearing numbers static kgf

Cor

790

1,050

80,500

107,000

CRD-2051

2.5

420

860

42,500

87,500

CRD-2151

56 102 82

56 98 82

2 3 2.5

2.5 1.5 1

298 515 555

485 950 865

30,500 52,500 56,500

49,500 96,500 88,500

323122 CRD-2252 CRD-2254

120

170 180 200 215 280

120 46 62 113 150

120 46 62 113 140

2 2 2 2.5 3

2 2.5 2.5 2.5 3

415 230 370 735 1,130

890 375 610 1,300 1,840

42,500 23,500 38,000 75,000 115,000

91,000 38,000 62,500 133,000 187,000

CRD-2421 323024 323124 CRD-2420 CRD-2422

130

190 195 200 210

120 120 52 64

1.5 2.5 2 2

1.5 1.5 2.5 2.5

415 475 294 410

840 1,040 490 675

42,000 48,500 29,900 42,000

85,500 106,000 50,000 69,000

CRD-2652 CRD-2654 323026 323126

140

210 225

53 68

2 2.5

2.5 3

300 390

535 650

30,500 40,000

54,500 66,000

150

225 250 250

56 80 110

2.5 2.5 2.5

3 3 2.5

355 600 855

630 1,040 1,590

36,000 61,500 87,500

64,500 106,000 162,000

323030 323130 CRD-3052

160

240 240 260 270 270

60 110 130 86 116

2.5 2.5 3 2.5 2.5

3 2.5 1.5 3 2.5

430 750 880 675 835

765 1,560 1,740 1,180 1,640

44,000 76,500 89,500 69,000 85,500

78,000 159,000 178,000 120,000 167,000

323032 CRD-3254 CRD-3253 323132E1 CRD-3208

170

260 280 280

67 76 88

2.5 2.5 2.5

3 2.5 3

490 550 725

865 900 1,270

50,000 56,000 74,000

88,000 92,000 130,000

323034 CRD-3413 323134E1

177.000

248.000

90.488

3.3

1.57

515

1,180

52,500

120,000

＊CRD-3502

180

280

2.5

580

1,050

59,500

107,000

323036E1

1 Minimum allowable dimension for chamfer dimension r or r1. Remarks: 1. The marked "＊" bearings are inch system sizes.

2 "−" means the load center is out side the inner ring.

B-152

323028 323128

●Double Row Tapered Roller Bearings (Inside Direction)

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDa

φda

Abutment and fillet dimensions mm Da

da max

ras

rlas

max

Load2 center mm

Constant

Axial load factors

Mass kg

max

min

135

232

200

4.5

– 14.5

0.40

1.68

2.50

1.64

124.5

158

148.5

2.5

– 22.5

0.29

2.35

3.50

2.30

124 128.5 128.5

170 176 188

160 160 170.5

8 5 4

2 2.5 2

2 1.5 1

1 – 16 –2

0.33 0.42 0.42

2.03 1.62 1.61

3.02 2.42 2.39

1.98 1.59 1.57

5.6 12.1 11.3

130.5 134 134 141 172

160 170 190 203 266

149 164 175 180.5 237

0.4 8 8 4.3 7.3

2 2 2 2 2.5

– 49 12 6.5 – 22 – 28.5

0.25 0.37 0.37 0.35 0.33

2.69 1.80 1.80 1.95 2.03

4.00 2.69 2.69 2.90 3.02

2.63 1.76 1.76 1.91 1.98

8.57 4.08 7.82 17.7 47.3

144 142.5 144 144

181.5 183 190 200

171 166 184 185

2 2.7 8 8

1.5 2 2 2

1.5 1.5 2 2

– 43.5 – 26.5 13.5 7.5

0.33 0.47 0.37 0.37

2.03 1.43 1.80 1.80

3.02 2.12 2.69 2.69

1.98 1.40 1.76 1.76

11.4 12.5 5.92 8.58

155 156

200 213

190 200

8 10

2 2

2 2.5

10 8

0.37 0.37

1.84 1.80

2.74 2.69

1.80 1.76

6.4 10.7

165 168 169

213 238 238

205 220 213

10 10 4.4

2 2 2

2.5 2.5 2

15.5 6.5 1

0.37 0.37 0.46

1.80 1.80 1.47

2.69 2.69 2.19

1.76 1.76 1.44

7.76 15.7 21.7

175 175.5 175 178 184.5

228 228 246 258 258

215 211 213 240 227

10 2.1 3.5 10 4.2

2 2 2.5 2 2

2.5 2 1.5 2.5 2

17.5 – 14.5 15 8 – 4.5

0.37 0.33 0.62 0.37 0.40

1.80 2.03 1.09 1.80 1.68

2.69 3.02 1.62 2.69 2.50

1.76 1.98 1.06 1.76 1.64

9.46 17.3 26.9 20 27.1

185 195 188

248 264 268

235 245 250

10 4.5 10

2 2 2

2.5 2 2.5

18 18 8.5

0.37 0.40 0.37

1.80 1.68 1.80

2.69 2.50 2.69

1.76 1.64 1.76

12.8 18.5 21.5

189

234

218

3.4

3.3

1.5

15.5

0.44

1.52

2.26

1.49

13.45

198

268

250

2.5

0.37

1.80

2.69

1.76

16.5

B-153

(approx.)

30 7.92

●Double Row Tapered Roller Bearings (Inside Direction) Metric system sizes C1 r r1 B φD

φd

d 180∼280mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C1

rs min1

Bearing numbers static kgf

rls min1

Cor

885 1,710

1,530 3,250

90,500 175,000

156,000 330,000

323136E1 CRD-3615

Cor

180

300 330

96 190

3 5

4 1.5

190

290 320

75 104

2.5 3

3 4

615 985

1,110 1,710

63,000 100,000

113,000 174,000

323038E1 323138

195

305

120

2.5

1,130

2,200

115,000

225,000

CRD-3906

200

310 340 340 340 420

82 112 140 150 235

2.5 3 3 3 5

3 4 3 1.5 2

720 1,090 1,490 1,290 3,000

1,320 1,910 2,780 2,490 5,350

73,000 111,000 152,000 131,000 305,000

135,000 195,000 283,000 254,000 545,000

323040E1 323140 CRD-4019 CRD-4015 ☆CRD-4020

220

320 340 370

76.2 90 120

2.5 3 4

2.5 4 5

630 880 1,220

1,220 1,650 2,260

64,500 89,500 125,000

125,000 168,000 230,000

CRD-4405 323044E1 323144

240

360 395 400 400 400

92 124 128 160 160

3 4 4 4 4

4 4 5 4 4

910 1,400 1,400 1,770 1,770

1,770 2,630 2,600 3,550 3,550

92,500 143,000 142,000 181,000 181,000

181,000 268,000 265,000 360,000 36,000

323048E1 CRD-4804 323148 CRD-4805 CRD-4811

241.300

355.524

109.538

3.3

1.57

940

2,010

96,000

205,000

＊CRD-4803

259.5

481

250

3,250

6,650

330,000

680,000

CRD-5215

260

400 400 440

104 150 144

4 4 4

5 4 5

1,150 1,470 1,960

2,190 3,200 3,750

117,000 150,000 200,000

223,000 325,000 380,000

323052 CRD-5212 323152

260.350

419.100

180.000

158.750

3.3

1.57

1,580

3,250

161,000

330,000

＊CRD-5217

270

395

1,090

2,290

111,000

233,000

CRD-5403

280

420 460

106 146

4 5

5 6

1,200 1,940

2,340 3,650

123,000 198,000

238,000 375,000

323056 323156

1 Minimum allowable dimension for chamfer dimension r or r1. 2 "−" means the load center is out side the inner ring. Remarks: 1. The marked "＊" bearings are inch system sizes. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-154

●Double Row Tapered Roller Bearings (Inside Direction)

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDa

φda

Abutment and fillet dimensions mm Da

da max

Load2 center mm

Constant

Axial load factors

Mass kg

ras

rlas

min

max

min

200 197.5

286 238

265 264

12 3.5

2.5 4

3 1.5

8 – 5.5

0.37 0.58

1.80 1.17

2.69 1.75

1.76 1.15

27.2 71.6

208 212

278 306

260 285

12 12

2 2.5

2.5 3

17.5 8.5

0.37 0.37

1.80 1.80

2.69 2.69

1.76 1.76

17.9 34

215

293

267

2.5

–1

0.37

1.80

2.69

1.76

32.5

218 222 226.5 224 248.5

298 326 326 326 398

280 300 290 277.5 341

12 12 7.8 3.1 6.3

2 2.5 2.5 2.5 4

2.5 3 2.5 1.5 2

19 8.5 – 1.5 – 2.5 – 48.5

0.37 0.37 0.40 0.42 0.37

1.80 1.80 1.68 1.60 1.80

2.69 2.69 2.50 2.39 2.69

1.76 1.76 1.64 1.57 1.76

21.7 41.7 52.1 55.9 158

244 242 248

308 326 352

288 310 325

5.5 12 14

2 2.5 3

2 3 4

28.5 21.5 14

0.39 0.37 0.40

1.74 1.80 1.68

2.59 2.69 2.50

1.70 1.76 1.64

20.3 29.8 52.2

262 276 268 275 275

346 377 382 382 382

330 345 355 343 342

14 6.6 14 7.5 7.5

2.5 3 3 3 3

3 3 4 3 3

23.5 20.5 17 –1 –1

0.37 0.40 0.40 0.40 0.40

1.80 1.68 1.68 1.68 1.68

2.69 2.50 2.50 2.50 2.50

1.76 1.64 1.64 1.64 1.64

32.6 60.2 64.6 80.7 80.7

265

341

311.5

3.5

3.3

1.5

0.35

1.91

2.85

1.87

36.8

297

459

385

3.5

–7

0.49

1.38

2.06

1.35

285 289 290

382 382 422

365 345 385

14 3.4 16

3 3 3

4 3 4

25 15 16.5

0.37 0.43 0.40

1.80 1.57 1.68

2.69 2.34 2.50

1.76 1.53 1.64

47.3 68.3 90

287

405

355

7.5

3.3

1.5

49.5

0.61

1.11

1.66

1.09

95.7

300

381

353

7.1

2.5

0.35

1.95

2.90

1.91

38.5

305 315

402 438

385 400

3 4

4 5

29.5 16

0.37 0.40

1.80 1.68

2.69 2.50

1.76 1.64

51.2 95.8

5.4

16 16

B-155

(approx.)

202

●Double Row Tapered Roller Bearings (Inside Direction) Metric system sizes C1 r r1 B φD

φd

d 300∼420mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C1

rs min1

rls min1

Bearing numbers static kgf

Cor

300

460 500

118 160

4 5

5 6

1,610 2,100

3,150 4,050

165,000 214,000

320,000 415,000

323060 323160

304.648

438.048

128.575

138.112

4.83

3.3

1,480

3,450

151,000

350,000

＊CRD-6132

320

480 510.8 540 580 620

121 220 176 240 280

4 4 5 5 5

5 4 6 3 5

1,580 3,100 2,500 3,700 5,250

3,100 6,850 4,900 7,800 10,300

162,000 320,000 255,000 380,000 535,000

315,000 700,000 500,000 795,000 1,050,000

323064 CRD-6409 323164 ☆CRD-6415 ☆CRD-6420

340

470 520 580

110 133 190

3 5 5

3 6 6

1,320 1,890 3,350

3,050 3,750 6,500

134,000 193,000 345,000

310,000 380,000 660,000

CRD-6804 323068 323168

350

480 590

110 192

4 5

1,400 3,200

3,150 6,100

143,000 330,000

320,000 620,000

CRD-7015 CRD-7011

360

540 600 680

134 192 320

134 192 330

5 5 6

6 6 6

2,050 3,200 6,500

4,200 6,500 13,900

209,000 325,000 665,000

430,000 660,000 1,410,000

323072 323172 ☆CRD-7207

379

681.5 681.5

307 307

6 6

6,450 6,450

14,300 14,300

660,000 660,000

1,460,000 1,460,000

☆CRD-7615 ☆CRD-7621

380

560 620

135 194

5 5

6 6

2,080 3,350

4,350 6,700

213,000 340,000

445,000 685,000

323076 323176

385

530

180

2,370

5,750

241,000

590,000

CRD-7701

400

590 590 600 650 650 730 780

142 142 148 200 250 340 380

5 5 5 6 6 7.5 7.5

5 5 6 6 6 7.5 7.5

2,400 2,080 2,530 3,750 4,900 7,400 8,800

5,050 4,150 5,450 7,850 10,500 15,900 17,700

245,000 212,000 258,000 385,000 500,000 755,000 900,000

515,000 425,000 555,000 800,000 1,070,000 1,620,000 1,800,000

☆CRD-8008 ☆CRD-8012 323080 323180 ☆CRD-8017 ☆CRD-8029 ☆CRD-8040

420

520

1.5

1,020

2,700

105,000

275,000

CRD-8402

B-156

●Double Row Tapered Roller Bearings (Inside Direction)

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDa

φda

Abutment and fillet dimensions mm Da

da max

Load2 center mm

Constant

Axial load factors

Mass kg

ras

rlas

min

max

3 4

4 5

31 18

0.37 0.40

1.80 1.68

2.69 2.50

1.76 1.64

70.7 126

0.60

1.12

1.67

1.10

62.8

34 – 23 18.5 3 – 16.5

0.37 0.35 0.40 0.43 0.43

1.80 1.95 1.68 1.57 1.57

2.69 2.90 2.50 2.34 2.34

1.76 1.91 1.64 1.53 1.53

76.3 173 164 288 390

max

min

330 335

442 478

425 440

327

416

379.5

5.2

4.8

3.3

350 358 355 379 360

462 493 518 558 598

440 442.5 480 480 544

16 2.5 18 5.5 19.5

3 3 4 2.5 4

4 3 5 4 4

369 370 380

456 498 558

424 480 515

6.5 18 18

2.5 4 4

2.5 5 5

49.5 36 35.5

0.40 0.37 0.40

1.68 1.80 1.68

2.50 2.69 2.50

1.64 1.76 1.64

57.8 101 207

376.5 407

462 568

436 515

5.4 3.5

3 4

57.5 6

0.42 0.33

1.62 2.03

2.42 3.02

1.59 1.98

58.7 218

395 400 431

518 578 652

495 535 552

18 18 16.5

4 4 5

5 5 5

41 25.5 – 12

0.37 0.40 0.47

1.80 1.68 1.43

2.69 2.50 2.12

1.76 1.64 1.40

107 218 570

456 456

653.5 653.5

575 575

19.5 15.5

5 5

– 18.5 – 18.5

0.40 0.40

1.68 1.68

2.50 2.50

1.64 1.64

525 525

418 428

538 598

504 537.5

18 20

4 4

5 5

44.5 29

0.37 0.40

1.80 1.68

2.69 2.50

1.76 1.64

110 231

407.5

512

476

7.5

0.43

1.57

2.34

1.53

116

440.5 440.5 440 445 457.5 470 477.5

568 568 578 622 622 694 744

533 533 550 580 565 604 639

8.5 8.5 18 20 11.5 20.5 16.6

4 4 4 5 5 6 6

4 4 5 5 5 6 6

28.5 36.5 45 32.5 –1 – 32 – 47

0.33 0.33 0.37 0.40 0.39 0.40 0.40

2.03 2.03 1.80 1.68 1.74 1.68 1.68

3.02 3.02 2.69 2.50 2.59 2.50 2.50

1.98 1.98 1.76 1.64 1.70 1.64 1.64

134 134 146 259 325 672 895

441

502

486

6.5

1.5

99.5

0.47

1.43

2.12

1.40

16 16

B-157

(approx.)

41.9

●Double Row Tapered Roller Bearings (Inside Direction) Metric system sizes C1 r r1 B φD

φd

d 420∼630mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C1

Bearing numbers static kgf

rs min1

rls min1

Cor

420

620 700 735

150 224 406

5 6 7.5

6 6 7.5

2,650 4,800 8,600

5,900 9,700 20,400

270,000 490,000 880,000

600,000 990,000 2,080,000

323084 323184 ☆CRD-8405

440

650 720 730

157 226 290

6 6 6

2,600 5,000 6,400

5,450 10,300 13,900

266,000 510,000 650,000

560,000 1,050,000 1,420,000

323088 323188 ☆CRD-8822

450

720

300

7.5

5,550

12,600

565,000

1,290,000

☆CRD-9011

458

830.5

377

7.5

9,250

20,100

940,000

2,050,000

☆CRD-9203

460

680 760 860

163 240 420

6 7.5 6

3,050 4,900 10,500

6,600 10,300 22,700

310,000 500,000 1,070,000

670,000 1,050,000 2,320,000

323092 323192 ☆CRD-9204

480

700 790

165 248

6 7.5

3,050 5,300

6,700 11,100

310,000 540,000

685,000 1,130,000

323096 323196

481.228

615.950

158.750

6.4

3.3

2,240

6,450

228,000

660,000

☆＊CRD-9605

482.600

615.950 615.950

158.750 163.750

158.750 158.750

6.4 6.4

3.3 3.3

2,240 2,430

6,450 7,100

228,000 248,000

660,000 725,000

☆＊CRD-9709 ☆＊CRD-9708

500

670 720 820 830

150 167 256 264

5 6 9.5 7.5

2.5 6 9.5 7.5

2,400 3,100 5,250 6,400

6,100 6,900 11,900 14,000

245,000 315,000 535,000 650,000

625,000 700,000 1,210,000 1,420,000

CRD-10005 3230/500 CRD-10008 ☆3231/500G2

560

820

195

4,550

10,300

465,000

1,050,000

☆CRD-11207

585.788

771.525

230.188

6.4

3.3

4,300

12,900

440,000

1,310,000

☆＊CRD-11701

600

760 870

115 380

115 400

4 7.5

4 4

1,740 8,500

4,400 24,100

178,000 865,000

450,000 2,460,000

CRD-12005 ☆CRD-12006

630

920

212

7.5

5,350

12,800

545,000

1,310,000

☆3230/630G2

B-158

●Double Row Tapered Roller Bearings (Inside Direction)

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDa

φda

Abutment and fillet dimensions mm Da

da max

ras

rlas

min

max

Load2 center mm

Constant

Axial load factors

Mass kg

max

min

460 465 489.5

598 672 699

570 625 609

20 25 6.2

4 5 6

5 5 6

48.5 60 – 67

0.37 0.40 0.37

1.80 1.68 1.80

2.69 2.50 2.69

1.76 1.64 1.76

154 346 780

480 485 503.5

622 692 702

600 645 632

20 25 10

5 5 5

53.5 44 – 24.5

0.37 0.40 0.33

1.80 1.68 2.03

2.69 2.50 3.02

1.76 1.64 1.98

177 361 513

500.5

684

619.5

15.5

–8

0.43

1.57

2.34

1.53

483

537

794.5

690.5

19.5

– 29

0.40

1.68

2.50

1.64

890

500 525 547

652 724 832

620 660 709.5

25 25 19.5

5 6 5

56.5 34.5 – 43

0.37 0.40 0.40

1.80 1.68 1.68

2.69 2.50 2.50

1.76 1.64 1.64

201 431 1,120

520 547.5

672 754

640 688.5

25 30

5 6

63 36

0.37 0.40

1.80 1.68

2.69 2.50

1.76 1.64

211 478

500

577

557

6.5

3.3

6.4

133.5

0.61

1.11

1.66

1.09

108

500 504

577 585

557 567.5

6.5 6.5

3.3 3.3

6.4 6.4

133.5 35.5

0.61 0.33

1.11 2.03

1.66 3.02

1.09 1.98

108 121

536 540 583.5 550

648 692 776 794

609 655 709 740

7.5 25 7.5 30

2 5 8 6

4 5 8 6

75.5 61.5 44 37.5

0.40 0.37 0.40 0.40

1.68 1.80 1.68 1.68

2.50 2.69 2.50 2.50

1.64 1.76 1.64 1.64

148 221 535 570

620

792

738

54.5

0.35

1.92

2.86

1.88

347

622.5

743.5

698

10.5

3.3

6.4

31.5

0.35

1.95

2.90

1.91

285

639 641

742 834

708 747

5 7.5

3 3

3 6

110.5 5.5

0.37 0.47

1.80 1.43

2.69 2.12

1.76 1.40

120 758

399

884

825.5

8.5

93.5

0.40

1.68

2.50

1.64

479

B-159

(approx.)

●Double Row Tapered Roller Bearings (Inside Direction) Metric system sizes C1 r r1 B φD

φd

d 660.4∼1,400mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C1

rs min1

Bearing numbers static kgf

rls min1

Cor

101.600

2.5

1,250

4,250

128,000

435,000

＊CRD-13209

150

160

2,850

8,600

291,000

880,000

CRD-14003

1,150

345

10,900

25,300

1,120,000

2,580,000

☆3231/710BG2

850

1,250

370

7.5

11,800

31,500

1,210,000

3,250,000

☆CRD-17003

1,400

1,600

180

2.5

4,400

16,300

445,000

1,670,000

CRD-28003

660.400

762.000

700

890

710

98.425

B-160

●Double Row Tapered Roller Bearings (Inside Direction)

r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDa

φda

Abutment and fillet dimensions mm Da

Load2 center mm

Constant

Axial load factors

Mass kg

ras

rlas

min

max

684

748

724

4.5

2.5

198.5

0.53

1.27

1.89

1.24

746

868

817

6.5

– 5.5

0.45

1.50

2.24

1.47

224

828

1,098

1,012

1.5

0.32

2.12

3.15

2.07

1,464

942

1,214

1,104

13.5

81.5

0.40

1.68

2.50

1.64

1,562

1,437.5

1,578

1,524

11.5

445.5

0.55

1.24

1.84

1.21

534

B-161

(approx.)

71.1

●Double Row Tapered Roller Bearings (Inside Direction) Inch system sizes C1 r r1 B φD

φd

d 152.400∼276.225mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

Cor

152.400

307.975

171.450

161.924

1,510

2,620

154,000

267,000

177.800

288.925 288.925

123.825 123.825

940 1,160

1,900 2,140

96,000 119,000

194,000 218,000

187.325

319.964

161.925

168.276

1,590

2,790

162,000

285,000

190.500

365.049

152.400

158.750

1,670

3,200

171,000

330,000

203.200

317.500 365.049

123.825 152.400

123.825 158.750

1,060 1,670

2,310 3,200

108,000 171,000

236,000 330,000

206.375

336.550

184.150

180.976

1,900

4,050

194,000

415,000

215.900

285.750

85.725

650

1,640

66,500

167,000

219.075

358.775

200.025

196.850

2,130

4,550

217,000

465,000

220.662

314.325

115.888

115.886

1,070

2,450

109,000

250,000

228.600

400.050

139.700

1,500

2,870

153,000

293,000

241.478

349.148

107.950

940

2,010

96,000

205,000

244.475

327.025 381.000

92.075 146.050

835 1,300

2,050 2,880

85,000 132,000

209,000 294,000

247.650

406.400

219.075

215.900

2,830

6,000

289,000

615,000

254.000

358.775 368.300

130.175 92.862

130.175 92.710

1,390 790

3,300 1,630

142,000 80,500

335,000 166,000

260.350

400.050

114.300

119.060

1,220

2,460

124,000

251,000

266.700

355.600

109.538

107.950

1,070

2,670

110,000

272,000

269.875

381.000

136.525

1,520

3,600

155,000

365,000

276.225

393.700

130.175

1,340

2,800

137,000

286,000

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max.

B-162

●Double Row Tapered Roller Bearings (Inside Direction)

Sa Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a ra

φDa

φda

Bearing numbers

Abutment and fillet dimensions

Load1 center

mm ras

mm rlas

min

max

187.5

269

9.7

T-94706D/94113+A T-HM237546D/HM237510+A

195 194

259 266

T-H239649D/H239610+A

209

T-EE420750D/421437+A

Constant

Axial load factors

Mass kg

(approx.)

6.8

–40.5

0.33

2.07

3.08

2.02

60.5

1.5 1.5

3.3 3.3

1.5 –20

0.47 0.32

1.44 2.12

2.15 3.15

1.41 2.07

31.6 31.6

293

3.3

4.8

–35

0.32

2.12

3.15

2.07

53.7

221

329

3.3

–5.5

0.40

1.68

2.50

1.64

72.8

T-93800D/93125+A T-EE420800D/421437+A

222 230

286 329

1.5 3.3

3.3 3.3

19 –5.5

0.52 0.40

1.29 1.68

1.92 2.50

1.26 1.64

36.3 69.0

T-H242649D/H242610+A

227

306

1.5

3.3

–35

0.33

2.03

3.02

1.98

64.1

T-LM742749D/LM742710+A

229

266

2.3

3.3

0.48

1.40

2.09

1.37

14.8

H244849D/H244810A+A

242

323

1.5

6.4

–42

0.33

2.03

3.02

1.98

79.5

T-M244249D/M244210+A

235

293

1.5

3.3

–97

0.33

2.03

3.02

1.98

28.6

EE529091D/529157+A

256

367

3.3

–8

0.31

2.18

3.24

2.13

74.2

EE127097D/127135+A

258

325

1.5

3.3

12.5

0.35

1.91

2.85

1.87

33.8

LM247748D/LM247710A+A EE126096D/126150+A

257 269

310 343

1.5 3.3

3.3 4.8

12.5 28.5

0.32 0.52

2.09 1.31

3.11 1.95

2.04 1.28

21.4 61.4

HH249949D/HH249910+A

278

366

3.3

6.4

–42

0.33

2.03

3.02

1.98

T-M249748D/M249710+A EE170975D/171450+A

273 269

335 340

3.3 1.5

3.3 3.3

–1 20

0.33 0.36

2.03 1.85

3.02 2.76

1.98 1.81

41.2 32.5

EE221025D/221575+A

290

366

6.4

24.5

0.39

1.71

2.54

1.67

52.0

T-LM451349D/LM451310+A

281

335

1.5

3.3

0.36

1.87

2.79

1.83

29.9

T-M252349D/M252310+A

290

356

3.3

0.5

0.33

2.03

3.02

1.98

48.6

T-EE275109D/275155+A

294

366

1.5

6.4

22.5

0.40

1.68

2.50

1.64

50.5

T-450900D/451212+A

1 "−" means the load center is out side the inner ring.

B-163

112

●Double Row Tapered Roller Bearings (Inside Direction) Inch system sizes C1 r r1 B φD

φd

d 279.400∼384.175mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

Cor

279.400

393.700 457.200

127.000 244.475

1,130 3,550

2,670 7,900

115,000 365,000

272,000 805,000

285.750

380.898

117.475

1,140

3,100

116,000

315,000

288.925

406.400

144.462

144.463

1,740

4,150

177,000

425,000

300.038

422.275

150.812

150.813

1,950

4,800

198,000

490,000

304.648

438.048

131.762

1,440

3,250

147,000

330,000

304.800

419.100 444.500

130.175 107.950

130.175 111.126

1,400 1,080

3,400 2,300

142,000 110,000

350,000 234,000

304.902

412.648

128.588

1,500

3,700

153,000

380,000

305.000

438.048

134.145

138.112

1,530

3,450

156,000

350,000

317.500

422.275 447.675

128.588 158.750

128.587 158.750

1,320 1,990

3,500 4,800

135,000 203,000

360,000 485,000

333.375

469.900

166.688

2,320

5,500

237,000

565,000

343.052

457.098

122.238

1,380

3,450

141,000

350,000

346.075

488.950

174.625

2,490

6,150

254,000

630,000

347.662

469.900

138.112

1,860

4,550

190,000

465,000

355.600

444.500 457.200 482.600 488.950 501.650

114.300 120.650 128.588 153.988 111.125

112.712 120.650 133.350 153.988 127.000

1,120 1,440 1,630 2,030 1,550

3,500 3,900 3,850 5,000 3,650

114,000 147,000 166,000 207,000 158,000

355,000 400,000 390,000 510,000 375,000

368.300

523.875

185.738

2,610

6,550

266,000

665,000

384.175

546.100

193.675

3,150

8,050

320,000

820,000

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-164

●Double Row Tapered Roller Bearings (Inside Direction)

Sa Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a ra

φDa

φda

Bearing numbers

Abutment and fillet dimensions

Load1 center

mm ras

mm rlas

min

max

EE135111D/135155+A HH255149D/HH255110+A

297 309

368 412

1.5 1.5

6.4 6.4

T-LM654648D/LM654610+A

302

356

1.5

M255449D/M255410A+A

310

379

322

EE329119D/329172+A

Axial load factors

Mass kg

(approx.)

24 –49

0.40 0.33

1.68 2.03

2.50 3.02

1.64 1.98

48.1 158

3.3

0.43

1.56

2.33

1.53

36.7

3.3

0.34

2.00

2.98

1.96

58.1

394

3.3

0.34

2.00

2.99

1.96

65.6

327

410

3.3

11.5

0.33

2.04

3.04

2.00

64.3

M257149D/M257110+A EE291200D/291750+A

322 337

392 416

1.5 7.9

6.4 1.5

12.5 34

0.33 0.38

2.03 1.78

3.02 2.65

1.98 1.74

53.1 55.7

M257248D/M257210+A

325

388

3.3

9.5

0.32

2.12

3.15

2.07

M757449D/M757410+A

328

407

3.3

4.8

0.47

1.43

2.12

1.40

65.3

LM258648D/LM258610+A T-HM259049D/HM259010+A

334 340

398 418

1.5 3.3

3.3 3.3

9 3

0.32 0.33

2.10 2.02

3.13 3.00

2.06 1.97

49.1 77.9

HM261049D/HM261010A+A

357

439

3.3

3.5

0.33

2.02

3.00

1.97

90.1

LM761649D/LM761610+A

361

432

1.5

3.3

0.47

1.43

2.12

1.40

371

456

3.3

0.33

2.02

3.00

1.97

103

M262449D/M262410+A

369

443

3.3

14.5

0.33

2.03

3.02

1.98

T-L163149D/L163110+A LM263149D/LM263110+A LM763449D/LM763410+A M263349D/M263310+A T-EE231401D/231975+A

370 372 375 374 382

422 434 453 459 472

1.5 1.5 1.5 1.5 3.3

3.3 3.3 3.3 3.3 3.3

22.5 23 62.5 11.5 62

0.31 0.32 0.47 0.33 0.44

2.20 2.12 1.43 2.03 1.53

3.27 3.15 2.14 3.02 2.28

2.15 2.07 1.40 1.98 1.50

40.1 49.1 67.4 85.4 68.5

☆HM265049D/HM265010G2+A

394

487

3.3

6.4

1.5

0.33

2.03

3.02

1.98

130

☆T-HM266449D/HM266410G2+A

411

507

3.3

6.4

1.5

0.33

2.03

3.02

1.98

153

☆T-HM256849D/HM256810G2+A

☆T-HM262749D/HM262710G2+A

1 "−" means the load center is out side the inner ring.

B-165

Constant

●Double Row Tapered Roller Bearings (Inside Direction) Inch system sizes C1 r r1 B φD

φd

d 393.700∼584.200mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

393.700

546.100

138.112

1,870

406.400

546.100 590.550

138.112 193.675

138.112 193.674

409.575

546.100

161.925

415.925

590.550

431.800

static kgf

Cor

5,100

191,000

520,000

1,870 2,820

5,100 6,800

191,000 287,000

520,000 690,000

161.925

2,390

6,350

243,000

645,000

209.550

3,650

9,450

375,000

965,000

571.500 571.500

133.350 161.925

136.526 161.925

1,880 2,160

4,950 5,900

191,000 221,000

505,000 600,000

447.675

635.000

223.838

4,150

11,100

425,000

1,130,000

457.200

596.900 596.900

133.350 133.350

136.525 136.525

2,070 2,070

5,200 5,200

211,000 211,000

530,000 530,000

479.425

679.450

238.125

4,900

13,000

500,000

1,320,000

482.600

615.950 647.700

158.750 201.612

2,320 3,700

6,700 10,100

237,000 380,000

685,000 1,030,000

489.026

634.873

153.988

2,500

6,950

255,000

710,000

501.650

711.200

250.825

5,050

13,700

515,000

1,390,000

514.350

673.100

203.200

3,450

10,200

355,000

1,040,000

519.112

736.600

258.762

5,300

14,400

540,000

1,470,000

536.575

761.873 761.873

269.875 269.875

5,900 5,900

15,200 15,200

600,000 600,000

1,550,000 1,550,000

558.800

736.600 736.600

155.575 196.850

2,500 3,550

6,750 10,300

255,000 365,000

690,000 1,050,000

571.500

812.800

285.750

6,950

18,300

710,000

1,870,000

584.200

762.000

188.912

193.675

3,850

11,200

390,000

1,140,000

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-166

●Double Row Tapered Roller Bearings (Inside Direction)

Sa Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a ra

φDa

φda

Bearing numbers

Abutment and fillet dimensions

Load1 center

mm ras

mm rlas

min

max

LM767745D/LM767710+A

418

510

1.5

6.4

LM767749D/LM767710+A EE833160XD/833232+A

427 435

510 549

1.5 3.3

☆M667947D/M667910G2+A

431

510

☆T-M268749D/M268710G2+A

444

T-LM869449D/LM869410+A LM769349D/LM769310+A

Axial load factors

Mass kg

(approx.)

0.48

1.42

2.11

1.38

97.4

6.4 6.4

78 5.5

0.48 0.33

1.42 2.07

2.11 3.09

1.38 2.03

90.5 175

1.5

6.4

0.42

1.61

2.40

1.58

104

549

3.3

6.4

0.5

0.33

2.03

3.02

1.98

181

453 453

537 534

1.5 1.5

3.3 6.4

113 62.5

0.55 0.44

1.24 1.52

1.84 2.26

1.21 1.49

92.1 112

☆M270749D/M270710AG2+A

478

591

3.3

6.4

0.5

0.33

2.03

3.02

1.98

224

☆L770847D/L770810AG2+A L770849D/L770810+A

478 478

567 567

1.5 1.5

3.3 3.3

0.47 0.47

1.43 1.43

2.12 2.12

1.40 1.40

☆T-M272749D/M272710G2+A

510

633

3.3

6.4

1.5

0.33

2.03

3.02

1.98

293

☆LM272249D/LM272210G2+A ☆M272647D/M272610G2+A

504 510

585 609

3.3 3.3

6.4 6.4

35.5 18

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

115 185

LM772749D/LM772710A+A

516

600

3.3

0.47

1.43

2.12

1.40

124

☆M274149D/M274110G2+A

534

663

3.3

6.4

–1.5

0.33

2.03

3.02

1.98

314

LM274449D/LM274410+A

540

636

3.3

6.4

0.33

2.03

3.02

1.98

189

☆M275349D/M275310G2+A

552

684

3.3

6.4

–1.5

0.33

2.03

3.02

1.98

348

☆M276448D/M276410G2+A ☆M276449D/M276410G2+A

564 564

711 711

3.3 3.3

6.4 6.4

1 1

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

389 389

EE843220D/843290+A ☆LM377449D/LM377410G2+A

585 588

699 696

3.3 3.3

6.4 6.4

64.5 43

0.34 0.35

1.98 1.95

2.94 2.9.0

1.93 1.91

177 223

☆M278749D/M278710AG2+A

609

756

3.3

6.4

0.33

2.03

3.02

1.98

470

☆LM778549D/LM778510G2+A

615

717

3.3

6.4

108

0.47

1.43

2.14

1.40

223

1 "−" means the load center is out side the inner ring.

B-167

Constant

97 97

96.7 96.7

●Double Row Tapered Roller Bearings (Inside Direction) Inch system sizes C1 r r1 B φD

φd

d 595.312∼939.800mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

595.312

844.550

296.862

7,350

20,200

750,000

2,060,000

609.600

787.400 863.600

171.450 317.500

3,500 7,900

9,950 21,100

360,000 805,000

1,020,000 2,150,000

635.000

901.700

317.500

8,300

22,100

845,000

2,250,000

657.225

933.450

328.612

8,950

24,000

910,000

2,450,000

660.400

812.800

176.212

3,600

11,600

370,000

1,180,000

679.450

901.700

265.112

6,500

19,000

665,000

1,940,000

685.800

876.300

168.275

171.450

3,550

10,900

360,000

1,110,000

708.025

930.275

273.050

6,750

20,400

690,000

2,080,000

711.200

914.400

149.225

3,100

8,950

315,000

910,000

749.300

990.600

293.000

7,400

22,700

750,000

2,310,000

762.000

1,066.800 1,079.500

352.425 381.000

365.125 381.000

10,300 11,100

29,300 32,000

1,050,000 1,130,000

2,990,000 3,250,000

863.600

1,130.300 1,219.200

323.850 425.450

323.850 438.150

9,200 14,000

29,600 41,500

935,000 1,430,000

3,000,000 4,200,000

938.212

1,270.000

400.050

13,100

40,000

1,340,000

4,100,000

939.800

1,333.500

349.250

463.550

16,900

48,500

1,720,000

4,950,000

Cor

Remarks: 1. The above chamfer of inner and outer ring are bigger than ras max or rlas max. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-168

Cor

●Double Row Tapered Roller Bearings (Inside Direction)

Sa Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a ra

φDa

φda

Bearing numbers

Abutment and fillet dimensions

Load1 center

mm ras

mm rlas

Constant

Axial load factors

Mass kg

min

max

(approx.)

☆M280049D/M280010G2+A

633

786

3.3

6.4

0.33

2.03

3.02

1.98

525

☆T-EE649241D/649310G2+A ☆M280349D/M280310G2+A

636 648

747 807

3.3 3.3

6.4 6.4

79 –4.5

0.37 0.33

1.82 2.03

2.71 3.02

1.78 1.98

210 585

☆M281049D/M281010G2+A

675

843

3.3

6.4

0.33

2.03

3.02

1.98

641

☆M281649D/M281610G2+A

699

870

3.3

6.4

0.33

2.03

3.02

1.98

711

☆L281149D/L281110G2+A

684

777

3.3

6.4

0.37

1.80

2.69

1.76

195

☆LM281849D/LM281810G2+A

714

852

3.3

6.4

31.5

0.33

2.03

3.02

1.98

459

☆EE655271D/655345G2+A

717

831

3.3

6.4

129

0.42

1.61

2.4.0

1.58

247

☆LM282549D/LM282510G2+A

741

879

3.3

6.4

0.33

2.03

3.02

1.98

490

☆EE755281D/755360G2+A

744

873

3.3

6.4

127

0.38

1.77

2.64

1.73

243

☆LM283649D/LM283610G2+A

786

936

3.3

6.4

34.5

0.33

2.03

3.02

1.98

606

☆M284148D/M284111G2+A ☆M284249D/M284210G2+A

819 810

996 1,005

☆LM286249D/LM286210G2+A ☆EE547341D/547480G2+A

906 918

☆LM287649D/LM287610G2+A ☆LM287849D/LM287810G2+A

special chamfer

4.8

12.7 12.7

14 0

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

968 1,097

1,065 1,135

4.8 4.8

12.7 12.7

49.5 1.5

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

848 1,552

990

1,190

4.8

12.7

30.5

0.33

2.03

3.02

1.98

1,444

999

1,240

4.8

12.7

3.5

0.33

2.03

3.02

1.98

1,540

1 "−" means the load center is out side the inner ring.

B-169

●Double Row Steep Slope Tapered Roller Bearings (Outside Direction)

B1 C r1 r

φd

φD

d 100∼533.400mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C

rs min1

rls min1

static

Bearing numbers

kgf

Cor

100

215

115

510

680

52,000

69,500

CRI-2054

105

240

110

585

790

60,000

80,500

CRI-2105

110

240 240

118 119

81 74

3 3

1 1

585 585

790 790

60,000 60,000

80,500 80,500

CRI-2262 CRI-2252

115

230

116

1.5

680

1,100

69,000

112,000

CRI-2301

125

230

116

735

1,240

75,000

127,000

CRI-2554

128

229

116

525

830

53,500

84,500

CRI-2663

130

280 299

137 137

93.5 87.5

4 4

1.5 1.5

835 895

1,170 1,420

85,500 91,500

120,000 145,000

CRI-2618 CRI-2624

140

260

120

1.5

735

1,210

75,000

123,000

CRI-2826

155

330

180

120

1.5

1,350

2,210

137,000

226,000

CRI-3101

230

380

175

115

1.5

1,410

2,970

144,000

305,000

CRI-4613

260

530

275

163.9

2.5

2,880

5,200

293,000

530,000

CRI-5215

305

560

223

130

2.5

2,530

4,700

258,000

480,000

☆CRI-6108

317.500

558.800

254.000

162.000

3,000

5,900

310,000

600,000

☆＊CRI-6412

370

680

280

188

7.5

4,300

8,400

440,000

855,000

☆CRI-7402

533.400

736.600

225.425

177.800

6.4

1.5

3,300

9,250

340,000

940,000

☆＊CRI-10702

1 Minimum allowable dimension for chamfer dimension r or r1. Remarks: 1. The marked "＊" bearings are inch system sizes. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-170

●Double Row Steep Slope Tapered Roller Bearings (Outside Direction)

Sb r1a

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

φDb

φda

Abutment and fillet dimensions

Load center

Constant

Axial load factors

Mass

mm Sb

ras

rlas

min

max

kg (approx.)

114

202

20.5

2.5

0.81

0.83

1.23

0.81

18.2

119

227.5

17.5

2.5

146

0.81

0.83

1.23

0.81

23.6

124 124

228 223.5

18.5 22.5

2.5 2.5

1 1

153 152

0.81 0.81

0.83 0.83

1.23 1.23

0.81 0.81

22 25

129

221

2.5

1.5

143.5

0.74

0.92

1.36

0.90

21.2

139

221

2.5

143.5

0.74

0.92

1.36

0.90

19.9

142

220.5

2.5

192.5

1.10

0.61

0.91

0.60

17.8

148 148

268.5 270

21.5 24.5

3 3

1.5 1.5

176.5 184.5

0.81 0.83

0.83 0.81

1.23 1.21

0.81 0.79

34.5 45.8

154

245

2.5

1.5

155.5

0.74

0.92

1.36

0.90

26.6

177

313

1.5

219

0.81

0.83

1.24

0.82

248

363.5

1.5

241

0.80

0.85

1.26

0.83

73.9

288

494

55.5

364.5

0.94

0.71

1.06

0.70

248

327

530

46.5

414

1.09

0.62

0.92

0.61

227

339.5

531.5

351

0.81

0.84

1.25

0.82

248

406

633

370.5

0.70

0.97

1.44

0.94

420

561.5

718.5

1.5

399.5

0.70

0.97

1.44

0.94

268

B-171

●Double Row Steep Slope Tapered Roller Bearings (Inside Direction)

r r1

θ Kd

φD

φd

φKw

Drawing A

Drawing B

Drawing C

d 100∼260mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

kN rs min1 rls min1

Bearing Drawing numbers No.

kgf Cor

Cor

585 750

825 1,080

60,000 76,500

84,500 110,000

CRD-2005 CRD-2011

A A

750

1,080

76,500

110,000

CRD-2214

830

1,200

85,000

122,000

CRD-2410

180

1,410

2,250

143,000

230,000

CRD-2503

160

1.5

1,160

1,850

118,000

189,000

CRD-2819

320 380

144 235

4 5

4 2.5

1,050 2,320

1,490 4,000

107,000 236,000

152,000 410,000

CRD-3013 CRD-3011

A A

160

260

130

1.5

880

1,740

89,500

178,000

CRD-3253

170

300 360 360

100 144 144

100 160 160

3 4 4

2.5 2.5 1.5

845 1,270 1,440

1,450 2,000 2,300

86,000 129,000 147,000

148,000 204,000 234,000

CRD-3423 CRD-3414 CRD-3416

A A A

180

330 380 400

190 158 232

5 3 4

1.5 4 4

1,710 1,380 2,090

3,250 1,980 3,600

175,000 141,000 213,000

330,000 202,000 370,000

CRD-3615 CRD-3623 CRD-3622

A A A

190

320 320 350

104 104 135

3 3 3

3 4 3

810 850 1,130

1,460 1,540 1,950

83,000 86,500 116,000

149,000 157,000 199,000

CRD-3801 CRD-3813 CRD-3811

A A A

210

480

230

2,690

4,300

274,000

440,000

CRD-4209

228.600

431.800 177.800

177.800 5

1,630

3,100

166,000

315,000

＊CRD-4604

240

460

140

1,380

2,510

140,000

256,000

☆CRD-4808

254

585

260

285

3,700

6,450

375,000

660,000

☆CRD-5102

260

458 459 459

155 155 155

5 5 4

1,740 1,740 1,740

3,150 3,150 3,150

177,000 177,000 177,000

320,000 320,000 320,000

☆CRD-5214 ☆CRD-5216 ☆CRD-5224

B A B

100

215 250

105 120

110 120

3 3

1 2.5

110

240

118

120

260

130

125

305

180

140

305

150

static

B-172

●Double Row Steep Slope Tapered Roller Bearings (Inside Direction)

Sa ras

rlas

φDa

φda

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

Drawing D

Groove dimensions mm

Abutment and fillet dimensions

numbers mm key groove angle × θ˚ side face Kr

width Kw

depth Kd

− −

−

30.2

Constant

Axial load factors

Mass kg

mm da

ras

rlas

max

min

max

− −

117.5 130.5

201 236

3.7 6.6

2.5 2.5

−

129

226

5.8

−

147.5

246

1-2

−

160.5

−

− −

−

− − −

3 3

0.81 0.81

0.83 0.83

1.23 1.23

0.81 0.81

19.7 31.2

2.5

0.81

0.83

1.23

0.81

26.6

3.1

2.5

0.81

0.83

1.23

0.81

34.2

291

1.5

2.5

0.73

0.93

1.38

0.91

68.9

168.5

283

7.5

0.73

0.92

1.37

0.90

58.1

− −

180 186.5

302 358

8 6.5

3 4

4 5

0.81 0.81

0.83 0.83

1.23 1.23

0.81 0.81

56.9 142

−

177

246

3.5

2.5

0.62

1.09

1.62

1.06

− − −

195 204.5 197

286 342 342

5.4 1.5 1.5

2.5 3 3

3 4 4

0.70 1.10 1.10

0.97 0.62 0.61

1.44 0.92 0.91

0.94 0.60 0.60

30.2 79.7 79.7

− − −

200.5 208.5 211.5

308 366 382

3.5 3.4 6.8

4 2.5 3

5 3 4

0.58 0.81 0.81

1.17 0.83 0.83

1.75 1.23 1.23

1.15 0.81 0.81

71.9 87.6 146.5

− − −

216.5 214 216

306 306 336

5.5 4.6 5.5

2.5 2.5 2.5

3 3 3

0.73 0.80 0.81

0.92 0.85 0.83

1.37 1.26 1.23

0.90 0.83 0.81

34.1 34.1 57.7

−

253

367

5.9

0.81

0.83

1.23

0.81

212

−

278

410

1.5

1.01

0.67

0.99

0.65

118

2-2

−

296

438

1.5

0.87

0.78

1.16

0.76

107

−

301

567

4.5

1.17

0.58

0.86

0.56

392

32 − 32

15 − 15

90 − 90

2-2 − 2-2

− − −

304 304 304

436 437 441

1.5 1.5 1.5

4 4 3

5 5 4

0.87 0.87 0.87

0.78 0.78 0.78

1.16 1.16 1.16

0.76 0.76 0.76

109 110 110

B-173

(approx.)

●Double Row Steep Slope Tapered Roller Bearings (Inside Direction)

r r1

θ Kd

φD

φd

φKw

Drawing A

Drawing B

Drawing C

d 279.400∼305.105mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN Cr

rs min1 rls min1

static

Bearing Drawing numbers No.

kgf

Cor

3,150

6,100

320,000

620,000

☆＊CRD-5613

279.400

533.400 241.300

266.700 6.4

280

410

110

2.5

985

1,960

101,000

200,000

CRD-5616

285

380

2.5

730

1,720

74,500

176,000

CRD-5704

300

440 440 500 500 500 520

105 105 180 200 200 180

105 105 180 200 200 210

4 3 5 5 5 4

4 3 5 5 6 4

1,000 1,000 1,720 2,460 2,480 2,200

2,150 2,150 3,300 5,300 5,400 4,650

102,000 102,000 176,000 251,000 253,000 225,000

219,000 219,000 340,000 540,000 550,000 475,000

CRD-6025 CRD-6027 CRD-6006 ☆CRD-6028 ☆CRD-6030 CRD-6026

C C B C A A

304.800

499.948 158.750 499.948 200.000

203.200 6.4 200.000 6

3.3 6

1,670 1,670

3,300 3,300

171,000 171,000

340,000 340,000

＊CRD-6109 ＊CRD-6123

A A

305.000

500.000 500.000 500.000 500.000 559.968 560.000 560.000 560.000

200.000 200.000 200.000 200.000 176.434 200.000 200.000 200.000

5 5 4 10 20 10

5 5 5 5 4 6.4 6.4 6.4

2,170 2,460 2,170 2,460 2,020 2,340 2,340 2,270

5,050 5,300 5,050 5,300 3,950 4,700 4,700 4,500

222,000 251,000 222,000 251,000 206,000 239,000 239,000 232,000

515,000 540,000 515,000 540,000 405,000 480,000 480,000 460,000

＊CRD-6120 ☆＊CRD-6148 ＊CRD-6151 ☆＊CRD-6137 ＊CRD-6140 ☆＊CRD-6146 ☆＊CRD-6154 ☆＊CRD-6135

C C C C A B B C

305.003

559.867 169.977

176.352 4

6.4

2,010

3,950

205,000

400,000

☆＊CRD-6113

305.069

559.999 200.000 559.999 200.000 560.000 200.000

200.000 19.7 200.000 9.5 200.000 19.7

6.4 6 6.4

2,270 2,270 2,530

4,500 4,500 4,700

232,000 232,000 258,000

460,000 460,000 480,000

＊CRD-6112A.D ＊CRD-6152 C ☆＊CRD-6136 B

305.079

500.000 200.000 500.000 200.000 500.000 200.000

200.000 5 200.000 5 200.000 5

6 6 6

2,170 2,440 2,440

5,050 5,900 5,900

222,000 249,000 249,000

515,000 600,000 600,000

＊CRD-6125 ＊CRD-6101 ＊CRD-6116

C D D

305.105

559.867 559.867 559.968 599.968

200.000 200.508 200.000 170.434

4 4 7 2.5

2,160 2,230 2,530 2,040

4,300 4,500 4,700 4,000

220,000 227,000 258,000 208,000

440,000 455,000 480,000 410,000

＊CRD-6104 ☆＊CRD-6117 ☆＊CRD-6110 ☆＊CRD-6115

A A B A

200.000 200.000 200.000 200.000 169.977 200.000 200.000 200.000

169.977 169.977 200.000 170.434

5 special chamfer

3 4 19 4

1 Minimum allowable dimension for chamfer dimension r or r1. 2 This bearing's shape is half of drawing 3 and 4. Remarks: 1. The marked "＊" bearings are inch system sizes. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-174

●Double Row Steep Slope Tapered Roller Bearings (Inside Direction)

Sa ras

rlas

φDa

φda

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

Drawing D

Groove dimensions mm

Abutment and fillet dimensions

numbers mm key groove angle × θ˚ side face Kr

width Kw

depth Kd

−

Constant

Axial load factors

Mass kg

mm da

ras

rlas

max

min

max

306

505.5

1.5

−

300

398

(approx.)

1.09

0.62

0.92

0.61

272

2.5

1.05

0.64

0.96

0.63

1-2

−

299.5

368

6.5

2.5

0.81

0.83

1.23

0.81

32.13 32.1 40 50.8 − −

22.225 22.2 15 34.925 − −

45 45 90 45 − −

1-2 1-2 2-2 2-2 − −

− − − − − −

325 325 345 342 341 332.5

422 381.5 478 478 478 502

4.5 4.5 1.5 1.5 1.5 1.5

3 2.5 4 4 4 3

4 3 5 5 5 4

0.81 0.81 1.19 0.76 0.76 1.17

0.83 0.83 0.57 0.88 0.88 0.58

1.23 1.23 0.85 1.31 1.31 0.86

0.81 0.81 0.56 0.86 0.86 0.56

54 54 143 158 158 187

− −

344 343

472 472

1.5 2.5

5 5

1.19 1.19

0.57 0.57

0.84 0.84

0.55 0.55

158 155

51.5 50.9 40.5 50.8 − 50 50 50.7

35 35 35 34.925 − 19 19 39.7

45 45 45 45 − 90 90 45

2-2 2-2 2-2 1-2 − 2-2 2-2 1-2

− − − − − − − −

347 342 347 342 372.5 369 369 372

478 478 478 478 542 514 468 514

1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5

4 4 4 4 3 9 19 9

5 5 5 5 4 5 5 5

0.70 0.76 0.70 0.76 0.92 1.09 1.09 1.09

0.97 0.88 0.97 0.88 0.73 0.62 0.62 0.62

1.44 1.31 1.44 1.31 1.09 0.92 0.92 0.92

0.94 0.86 0.94 0.86 0.72 0.61 0.61 0.61

135 155 155 155 193 218 218 218

−

350

542

1.5

1.09

0.62

0.92

0.61

192

50.8 50.8 50.8

19.05 39.69 19.05

90 45 90

2-2 2-2 2-2

14.5 − −

372 372 354

470 516 470

1.5 1.5 4.7

18 8 18

5 5 5

1.09 1.09 1.09

0.62 0.62 0.62

0.92 0.92 0.92

0.61 0.61 0.61

218 218 218

50.8 − −

34.9 − −

45 − −

1-2 − −

− 7.938 7.938

347 334 334

478 478 478

1.5 3.5 3.5

4 5 5

5 4 4

0.70 0.70 0.70

0.97 0.97 0.97

1.44 1.44 1.44

0.94 0.94 0.94

155 155 155

− − 50.7 −

− − 19 −

− − 90 −

− − 2-2 −

− − − −

355 350 353.5 350

546 532 476 582

1.5 8 4.7 5.5

3 3 5 2

2.5 3 17 3

1.09 1.09 1.09 1.09

0.62 0.62 0.62 0.62

0.92 0.92 0.92 0.92

0.61 0.61 0.61 0.61

217 217 217 169

B-175

●Double Row Steep Slope Tapered Roller Bearings (Inside Direction)

r r1

θ Kd

φD

φd

φKw

Drawing A

Drawing B

Drawing C

d 330∼460mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

kN rs min1 rls min1

static

Bearing Drawing numbers No.

kgf

Cor

3 6

990 3,450

2,220 6,500

101,000 350,000

226,000 665,000

CRD-6604 CRD-6608

B A

3 6

2,990 3,000

6,400 5,700

305,000 310,000

655,000 580,000

☆CRD-7017 ☆CRD-7004

B 2 A

200

2,480

6,150

253,000

630,000

CRD-7201

240

3,550

7,450

365,000

760,000

☆CRD-7401

559.5 650 650

160 240 240

5 6 6

5 3 3

1,890 3,600 3,600

4,250 7,950 7,950

192,000 370,000 370,000

435,000 810,000 810,000

CRD-7614 ☆CRD-7623 ☆CRD-7612

A C B

400

650 650 650 650 650 650 650 650 650 650 650 650 650 650 650 650 650

200 240 240 240 240 240 240 240 240 240 240 240 240 240 240 240 240

17.4 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6

6 3 4 3 4 6 6 4 4 6 5 6 4 6 6 3 6

3,050 3,350 3,600 3,350 3,600 3,600 3,600 3,600 3,600 3,600 3,350 3,600 3,600 3,600 3,600 3,350 3,350

6,100 7,450 8,450 7,450 8,450 8,450 8,450 8,450 8,450 8,450 7,450 8,450 8,450 8,450 8,450 7,450 7,450

310,000 340,000 365,000 340,000 365,000 365,000 365,000 365,000 365,000 365,000 340,000 365,000 365,000 365,000 365,000 340,000 340,000

625,000 760,000 865,000 760,000 865,000 865,000 865,000 865,000 865,000 865,000 760,000 865,000 865,000 865,000 865,000 760,000 760,000

☆CRD-8010 C ☆CRD-8013 C ☆CRD-8026 C ☆CRD-8027 C ☆CRD-8032 C ☆CRD-8034 C ☆CRD-8035 C ☆CRD-8038 C ☆CRD-8039 C ☆CRD-8042 C ☆CRD-8044 C ☆CRD-8046 D ☆CRD-8047 C ☆CRD-8048 C 3 ☆CRD-8049 C.D ☆CRD-8014 C ☆CRD-8023 D

410

580

160

1,890

4,550

192,000

460,000

CRD-8201

440

650

155

2,330

5,300

238,000

540,000

☆CRD-8808

460

618 618 720

150 150 250

4 4 6

4 4 2.5

1,720 1,720 4,450

4,400 4,400 10,100

176,000 450,000 176,000 450,000 450,000 1,030,000

CRD-9202 CRD-9211 ☆CRD-9214

B A C

330

458 650

120 248

3 7.5

350

590 618

192 200

360

540

200

370

630

380

1 Minimum allowable dimension for chamfer dimension r or r1. 2 This bearing has slots at the side face of inner ring. 3 This bearing's shape is half of drawing 3 and 4. Remarks: 1. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-176

●Double Row Steep Slope Tapered Roller Bearings (Inside Direction)

Sa ras

rlas

φDa

φda

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

Drawing D

Groove dimensions mm

Abutment and fillet dimensions

numbers mm key groove angle × θ˚ side face Kr

width Kw

depth Kd

32 −

12 −

90 −

2-2 −

32 50

12 20

90 90

Constant

Axial load factors

Mass kg

mm da

ras

rlas

max

min

max

(approx.)

− −

355.5 407

444 624

8 8

2.5 5

2.5 6

1.05 0.90

0.64 0.75

0.96 1.12

0.63 0.73

59.7 383

2-2 2-2

− −

409.5 410

576 510

6.5 1.5

2.5 5

0.55 0.87

1.24 0.78

1.84 1.16

1.21 0.76

209 252

2-2

−

389.5

518

4.7

0.70

0.97

1.44

0.94

160

2-2

−

420

608

0.76

0.88

1.31

0.86

316

− 50.8 50

− 40 15

− 45 90

− 2-2 2-2

− − −

414.5 435 430

537.5 622 622

1.5 1.5 8

4 2.5 2.5

4 5 5

0.70 1.05 1.05

0.97 0.64 0.64

1.44 0.96 0.96

0.94 0.63 0.63

133 329 338.2

50.4 64.3 63.6 64.3 64.3 64.3 64.3 63.6 64.3 64.3 64.3 − 64.3 64.3 63.6 64.3 −

38.1 32 32 32 32 32 32 32 32 32 32 − 32 32 32 32 −

45 45 45 45 45 45 45 45 45 45 45 − 45 45 45 45 −

1-2 1-2 1-2 1-2 1-2 1-2 1-2 2-2 1-2 1-2 1-2 − 1-2 2-2 1-2 1-2 −

− − − − − − − − − − − 11.25 − − 11.25 − 11.25

449 437 456 437 454 454 454 454 454 454 437 454 454 454 454 437 437

618 622 535 622 622 622 622 622 622 622 525 622 622 622 622 622 622

2.5 8 2.5 8 2.5 1.5 8 2.5 8 2 8 1.5 2.5 1.5 1.5 8 8

5 2.5 3 2.5 3 5 5 3 4 5 4 5 3 5 5 2.5 5

12 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

0.81 1.05 0.80 1.05 0.80 0.80 0.80 0.80 0.80 0.80 1.05 0.80 0.80 0.80 0.80 1.05 1.05

0.83 0.64 0.85 0.64 0.85 0.85 0.85 0.85 0.85 0.85 0.64 0.85 0.85 0.85 0.85 0.64 0.64

1.23 0.96 1.26 0.96 1.26 1.26 1.26 1.26 1.26 1.26 0.96 1.26 1.26 1.26 1.26 0.96 0.96

0.81 0.63 0.83 0.63 0.83 0.83 0.83 0.83 0.83 0.83 0.63 0.83 0.83 0.83 0.83 0.63 0.63

260 303 303 303 303 303 303 302 303 303 292 303 303 303 303 303 303

50.8

1-2

−

440

562

1.5

0.83

0.81

1.21

0.79

133

−

487

622

6.5

0.80

0.85

1.26

0.83

163

50 − 50.8

15 − 35

90 − 45

2-2 − 2-2

− − −

489 489.5 500

600 600 692

8 1.5 4.8

3 3 2

3 3 5

1.05 1.05 0.80

0.64 0.64 0.85

0.96 0.96 1.26

0.63 0.63 0.83

126 120 388

B-177

●Double Row Steep Slope Tapered Roller Bearings (Inside Direction)

r r1

θ Kd

φD

φd

φKw

Drawing A

Drawing B

Drawing C

d 470∼1,400mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

kN rs min1 rls min1

470

720

216

480

689.5 690

180 180

6 6

static

Bearing Drawing numbers No.

kgf

Cor

2,790

6,800

284,000

690,000

CRD-9404

6 6

2,670 2,670

6,400 6,400

272,000 272,000

655,000 655,000

☆CRD-9609 ☆CRD-9603

B B

482.600

615.950 158.750 733.500 200.000

158.750 6.4 200.000 17.5

3.3 5

2,240 2,740

6,450 6,550

228,000 279,000

660,000 665,000

☆＊CRD-9709 ☆＊CRD-9704

A C

509.948

733.425 200.02

200.02

3,250

8,350

330,000

855,000

☆＊CRD-10208

510.134

800.001 284.493

284.493 6.4

6.4

5,200

12,100

530,000 1,230,000

☆＊CRD-10206

550

920

330

7.5

6,800

15,700

695,000 1,600,000

☆CRD-11001

600

1,000

350

7.5

8,250

19,500

840,000 1,990,000

☆CRD-12002

835,000

☆＊CRD-13208

660.000

814.000 176.212

176.212 6.4

3.3

2,600

8,200

266,000

685.800

939.800 234.950

228.575 3.3

6.4

4,950

13,500

505,000 1,380,000

☆＊CRD-13702

685.876

939.876 234.950

227.813 3.3

6.4

4,950

13,500

505,000 1,380,000

☆＊CRD-13701

720

920

130

150

2,760

7,300

745,000

☆CRD-14403

780

1,000

200

4,200

12,900

430,000 1,320,000

☆CRD-15601

1,400

1,600

180

2.5

4,400

16,300

445,000 1,670,000

CRD-28003

281,000

1 Minimum allowable dimension for chamfer dimension r or r1. 2 This bearing has a screw groove at inner ring's bore and slots at the side face of inner ring. Remarks: 1. The marked "＊" bearings are inch system sizes. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages.

B-178

●Double Row Steep Slope Tapered Roller Bearings (Inside Direction)

Sa ras

rlas

φDa

φda

Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

Drawing D

Groove dimensions mm width Kw

depth Kd

Abutment and fillet dimensions

numbers mm key groove angle × θ˚ side face Kr

Constant

Axial load factors

Mass kg

mm da

ras

rlas

max

min

max

(approx.)

63.6

1-2

−

503

692

1.09

0.62

0.92

0.61

315

50 50

15 15

90 90

2-2 2-1

− −

525 525

661.5 662

8 8

5 5

0.87 0.87

0.78 0.78

1.16 1.16

0.76 0.76

223 224

− 50.8

− 38

− 45

− 2-2

− −

500.5 546.5

588 669.5

6.5 8

2.5 4

5 12

0.61 1.09

1.11 0.62

1.66 0.92

1.09 0.61

115 301

50.8

38.1

2-2

−

560

711.5

0.87

0.78

1.16

0.76

256

70.358

44.45

1-2

12.865

560

772

0.81

0.83

1.23

0.81

511

1-2

−

629.5

884

4.5

0.87

0.78

1.16

0.76

914

−

687

964

0.87

0.78

1.16

0.76

1,130

−

2-2

−

684.5

886

2.5

0.70

0.97

1.44

0.94

202

63.5

19.05

2-2

−

738

926

1.5

2.5

0.70

0.97

1.44

0.94

478

63.5

38.1

2-2

−

738.5

926

2.5

0.70

0.97

1.44

0.94

435

−

760.5

898

5.8

0.81

0.83

1.23

0.81

240

1-2

−

824.5

978

3.6

0.80

0.85

1.26

0.83

384

−

1,437.5 1,578

12.5

0.55

1.24

1.84

1.21

532

90 −

35 −

B-179

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 100∼165.100mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C2

rs min1

rls min1

static kgf

Cor

100

170

155

2.5

0.6

595

1,170

61,000

119,000

105

190

210

2.5

760

1,630

77,500

166,000

110

150

1.5

505

1,280

51,500

131,000

120

170 180 200 210

124 100 132 174

2 2 2 2.5

2.5 2.5 2.5 2.5

390 395 640 855

1,020 745 1,220 1,710

40,000 40,000 65,000 87,500

104,000 76,000 125,000 174,000

120.650

174.625

141.288

139.703

1.5

0.8

510

1,220

52,000

124,000

127.000

182.562

158.750

3.3

1.5

660

1,730

67,000

177,000

130

184

134

2.5

480

1,190

49,000

122,000

135

180

160

500

1,360

51,000

138,000

136.525

190.500

161.925

3.3

1.5

695

1,900

71,000

193,000

139.700

200.025

157.165

160.340

3.3

0.8

700

1,950

71,500

199,000

140

198 210 210

144 114 115

2 2 2

2.5 2.5 2.5

575 515 515

1,460 1,070 1,070

58,500 52,500 52,500

149,000 109,000 109,000

146.050

244.475

192.088

187.325

3.3

1.5

955

1,980

97,000

202,000

150

210 212

190 155

2.5 2.5

1.5 3

860 660

2,240 1,700

87,500 67,500

229,000 173,000

152.400

222.250

174.625

1.5

930

2,350

94,500

239,000

160

226 265

165 173

2.5 2.5

3 2.5

775 1,100

2,030 2,270

79,000 112,000

207,000 231,000

165.100

225.425

165.100

168.275

3.3

0.8

745

2,220

76,000

226,000

1 Minimum allowable dimension for chamfer dimension r or r1.

B-180

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

CRO-2008

120

152.5

3.7

0.6

0.32

2.12

3.15

2.07

14.5

CRO-2151

135

168.5

2.5

0.42

1.60

2.38

1.56

CRO-2252

119

140.5

1.2

1.5

0.18

3.66

5.46

3.58

7.7

625924 623024 623124 CRO-2418

135 135 143 140

155.5 166.5 182 190

5 3.8 4.1 4.5

2 2 2 2

0.33 0.37 0.37 0.40

2.03 1.80 1.80 1.67

3.02 2.69 2.69 2.50

1.98 1.76 1.76 1.64

8.97 8.87 16.7 22.2

＊M224749D/M224710/M224710D

129

163

1.5

0.8

0.33

2.03

3.02

1.98

11.5

＊T-48290D/48220/48220D

137

168

4.5

3.3

1.5

0.31

2.21

3.29

2.16

14.3

625926

144.5

169

0.33

2.03

3.02

1.98

11.3

CRO-2701

143

165

0.33

2.03

3.02

1.98

13.5

＊T-48393D/48320/48320D

144

177

3.3

1.5

0.32

2.10

3.13

2.05

14.8

＊T-48680D/48620/48620D

150

185

3.3

0.8

0.34

2.01

2.99

1.96

17.3

156 159 159

183 193 193

5 3.5 3.4

2 2 2

0.33 0.37 0.37

2.03 1.84 1.84

3.02 2.74 2.74

1.98 1.80 1.80

14 13.8 13.9

163

225

6.5

3.3

1.5

0.35

1.92

2.86

1.88

36.8

162 167.5

192.5 195

2.5 5.5

2 2

1.5 2.5

0.40 0.33

1.68 2.03

2.50 3.02

1.64 1.98

20.3 16.9

165

207

1.5

0.36

1.87

2.79

1.83

24.7

177.5 184

208.5 247

5.5 4.5

2 2

2.5 2

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

20.2 37.0

175

209

0.8

2.5

0.38

1.76

2.62

1.72

20.7

625928 623028 CRO-2817 ＊81576D/81962/81963D CRO-3052 625930 ＊T-M231649D/M231610/M231610D 625932 CRO-3209 (CRO-3210) ＊T-46791D/46720/46721D

Remarks: 1. Bearing numbers marked "＊" designate inch system bearings. 2. The bearing where parentheses adhered abolished inner ring spacer.

B-181

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 170∼220mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C2

static kgf

rs min1

rls min1

Cor

170

240 260 280 280

175 144 181 185

2.5 2.5 2.5 2.5

3 3 2.5 3

835 840 1,150 1,240

2,200 1,730 2,420 2,540

85,500 85,500 117,000 127,000

224,000 176,000 247,000 259,000

177.800

247.650 279.400 304.800

192.088 234.950 238.227

192.088 234.947 233.365

3.3 3.3 3.3

1.5 1.5 3.3

1,000 1,420 1,580

2,760 3,400 3,100

102,000 145,000 161,000

281,000 345,000 320,000

180

250 254 300

185 185 280

2 2.5 3

2.5 3 3

895 910 2,160

2,350 2,390 4,800

91,500 93,000 220,000

239,000 244,000 490,000

187.325

269.875

211.138

3.3

1.5

1,240

3,400

127,000

345,000

190.000

268 270 270 292.100

196 190 190 225.425

2.5 2.5 2.5 3.3

3 2.5 0.6 1.5

1,060 1,080 1,220 1,570

2,850 2,940 3,050 4,150

108,000 111,000 125,000 160,000

291,000 300,000 310,000 425,000

190.500

266.700

187.325

188.912

3.3

1.5

1,040

2,990

106,000

305,000

198.438

284.162

225.425

3.3

1.5

1,530

4,000

156,000

410,000

200

282 290 310

206 160 200

2.5 2.5 3

3 2.5 3

1,200 925 1,530

3,300 2,210 3,300

122,000 94,500 156,000

335,000 226,000 340,000

203.200

317.500

215.900

209.550

3.3

1,270

2,820

129,000

288,000

206.375

282.575

190.500

3.3

0.8

1,120

2,890

114,000

294,000

215.900

288.925

177.800

3.3

0.8

1,110

3,250

114,000

335,000

216.103

330.200

263.525

269.875

3.3

1.5

2,000

5,150

204,000

525,000

220

300 310 320

230 226 200

2.5 3 3

2.5 4 1

1,360 1,380 1,390

3,650 3,800 3,400

138,000 141,000 141,000

375,000 385,000 345,000

1 Minimum allowable dimension for chamfer dimension r or r1.

B-182

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

625934 623034 CRO-3409 623134

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

187.5 192.5 192 197

220 239 255 253.5

5.5 3.8 5 6.4

2 2 2 2

2.5 2.5 2 2.5

0.33 0.37 0.40 0.37

2.03 1.80 1.68 1.80

3.02 2.69 2.50 2.69

1.98 1.76 1.64 1.76

24.4 27.5 44 45.2

190 195 198

229 251 279

5 5 7

3.3 1.5 3.3

1.5 3.3 3.3

0.44 0.53 0.36

1.54 1.28 1.87

2.29 1.91 2.79

1.48 1.25 1.83

29.4 55.3 69.9

195 200.5 201

229 233.5 274

3.1 5.5 5

2 2 2.5

2.5 2.5 2.5

0.44 0.33 0.37

1.54 2.03 1.80

2.30 3.02 2.69

1.51 1.98 1.76

27.5 28.9 69.4

＊M238849D/M238810/M238810D

199.9

250

3.3

1.5

0.33

2.03

3.02

1.98

41.8

625938 CRO-3812 CRO-3813 ＊M241538D/M241510/M241510D

209 205 207 222

245.5 250 248.5 271

6 6 2.5 5

2 2 2 3.3

2.5 2 0.6 1.5

0.33 0.33 0.40 0.33

2.03 2.03 1.68 2.03

3.02 3.02 2.50 3.02

1.98 1.98 1.64 1.98

34.7 34.7 34.5 59.6

＊T-67885D/67820/67820D

204

246

1.5

2.5

0.48

1.41

2.11

1.38

33.6

＊M240648D/M240611/M240611D

212

264

5.5

3.3

1.5

0.33

2.03

3.02

1.98

219.5 221 222

258 271 284

6 5 6

2 2 2.5

2.5 2 2.5

0.33 0.37 0.39

2.03 1.80 1.74

3.02 2.69 2.59

1.98 1.76 1.70

40.5 35.1 54.0

＊EE132082D/132125/132126D

224

294

9.5

3.3

0.31

2.15

3.20

2.10

62.5

＊T-67986D/67920/67920D

219

260

3.3

0.8

0.51

1.33

1.97

1.30

35.4

＊T-LM742749D/LM742714/LM742714D

227

267

0.8

2.5

0.48

1.40

2.09

1.37

34.3

＊9974D/9920/9920D

235

277

3.3

1.5

0.55

1.23

1.82

1.20

82.1

236.5 242 245

277.5 284.5 294.5

6.5 6 6.5

0 2.5 2.5

2 3 2

0.43 0.33 0.35

1.59 2.03 1.95

2.36 3.02 2.90

1.55 1.98 1.91

42.1 53.5 53

＊67791D/67720/67721D (CRO-3664) ＊82681D/82620/82620D ＊EE280700D/281200/281201D (CRO-3663) CRO-3658 625936 CRO-3617

625940 CRO-4013 CRO-4014

CRO-4412 625944 CRO-4411

Remarks: 1. Bearing numbers marked "＊" designate inch system bearings. 2. The bearing where parentheses adhered abolished inner ring spacer.

B-183

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 220∼266.700mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

kN C2

rs min1

rls min1

static kgf

Cor

220

340 340

190 194

3 3

4 3

1,510 1,510

3,300 3,300

154,000 154,000

335,000 335,000

220.662

314.325

239.712

3.3

1.5

1,840

4,900

187,000

500,000

228.600

364.000 425.450

296.875 349.250

296.875 361.950

3.3 6.4

3.3 3.5

2,370 3,450

5,550 8,250

242,000 355,000

565,000 845,000

234.950

327.025

196.850

3.3

1.5

1,370

3,700

140,000

380,000

240

338

248

1,870

4,950

191,000

505,000

241.478

350.838

228.600

3.3

1.5

1,610

4,000

164,000

410,000

244.475

327.025 381.000

193.675 304.800

3.3 4.8

1.5 3.3

1,430 2,220

4,100 5,750

146,000 227,000

415,000 590,000

245

380

255.5

254

6.4

1.5

2,060

4,750

210,000

485,000

250

365 365 370

270 270 220

3 3 4

1.5 2 4

2,150 2,150 2,050

6,150 6,150 5,750

219,000 219,000 209,000

630,000 630,000 590,000

254.000

358.775 368.300 444.500

269.875 204.622 279.400

269.875 204.470 279.400

3.3 3.3 6.4

3.3 1.5 3.3

2,390 1,350 2,890

6,550 3,250 5,900

244,000 138,000 294,000

670,000 330,000 600,000

260

360 368 400 400

272 268 220 255

2.5 4 4 7.5

1 5 5 4

2,080 1,990 1,970 2,210

5,750 5,700 4,400 5,300

212,000 203,000 201,000 225,000

585,000 580,000 445,000 540,000

260.350

365.125 400.050 422.275

228.600 255.588 314.325

228.600 253.995 317.500

6.4 6.4 3.3

3.3 1.5 6.4

1,750 2,090 2,980

4,550 4,950 7,100

178,000 213,000 305,000

465,000 505,000 725,000

266.700

355.600 355.600 393.700

230.188 230.188 269.878

228.600 228.600 269.878

3.3 3.3 6.4

1.5 1.5 3.3

1,840 1,430 2,110

5,350 4,350 6,000

188,000 146,000 216,000

545,000 445,000 610,000

1 Minimum allowable dimension for chamfer dimension r or r1.

B-184

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

623044 CRO-4409

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

250.5 250.5

312.5 312.5

5.5 6

2.5 2.5

3 2.5

0.37 0.37

1.80 1.80

2.69 2.69

1.76 1.76

63.2 64.5

＊T-M244249D/M244210/M244210D

235

293

1.5

2.5

0.33

2.03

3.02

1.98

60.2

CRO-4606 ＊EE700090D/700167/700168D

262 263

332 381

6.5 3

3.3 6.4

3.3 3.5

0.32 0.33

2.12 2.03

3.15 3.02

2.07 1.98

117.9 232

＊T-8576D/8520/8520D

250

305

3.3

1.5

0.41

1.66

2.47

1.62

53.6

260.5

312

2.5

0.33

2.03

3.02

1.98

＊EE127097D/127137/127137D

262

325

6.5

3.3

1.5

0.35

1.91

2.85

1.87

76.4

＊LM247748D/LM247710/LM247710DA ＊EE126096D/126150/126151D

257 262

310 343

5 6.5

3.3 3.3

1.5 4.8

0.32 0.52

2.09 1.31

3.11 1.95

2.04 1.28

46.1 132

CRO-4901

275.5

344.5

6.5

6.4

1.5

0.37

1.80

2.69

1.76

106.7

CRO-5004 CRO-5012 CRO-5001

275 279 276

339 332.5 344

5 6 6

2.5 3 3

1.5 2 3

0.33 0.33 0.26

2.03 2.03 2.55

3.02 3.02 3.80

1.98 1.98 2.49

82.1 96.7 87

272.5 269 289

335 340 406

5 6 8

2.5 3.3 6.4

2.5 1.5 3.3

0.33 0.36 0.34

2.03 1.85 1.98

3.02 2.76 2.94

1.98 1.81 1.93

85.6 71.8 185

279 287 292 290

332.5 338.5 366.5 359

6.5 6 6.5 8

2.5 3 3 6

1 3 3 3

0.41 0.33 0.37 0.39

1.66 2.03 1.80 1.71

2.47 3.02 2.69 2.54

1.62 1.98 1.76 1.67

74.2 90.3 98.9 106

＊EE134102D/134143/134144D ＊EE221027D/221575/221576D ＊HM252349D/HM252310/HM252310D

282 292 290

340 367 392

6.5 8 5.5

6.4 6.4 3.3

3.3 1.5 6.4

0.37 0.39 0.33

1.80 1.71 2.03

2.69 2.54 3.02

1.76 1.67 1.98

76.5 117 180

＊T-LM451349D/LM451310/LM451310D (CRO-5307) ＊CRO-5305 ＊EE275106D/275155/275156D

281 281 292

335 330.5 367

6.5 3.5 5

3.3 3.3 6.4

1.5 1.5 3.3

0.36 0.37 0.40

1.87 1.83 1.68

2.79 2.72 2.50

1.83 1.79 1.64

62 62.3 116

625948A (CRO-4825)

＊T-M249748D/M249710/M249710D ＊EE171000D/171450/171451D ＊EE822101D/822175/822176D CRO-5218 625952 623052 CRO-5215

Remarks: 1. Bearing numbers marked "＊" designate inch system bearings. 2. The bearing where parentheses adhered abolished inner ring spacer.

B-185

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 269.875∼304.800mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

rs min1

rls min1

Cor

269.875

381.000

282.575

3.3

2,470

6,850

252,000

700,000

270

410

222

1,910

4,550

195,000

465,000

275

385

200

1,610

4,250

165,000

435,000

276.225

406.400

268.290

260.355

6.4

1.5

2,110

6,000

216,000

610,000

279.400

381.000 393.700 419.100 469.900

269.875 269.875 292.100 346.075

269.875 269.875 292.100 349.250

3.3 6.4 6.4 3.3

1.5 1.5 3.3 6.4

2,240 1,940 2,770 3,500

6,450 5,350 6,950 8,700

229,000 197,000 283,000 355,000

655,000 545,000 705,000 885,000

279.578

380.898

244.475

3.3

1.5

1,950

6,200

199,000

635,000

280

380 395

290 288

3.1 4

1.7 5

2,470 2,560

7,250 7,100

252,000 261,000

740,000 725,000

285.750

380.898

244.475

3.3

1.5

1,950

6,200

199,000

635,000

288.925

406.400

298.450

3.3

2,980

8,300

305,000

850,000

292.100

476.250

296.047

292.100

3.3

1.5

3,050

6,800

310,000

695,000

300

424 430 430 460 470 470 500

310 280 300 360 270 292 332

4 4 4 4 4 4 5

5 4 4 4 4 4 6

2,570 2,690 2,690 4,050 3,200 3,500 3,600

7,450 7,100 7,100 10,100 7,250 8,300 8,100

262,000 275,000 275,000 415,000 325,000 360,000 370,000

760,000 725,000 725,000 1,030,000 740,000 845,000 825,000

300.038

422.275

311.150

3.3

3,350

9,600

340,000

980,000

304.648

438.048 438.048

279.400 280.990

279.400 279.400

3.3 4.8

3.3 3.3

2,470 2,630

6,500 6,900

252,000 268,000

665,000 700,000

304.800

419.100 444.500

269.875 247.650

269.875 241.300

6.4 1.5

1.5 8

2,390 1,850

6,850 4,600

244,000 188,000

695,000 470,000

1 Minimum allowable dimension for chamfer dimension r or r1.

B-186

Cor

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

＊T-M252349D/M252310/M252310D

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

290

356

2.5

0.33

2.03

3.02

1.98

97.5

CRO-5403

305

382

0.27

2.49

3.71

2.43

CRO-5501

300

355

2.5

0.40

1.68

2.50

1.64

62.5

＊EE275109D/275160/275161D

293.6

366

6.4

1.5

0.40

1.68

2.69

1.64

122

＊CRO-5628 ＊EE135111D/135155/135156D CRO-5614 ＊EE722111D/722185/722186D

298.5 297 312.5 316

353 368 383.5 432

5 6.5 6 5

2.5 5 5 3.3

1.5 1.5 2.5 6.4

0.37 0.40 0.37 0.37

1.80 1.68 1.80 1.78

2.69 2.50 2.69 2.65

1.76 1.64 1.76 1.74

79.6 103 141 258

＊T-LM654644D/LM654610/LM654610D (CRO-5679)

297

356

3.3

1.5

0.43

1.56

2.33

1.52

83.2

300 304.5

354 363.5

6.5 7

2.5 3

1.5 4

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

＊T-LM654648D/LM654610/LM654610D (CRO-5710)

302

356

1.5

2.5

0.43

1.56

2.33

1.53

＊M255449D/M255410/M255410DA

310

379

3.3

0.34

2.00

2.98

1.96

125

＊EE921150D/921875/921876D

321

441

3.3

1.5

0.29

2.30

3.42

2.25

208

625960 CRO-6019 CRO-6022 CRO-6015 ☆CRO-6012 ☆CRO-6013 (CRO-6033) 623160

329 325.5 323 330 338 336 346.5

389.5 395.5 394 427 438 437 449

3 3 3 3 3 3 4

4 3 3 3 3 3 4

0.33 0.47 0.47 0.31 0.37 0.37 0.40

2.03 1.45 1.45 2.21 1.80 1.80 1.68

3.02 2.16 2.16 3.29 2.69 2.69 2.50

1.98 1.42 1.42 2.16 1.76 1.76 1.64

138 132 141 180 152 164 257

322

394

3.3

0.34

2.00

2.98

1.95

143

＊EE329119D/329172/329173D ＊M757448D/M757410/M757410D

328 328

409 407

8 7

3.3 4.8

3.3 3.3

0.33 0.47

2.04 1.43

3.04 2.12

2.00 1.39

143 140

＊M257149D/M257110/M257110D ＊EE291202D/291750/291751D

322 328

392 416

5 9.5

6.4 1.5

1.5 8

0.33 0.38

2.03 1.78

3.02 2.65

1.98 1.74

115 127

CRO-5650 (CRO-5676) 625956 (CRO-5684)

☆＊T-HM256849D/HM256810/HM256810DG2

7 8 3 10 7 7 5

105 111 82.5

Remarks: 1. Bearing numbers marked "＊" designate inch system bearings. 2. Bearing numbers marked "☆" designate bearing with hollow rollers and pin type cages. 3. The bearing where parentheses adhered abolished inner ring spacer.

B-187

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 304.800∼355mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

rs min1

rls min1

Cor

304.800

495.300

342.900

349.250

6.4

3.3

3,650

9,400

370,000

960,000

304.902

412.648

266.700

3.3

2,610

7,450

267,000

760,000

305.003

438.048

280.990

279.400

4.8

3.3

2,630

6,900

268,000

700,000

310

430 430

310 310

4 5.5

2.2 2.2

2,880 3,050

8,100 8,600

294,000 310,000

825,000 875,000

317.500

422.275 447.675

269.875 327.025

3.3 3.3

1.5 3.3

2,260 3,400

7,050 9,550

231,000 345,000

715,000 995,000

320

460

338

2,940

8,650

300,000

880,000

327

445

230

2,150

5,650

219,000

575,000

330

470 510

340 340

2.5 6

3,150 3,900

10,200 9,650

320,000 395,000

1,040,000 985,000

330.200

482.600 533.400

306.388 254.000

311.150 254.000

3.3 6

1.5 6

2,810 3,200

7,900 6,750

287,000 330,000

805,000 690,000

333.375

469.900

342.900

3.3

4,000

11,000

405,000

1,130,000

340

480 520

350 278

5 5

6 6

3,450 3,250

10,400 7,500

350,000 330,000

1,060,000 765,000

341.312

457.098

254.000

3.3

1.5

2,370

6,900

241,000

705,000

342.900

533.400

307.985

301.625

3.3

3,150

6,900

320,000

705,000

343.052

457.098 457.098

254.000 254.000

3.3 3.3

1.5 1.5

2,370 2,430

6,900 6,750

241,000 248,000

705,000 685,000

346.075

488.950

358.775

3.3

4,350

12,800

445,000

1,300,000

347.662

469.900

292.100

3.3

3,200

9,100

325,000

925,000

355

490

316

3.3

1.5

3,500

10,000

355,000

1,020,000

1 Minimum allowable dimension for chamfer dimension r or r1.

B-188

Cor

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

＊EE724121D/724195/724196D

330

450

6.4

3.3

0.40

1.68

2.50

1.64

273

＊M257248D/M257210/M257210D

325

388

3.3

0.32

2.12

3.15

2.07

107

＊M757449D/M757410/M757410D

328

407

4.8

3.3

0.47

1.43

2.12

1.39

139

333 333.5

396.5 397.5

8.5 7.5

3 4

2 2

0.40 0.33

1.68 2.03

2.50 3.02

1.64 1.98

133 136

334 339.6

398 418

7 5

3.3 2.5

1.5 2.5

0.32 0.33

2.10 2.02

3.13 3.00

2.06 1.97

110 161

625964

355

420.5

0.33

2.03

3.02

1.98

183

CRO-6501

353.5

416

5.5

0.33

2.03

3.02

1.98

CRO-6604 CRO-6602

366 366

440 469

5.5 5

2 5

0.33 0.40

2.02 1.68

3.00 2.50

1.97 1.64

141 221

＊EE526131D/526190/526191D ＊CRO-6606

351 378.5

448 488

3 6.5

3.3 5

1.5 5

0.39 0.37

1.72 1.80

2.56 2.69

1.68 1.76

197 221

＊HM261049D/HM261010/HM261010DA

357

439

2.5

0.33

2.02

3.00

1.97

187

373 382.5

440 478

7 6.5

4 4

5 4

0.33 0.37

2.03 1.80

3.02 2.69

1.98 1.76

200 213

＊LM761648D/LM761610/LM761610D

359

432

1.5

2.5

0.47

1.43

2.12

1.40

125

＊EE971355D/972100/972103D

378

502

3.3

0.33

2.03

3.02

1.98

252

＊LM761649D/LM761610/LM761610D (CRO-6945) CRO-6910 (CRO-6944)

361 361

432 426

5 5

3.3 3.3

1.5 1.5

0.47 0.47

1.43 1.43

2.12 2.12

1.39 1.40

117 105

☆＊T-HM262749D/HM262710/HM262710DG2

371

456

2.5

0.33

2.02

3.00

1.97

227

＊M262449D/M262410/M262410D

369

443

3.3

0.33

2.03

3.02

1.98

148

378

450

3.3

1.5

0.33

2.03

3.02

1.98

170

CRO-6213 CRO-6204 LM258649D/LM258610/LM258610D (CRO-6431) ＊T-HM259049D/HM259010/HM259010D

625968 623068

CRO-7105

99.8

B-189

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 355.600∼406.400mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

rs min1

rls min1

355.600

444.500 457.200 482.600 488.950

241.300 252.412 265.112 317.500

241.300 252.412 269.875 317.500

3.3 3.3 3.3 3.3

1.5 1.5 1.5 1.5

1,760 2,470 2,790 3,500

6,200 7,850 7,650 10,000

180,000 251,000 285,000 350,000

635,000 800,000 780,000 1,020,000

508 520 520 540 600 600

370 370 410 340 540 396

5 5.5 5 5 5 5

6 3.5 5 3 5 6

3,700 4,500 5,150 4,350 6,700 5,500

11,200 12,300 14,700 11,100 18,100 13,000

380,000 455,000 525,000 445,000 685,000 560,000

1,140,000 1,260,000 1,500,000 1,130,000 1,840,000 1,320,000

368.300

523.875 596.900

382.588 342.900

6.4 6.4

3.3 6.4

4,450 4,600

13,100 10,600

455,000 470,000

1,330,000 1,090,000

374.650

501.650

250.825

260.350

3.3

1.5

2,360

6,250

241,000

640,000

380

536 560 560 560 560

390 282 285 360 360

5 5 5 6 5

6 6 5 1.5 1.5

4,900 3,550 3,250 4,650 5,050

14,100 8,700 7,700 12,100 13,500

500,000 365,000 330,000 470,000 515,000

1,440,000 890,000 785,000 1,230,000 1,380,000

384.175

546.100

400.050

6.4

3.3

5,400

16,100

550,000

1,640,000

385.762

514.350

317.500

3.3

3,650

11,100

370,000

1,130,000

390

510

350

3.5

1.5

3,700

11,800

375,000

1,210,000

393.700

546.100

288.925

6.4

1.5

3,200

10,200

325,000

1,040,000

395

545

268.7

288.7

7.5

2,970

8,650

305,000

880,000

400

560 564 635

380 412 470

5 5 5

5 6 2.5

4,800 4,850 7,200

14,100 14,700 18,000

490,000 495,000 735,000

1,440,000 1,500,000 1,840,000

406.400

546.100 546.100

268.288 288.925

288.925 288.925

6.4 6.4

1.5 1.5

2,290 3,200

6,550 10,200

233,000 325,000

670,000 1,040,000

360

1 Minimum allowable dimension for chamfer dimension r or r1.

B-190

Cor

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

＊L163149D/L163110/L163110D ＊LM263149D/LM263110/LM263110D ＊LM763449D/LM763410/LM763410D ＊M263349D/M263310/M263310D (CRO-7123)

370 372 375 374

422 434 453 459

6.5 6 3 5

3.3 3.3 3.3 3.3

1.5 1.5 1.5 1.5

0.31 0.32 0.47 0.33

2.20 2.12 1.43 2.03

3.27 3.15 2.14 3.02

2.15 2.07 1.40 1.98

89.5 106 145 173

625972 (CRO-7227) CRO-7220 ☆CRO-7217 CRO-7211 CRO-7210 623172 (CRO-7228)

394 391 396 400 400 414.6

466.5 0 478 496 550 541.5

7 5 8.5 5 8 8

4 4.5 4 4 4 4

5 3 4 2.5 4 4.5

0.33 0.33 0.33 0.33 0.36 0.40

2.03 2.03 2.03 2.03 1.89 1.68

3.02 3.02 3.02 3.02 2.81 2.50

1.98 1.98 1.98 1.98 1.98 1.64

236 260 297 270 520 447

393.7 421

487 541

6 7.5

6.4 6.4

3.3 6.4

0.33 0.42

2.03 1.62

3.02 2.42

1.98 1.59

280 373

＊LM765149D/LM765110/LM765110D

393

472

3.3

1.5

0.47

1.43

2.12

1.40

145

625976 623076 CRO-7612 CRO-7622 ☆CRO-7621

410 421 417 416 423

494 518 525 514 515

8 6.5 7 7 6.5

4 4 4 5 4

5 4 4 1.5 1.5

0.33 0.37 0.40 0.40 0.40

2.03 1.80 1.68 1.68 1.68

3.02 2.69 2.50 2.50 2.50

1.98 1.76 1.64 1.64 1.64

277 240 208 302.22 312

☆＊T-HM266449D/HM266410/HM266410DG2

411

507

6.5

6.4

3.3

0.33

2.03

3.02

1.98

312

＊LM665949D/LM665910/LM665910D

409

482

2.5

0.42

1.61

2.40

1.58

240

411

478

1.5

0.33

2.03

3.02

1.98

186

418

510

6.5

6.4

1.5

0.48

1.42

2.11

1.38

219

CRO-7901

434

508

0.48

1.42

2.11

1.39

200

☆CRO-8005 625980 CRO-8010

436 434 447

515 518.5 579

8 7 6.5

4 4 4

4 5 2

0.40 0.33 0.33

1.68 2.03 2.03

2.50 3.02 3.02

1.64 1.98 1.98

300 324 564

＊EE234161D/234215/234216D ＊LM767749D/LM767710/LM767710D

438 427

505 510

1.5 6.5

6.4 6.4

1.5 1.5

0.47 0.48

1.43 1.42

2.12 2.11

1.40 1.38

190 201

☆＊HM265049D/HM265010/HM265010DG2 (CRO-7406) ＊EE181455D/182350/182351D

CRO-7801 ＊LM767745D/LM767710/LM767710D

B-191

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 406.400∼488.950mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

rs min1

rls min1

406.400

565.150 590.550 609.600

381.000 400.050 309.562

381.000 400.050 317.500

6.4 6.4 6.4

3.3 3.3 3.5

4,750 4,850 3,700

14,100 13,600 9,600

485,000 490,000 380,000

1,440,000 1,380,000 980,000

409.575

546.100

334.962

6.4

1.5

4,100

12,700

415,000

1,290,000

415.925

590.550

434.975

6.4

3.3

6,300

18,900

640,000

1,930,000

420

592 650

432 460

5 5

6 5

5,350 6,950

16,300 18,300

545,000 710,000

1,660,000 1,870,000

431.800

571.500 571.500 635.000

279.400 336.550 355.600

3.3 6.4 6.4

1.5 1.5 6.4

3,200 3,700 5,650

9,850 11,800 15,000

330,000 380,000 580,000

1,010,000 1,200,000 1,530,000

432.003

609.524

317.500

6.4

3.5

4,350

11,500

445,000

1,170,000

440

620 635 650 650

454 470 355 460

6 6.4 7.5 6

6 3.3 4 6

6,500 7,100 5,350 6,750

19,900 22,100 13,400 20,700

665,000 725,000 545,000 690,000

2,030,000 2,260,000 1,370,000 2,110,000

447.675

635.000

463.550

6.4

3.3

7,100

22,100

725,000

2,260,000

457.200

596.900 596.900 660.400

276.225 276.225 323.850

279.400 279.400 323.847

3.3 3.3 6.4

1.5 1.6 3.3

2,900 2,870 4,150

9,150 9,400 11,200

296,000 292,000 425,000

935,000 955,000 1,140,000

460

650

474

6,500

19,900

665,000

2,030,000

475

660

450

6,300

20,400

645,000

2,080,000

480

678 678 700

494 494 390

6 6 6

6,250 6,250 4,700

19,600 19,600 13,400

640,000 640,000 480,000

2,000,000 2,000,000 1,370,000

482.600

615.950

330.200

6.4

3.3

4,000

13,400

405,000

1,370,000

488.950

660.400

365.125

361.950

6.4

5,350

16,100

550,000

1,640,000

1 Minimum allowable dimension for chamfer dimension r or r1.

B-192

Cor

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

CRO-8103 ＊EE833161D/833232/833233D ＊EE911603D/912400/912401D

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

441 448 441

525 549 568

6.5 6.5 1.5

6.4 6.4 6.4

3.3 3.3 3.5

0.35 0.33 0.38

1.95 2.07 1.76

2.90 3.09 2.62

1.91 2.03 1.72

310 395 332

☆＊M667947D/M667911/M667911DG2

431

510

5.5

6.4

1.5

0.42

1.61

2.40

1.57

226

☆＊T-M268749D/M268710/M268710DG2

444

549

6.4

3.3

0.33

2.03

3.02

1.98

421

457 455

545 593

7 8

4 4

5 4

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

374 600

＊T-LM869449D/LM869410/LM869410D ＊LM769349D/LM769310/LM769310D ☆＊EE931170D/931250/931251XDG2

453 453 490

537 534 607

8 6.5 6.6

1.5 6.4 5

2.5 1.5 5

0.55 0.44 0.32

1.24 1.52 2.12

1.84 2.26 3.15

1.21 1.49 2.07

193 232 402

EE736173D/736238/736239D

464

572

6.5

6.4

3.5

0.35

1.95

2.90

1.91

297

479 494 484 483

572.5 607 607 595

5 5 6 5

5 5 3 5

0.33 0.33 0.33 0.33

2.03 2.03 2.03 2.03

3.02 3.02 3.02 3.02

1.64 1.98 1.98 1.98

430 498 400 600

☆＊M270749D/M270710/M270710DG2

478

591

6.4

3.3

0.33

2.03

3.02

1.98

509

＊L770849D/L770810/L770810D ＊EE244181D/244235/244236D ＊EE737179D/737260/737260D

478 490 495

567 583 616

5.5 5.5 6.5

3.3 2.5 6.4

1.5 3 3.3

0.47 0.40 0.37

1.43 1.67 1.80

2.12 2.49 2.69

1.39 1.63 1.76

201 207 379

625992A

499

598.5

0.33

2.03

3.02

1.98

493

CRO-9501

506

614

2.5

0.34

1.98

2.94

1.93

465

625996 CRO-9612 CRO-9602

525 524 517

623 650 645

7 2 8

5 5 5

0.33 0.33 0.4

2.03 2.03 1.68

3.02 3.02 2.50

1.98 1.98 1.64

563 554 436

☆＊LM272249D/LM272210/LM272210DG2

504

585

6.5

6.4

3.3

0.33

2.03

3.02

1.98

250

☆＊T-EE640193D/640260/640261DG2

519

624

0.31

2.20

3.27

2.15

364

625984 (CRO-8414) CRO-8402

625988 (CRO-8839) ☆CRO-8808 ☆CRO-8807 CRO-8806

8 9 9 11

B-193

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 489.026∼585.788mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

rs min1

rls min1

489.026

634.873

320.675

3.3

3,650

12,000

370,000

1,220,000

500

670 690 705 730 730

515 480 515 420 440

5 5 6 6 6

1.5 5 6 6 6

6,900 6,000 8,450 7,450 7,200

24,600 19,900 27,100 19,900 20,600

700,000 610,000 860,000 760,000 735,000

2,510,000 2,020,000 2,760,000 2,030,000 2,100,000

501.650

711.200

520.700

6.4

3.3

8,650

27,300

885,000

2,790,000

508.000

762.000

463.550

6.4

7,800

21,400

795,000

2,180,000

509.948

654.924

377.000

379.000

6.4

1.5

5,100

17,600

520,000

1,790,000

514.350

673.100

422.275

6.4

3.3

5,950

20,500

605,000

2,090,000

519.112

736.600

536.575

6.4

3.3

9,100

28,700

925,000

2,930,000

520

735

535

9,100

28,700

925,000

2,930,000

533.400

965.200

495.300

7.5

11,100

28,700

1,130,000

2,920,000

536.575

761.873

558.800

6.4

3.3

10,100

30,500

1,030,000

3,100,000

539.750

784.225

339.725

342.900

6.4

3.3

4,800

12,200

490,000

1,240,000

555.625

698.500

349.250

6.4

3.2

4,350

14,300

445,000

1,460,000

558.800

736.600 736.600

322.265 409.575

322.268 409.575

6.4 6.4

3.3 3.3

4,300 6,100

13,500 20,500

435,000 625,000

1,380,000 2,090,000

570

780 810

515 590

6 6

9,200 11,000

31,000 35,500

935,000 1,120,000

3,150,000 3,600,000

571.500

812.800

593.725

6.4

3.3

11,900

36,500

1,220,000

3,750,000

584.200

762.000

396.875

401.638

6.4

3.3

6,550

22,300

670,000

2,280,000

585.788

771.525

479.425

6.4

3.3

8,550

29,000

875,000

2,960,000

1 Minimum allowable dimension for chamfer dimension r or r1.

B-194

Cor

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

＊LM772749D/LM772710/LM772710DA

513

600

CRO-10008 CRO-10005 6259/500 ☆CRO-10023 ☆CRO-10003

520 530 553 554 550

616 640 649.5 702 683

☆＊M274149D/M274110/M274110DG2

534

663

☆＊EE531201D/531300/531301XDG2

549

☆CRO-10208 (CRO-10214)

Constant

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

2.5

0.47

1.43

2.12

1.40

268

4 4 5 5 5

1.5 4 5 5 5

0.40 0.33 0.33 0.40 0.33

1.68 2.03 2.03 1.68 2.03

2.50 3.02 3.02 2.50 3.02

1.64 1.98 1.98 1.64 1.98

598 600 632 606 535

9.5

6.4

3.3

0.33

2.03

3.02

1.98

726

711

9.5

0.38

1.77

2.64

1.73

740

533.5

527

0.41

1.65

2.46

1.61

320

＊LM274449D/LM274410/LM274410D

540

648

6.4

3.3

0.33

2.03

3.02

1.98

390

☆＊M275349D/M275310/M275310DG2 (CRO-10408)

552

684

9.5

6.4

3.3

0.33

2.03

3.02

1.98

761

☆CRO-10402

558

688

0.33

2.03

3.02

1.98

750

☆CRO-10702

680

929.2

7.5

0.32

2.12

3.15

2.07

1,662

564

711

9.5

6.4

3.3

0.33

2.03

3.02

1.98

890

575

733

6.5

6.4

3.3

0.48

1.41

2.10

1.38

552

579

670.5

6.5

0.33

2.03

3.02

1.98

298

585 588

699 696

8.5 8

6.4 6.4

3.3 3.3

0.34 0.35

1.98 1.95

2.94 2.90

1.93 1.90

388 502

609 620

733 760

7.5 10

5 5

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

625 845

☆＊M278749D/M278710/M278710DAG2

609

756

6.4

3.3

0.33

2.03

3.02

1.98

1,080

☆＊LM778549D/LM778510/LM778510DG2

615

717

6.4

3.3

0.47

1.43

2.14

1.40

511

615

726

6.4

3.3

0.35

1.95

2.90

1.91

750

☆＊M276449D/M276410/M276410DG2 ＊EE522126D/523087/523088D CRO-11101 (CRO-11103) ＊EE843221D/843290/843291D (CRO-11217) ☆＊LM377449D/LM377410/LM377410DG2 (CRO-11216) ☆CRO-11402 ☆CRO-11403

＊LM278849D/LM278810/LM278810D

6.5

Axial load factors

8 7 7.5 7.5 11

B-195

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 585.788∼730mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static kgf

rs min1

rls min1

585.788

771.525

479.425

6.4

3.3

7,350

25,700

750,000

2,620,000

595.312

844.550 844.550

615.950 615.950

6.4 6.4

3.3 3.3

12,300 12,600

39,000 40,500

1,250,000 1,290,000

4,000,000 4,100,000

609.600

787.400 863.600

361.950 660.400

6.4 6.4

3.3 3.3

6,450 13,500

20,300 42,000

655,000 1,380,000

2,070,000 4,300,000

611.500

832.800

593.725

6.4

3.3

11,500

37,500

1,170,000

3,850,000

630

920

600

7.5

7.8

13,100

39,000

1,340,000

3,950,000

650

1,030

560

7.5

13,500

35,000

1,380,000

3,550,000

676.275

6.4

3.3

15,300

48,000

1,560,000

4,900,000

642

7.5

15,400

43,500

1,570,000

4,450,000

365.125

6.4

3.3

6,200

23,200

630,000

2,360,000

700 710 710

7.5 7.5 7.5

16,700 19,100 17,400

51,500 50,000 47,500

1,700,000 1,950,000 1,780,000

5,300,000 5,100,000 4,850,000

11,200

38,000

1,140,000

3,900,000

7,500

27,400

765,000

2,790,000

657.225

933.450 1,070

660 660.400

812.800 960 1,090 1,090

670

Cor

679.450

901.700

552.450

6.4

3.3

680

870

460

682.625

965.200

701.675

6.4

3.3

16,100

50,500

1,640,000

5,150,000

685.800

876.300

352.425

355.600

6.4

3.3

6,050

21,800

615,000

2,220,000

710

900

410

2.5

7,650

26,900

780,000

2,740,000

711.200

914.400 914.400

317.500 317.500

6.4 6.4

3.3 16

5,350 5,350

17,900 17,900

545,000 545,000

1,820,000 1,820,000

642

7.5

15,400

46,500

1,570,000

4,750,000

730

1,070

1 Minimum allowable dimension for chamfer dimension r or r1.

B-196

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

☆CRO-11701

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

9.5

6.4

3.3

0.35

1.95

2.90

1.91

610

628

718

☆CRO-11913 ☆＊M280049D/M280010/M280010DG2

654 633

781 786

7 11

6.4 6.4

3.3 3.3

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

1,135 1,160

☆＊EE649241D/649310/649311DG2 ☆＊M280349D/M280310/M280310DG2

636 659

747 796

9.5 13.5

6.4 6.4

3.3 3.3

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

458 1,250

☆CRO-12202

660

776

11.5

6.4

3.3

0.33

2.03

3.02

1.98

960

☆CRO-12604

702

848

7.5

0.33

2.03

3.02

1.98

1,390

☆CRO-13001

765

947

8.5

0.32

2.12

3.15

2.07

1,760

699

870

760

991

682.8

☆＊M281649D/M281610/M281610DG2

6.4

3.3

0.33

2.03

3.02

1.98

1,630

0.32

2.12

3.15

2.07

1,950

777

6.4

3.3

0.33

2.03

3.02

1.98

448

719 782 799

901 997 995

8 13.5 13.5

6 6 6

0.33 0.29 0.32

2.03 2.32 2.12

3.02 3.45 3.15

1.98 2.26 2.07

1,600 2,690 2,600

714

852

6.4

3.3

0.33

2.03

3.02

1.98

1,040

713

824

2.5

0.43

1.57

2.34

1.53

582

☆M282249D/M282210/M282210DG2

723

900

6.4

3.3

0.33

2.03

3.02

1.98

1,770

☆＊EE655271D/655345/655346DG2 (CRO-13708)

717

831

6.4

3.3

0.42

1.61

2.40

1.57

539

745

850

0.33

2.03

3.02

1.98

620

744 762

873 873

9.5 8

2.5 6.4

5 3.3

0.38 0.38

1.77 1.77

2.64 2.64

1.73 1.73

527 527

780

1,020

0.33

2.03

3.02

1.98

1,900

☆CRO-13202 ☆＊L281149D/L281110/L281110DG2 ☆CRO-13401 ☆CRO-13404 ☆CRO-13402 ☆＊LM281849D/LM281810/LM281810DG2 CRO-13602

☆CRO-14208 ☆＊EE755281D/755360/755361DG2 ☆＊EE755280D/755360/755361DG2 ☆CRO-14601

B-197

●Four Row Tapered Roller Bearings

C2 r r1 B2 φD

φd

d 730.250∼1,200.150mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

rs min1

rls min1

static kgf

Cor

730.250

1,035.050

755.650

6.4

3.3

18,100

59,500

1,850,000

6,050,000

749.300

990.600

605.000

6.4

3.3

12,600

45,500

1,290,000

4,650,000

762.000

1,066.800 1,079.500

723.900 787.400

736.600 787.400

12.7 12.7

4.3 4.8

17,700 19,200

58,500 65,000

1,800,000 1,960,000

5,950,000 6,600,000

800

1,120

820

21,000

72,500

2,140,000

7,400,000

825.500

1,168.400

844.550

4.8

22,300

76,500

2,270,000

7,800,000

840

1,170

840

21,900

76,500

2,230,000

7,800,000

863.600

1,130.300 1,219.200

669.925 876.300

669.925 889.000

12.7 12.7

4.8 4.8

15,800 24,100

59,500 83,000

1,610,000 2,450,000

6,050,000 8,450,000

938.212

1,270.000

825.500

12.7

4.8

22,500

80,000

2,300,000

8,150,000

950

1,360

880

27,000

89,000

2,750,000

9,050,000

1,593.850

990.600

4.8

33,500

132,000

3,400,000

13,500,000

1,200.150

7.5 12.7 6

7.5 12.7

1 Minimum allowable dimension for chamfer dimension r or r1.

B-198

●Four Row Tapered Roller Bearings

Sa ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

r1a

φDa

φda

Bearing numbers

Abutment and fillet dimensions

Constant

Axial load factors

Mass kg

mm Sa

ras

rlas

min

max

(approx.)

☆＊M283449D/M283410/M283410D

774

966

6.4

3.3

0.33

2.03

3.02

1.98

2,210

☆＊LM283649D/LM283610/LM283610DG2

786

936

10.5

6.4

3.3

0.33

2.03

3.02

1.98

1,250

☆＊M284148D/M284111/M284110DG2 ☆＊M284249D/M284210/M284210DG2

840 810

985 1,005

3.5 13

12.7 12.7

4.3 4.8

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

2,220 2,480

858

1,052

0.33

2.03

3.02

1.98

3,960

879

1,085

12.7

4.8

0.33

2.03

3.02

1.98

3,010

897

1,099

0.33

2.03

3.02

1.98

3,970

☆＊LM286249D/LM286210/LM286210DG2 ☆＊EE547341D/547480/547481DG2 (CRO-17301)

906 918

1,065 1,135

11 6.5

12.7 12.7

4.8 4.8

0.33 0.33

2.03 2.03

3.02 3.02

1.98 1.98

1,950 3,640

☆＊LM287649D/LM287610/LM287610DG2

990

1,190

12.7

4.8

0.33

2.03

3.02

1.98

4,100

1,030

1,278

0.35

1.95

2.90

1.91

4,100

1,260

1,500

12.7

4.8

0.33

2.03

3.02

1.98

6,130

☆CRO-16001 ☆＊M285848D/M285810/M285810DG2 ☆CRO-16803

☆CRO-19001 ☆＊LM288949D/LM288910/LM288910DG2

B-199

●Sealed Four Row Tapered Roller Bearings C2 r r1 B2 φD

φd

d 140∼711.200mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

140 200 216.103 220 240 245 250 254 260 260.35 279.4 280 285 290 300 304.648 310 320 343.052 355 360 410 420 440 457.2 479.425 482.6 530 595.312 711.2

static kgf

rs min1

rls min1

Cor

198 198 282 330.2 295 310 320 338 338 345 365 358.775 358.775 365 422.275 393.7 380 395 395 410 400 400 400 420 430 438.048 430 430 480 457.098 457.098 457.098 490 480 546 620 590 620 596.9 679.45 615.95 715 844.55 914.4 914.4

174 174 206 263.525 315 280 290 248 340 310 270 269.875 269.875 339 314.325 269.875 290 290 340 268 340 346 254 310 295 280.99 310 350 360 254 254 299 316 375 400 395 480 454 276.225 495.3 330.2 590 615.95 387.35 410

174 174 206 269.875 315 280 290 248 340 310 270 269.875 269.875 339 317.5 269.875 290 290 340 268 340 346 254 310 305 279.4 310 350 360 254 254 299 316 375 400 320 480 454 279.4 495.3 330.2 590 615.95 387.35 410

2 2 2.5 3.3 2.5 2.5 3 3 2.5 3 3 3.3 3.3 4 3.3 6.4 3 4 2.5 6.4 4 4 4 4 5 3.7 4 2.5 4 3.3 3.3 3.3 4 3 5 6 6 6 3.3 6.4 6.4 6 6.4 6.4 5

1.5 1.5 2.5 1.5 1 1 2.7 3 1 1 2.5 1.5 3.3 1 4.8 1.5 1 1.5 3.2 2.2 1 3.1 5 3.2 1 2.8 1.5 3.2 2 1.5 0.6 1.5 2.3 2.8 1.5 6 1.5 1.5 1.5 0.6 3.3 4 3.0 3.3 2.5

595 615 950 1,770 1,270 1,590 1,780 1,590 2,040 2,070 1,920 1,940 1,850 2,250 2,680 2,000 2,060 2,120 2,590 2,140 2,560 2,560 1,920 2,510 2,150 2,250 2,340 2,820 3,600 2,060 1,900 2,470 2,520 3,400 3,850 4,550 4,550 5,800 2,540 6,450 3,200 8,200 10,600 6,300 6,400

1,470 1,510 2,450 4,000 3,850 4,100 4,850 4,200 6,000 5,950 4,750 4,900 4,750 5,950 5,950 4,950 5,750 5,450 7,150 5,000 7,650 7,650 5,300 6,850 5,550 5,450 6,600 7,950 8,850 5,500 5,050 7,100 6,600 10,200 11,900 11,800 13,900 16,600 6,800 18,400 9,650 26,900 32,000 19,600 20,700

60,500 63,000 97,000 180,000 130,000 162,000 181,000 162,000 208,000 211,000 196,000 198,000 188,000 229,000 274,000 204,000 210,000 216,000 264,000 219,000 261,000 261,000 196,000 256,000 219,000 229,000 239,000 288,000 370,000 210,000 194,000 252,000 257,000 345,000 390,000 465,000 465,000 595,000 259,000 660,000 330,000 835,000 1,080,000 645,000 655,000

150,000 154,000 250,000 405,000 395,000 420,000 495,000 430,000 610,000 610,000 485,000 500,000 485,000 610,000 606,000 505,000 585,000 560,000 730,000 505,000 780,000 780,000 540,000 695,000 565,000 555,000 670,000 815,000 900,000 560,000 515,000 725,000 675,000 1,040,000 1,210,000 1,200,000 1,420,000 1,700,000 695,000 1,870,000 985,000 2,740,000 3,250,000 2,000,000 2,110,000

1 Minimum allowable dimension for chamfer dimension r or r1. Remarks: 1. The marked "＊" bearings are inch system sizes.

B-200

Bearing numbers

CRO-2810LL CRO-2812LL CRO-4022LL ＊CRO-4303LL CRO-4424LL CRO-4427LL CRO-4436LL CRO-4811LL CRO-4817LL CRO-4906LL CRO-5015LL ＊CRO-5117LL ＊CRO-5116LL CRO-5224LL ＊CRO-5227LL ＊CRO-5652LL CRO-5660LL CRO-5665LL CRO-5664LL CRO-5639LL CRO-5709LL CRO-5814LL CRO-6038LL CRO-6042LL CRO-6031LL ＊CRO-6143LL CRO-6220LL CRO-6222LL CRO-6426LL ＊CRO-6930LL ＊CRO-6920LL ＊CRO-6936LL CRO-7109LL CRO-7226LL CRO-8204LL CRO-8412LL CRO-8830LL CRO-8832LL ＊CRO-9107LL ＊CRO-9610LL ＊CRO-9725LL CRO-10607LL ＊CRO-11919LL ＊CRO-14214LL ＊CRO-14209LL

â&#x2014;?Sealed Four Row Tapered Roller Bearings

Constant Axial load factors

Mass kg

0.40 0.47 0.33 0.55 0.37 0.33 0.39 0.43 0.40 0.40 0.40 0.40 0.55 0.40 0.55 0.47 0.33 0.33 0.40 0.33 0.40 0.40 0.28 0.40 0.33 0.47 0.40 0.40 0.47 0.47 0.33 0.43 0.33 0.33 0.33 0.37 0.33 0.33 0.47 0.33 0.33 0.32 0.33 0.38

1.68 1.43 2.03 1.23 1.80 2.03 1.74 1.57 1.68 1.68 1.68 1.68 1.24 1.68 1.24 1.43 2.03 2.07 1.68 2.07 1.68 1.68 2.43 1.68 2.03 1.43 1.68 1.68 1.43 1.43 2.03 1.57 2.03 2.03 2.03 1.80 2.03 2.03 1.43 2.03 2.03 2.12 2.03 1.78

2.50 2.12 3.02 1.82 2.69 3.02 2.59 2.34 2.50 2.50 2.50 2.50 1.84 2.50 1.84 2.12 3.02 3.09 2.50 3.09 2.50 2.50 3.61 2.50 3.02 2.12 2.50 2.50 2.12 2.12 3.02 2.34 3.02 3.02 3.02 2.69 3.02 3.02 2.12 3.02 3.02 3.15 3.02 2.65

1.64 16 1.40 15.5 1.98 39 1.20 78.2 1.76 57.5 1.98 63.5 1.70 77 1.53 67.8 1.64 94.4 1.64 90.5 1.64 90 1.64 83 1.21 81.7 1.64 103 1.21 177 1.40 96.4 1.98 90 2.03 108 1.64 126 2.03 116 1.64 134 1.64 129 2.37 84.6 1.64 128 1.98 136 1.40 136 1.64 133 1.64 150 1.40 228 1.40 105 1.98 107 1.53 130 1.98 159 1.98 180 1.98 253 1.76 384 1.98 358 1.98 426 1.40 192 1.98 565 1.98 225 2.07 700 1.98 1130 1.74 616

0.38

1.77

2.64

1.73

(approx.)

596

B-201

Spherical Roller bearings

●Spherical Roller Bearings 1. Type, Structure and Characteristics The barrel shaped spherical rolling elements of a selfaligning bearing track along two rows of raceway grooves in the inner ring. The center of the outer ring’s raceway aligns with the center of the bearing. The self-aligning feature accommodates errors in housing assembly and misalignments between the inner and outer rings caused by bent shafts. The bearings have a large load capacity and are suitable for applications with vibration and impact loads.

In addition to a cylindrical shaft bore, the bearings are available with a tapered shaft bore. The tapered bore bearings can be shaft mounted using an adapter or removable sleeves. Table 1 shows the types of the selfaligning roller bearings. Please consult with NTN Engineering for the special product (do part number starts with 2p)

Table 1 Model of Self-Aligning Roller Bearings Model

Standard (Model B)

Model C

Model 213

Bearings except Model C

24024∼24038

213's bore should be more than 55mm.

A symmetrical roller

Symmetrical roller

A symmetrical roller

Guided by the inner rib which is united with the inner ring.

By the guide ring located between two rows of rollers.

By the guide ring located between the rollers on the outer ring raceway.

Pressed cage

Machined cage

Structure

Bearing Series Roller Roller guide type

Cage type

Pressed cage Machined cage

Table 2 Lubrication hole and groove dimensions

1.2 Lubrication holes and grooves

Nominal bearing width

Holes and grooves to supply lubricant are provided on self-aligning roller bearings with outside diameters greater than 320mm. If required, lubrication holes and grooves can be manufactured for bearings with ODs smaller than 320mm. Consult NTN Engineering for further details and add the supplemental code D1 to the part number. Table 2 shows the dimensions for lubrication holes and grooves. The number of lubrication holes are shown in Table 3.

over

incl

80 100 120 160 200 315

100 120 160 200 315 −

Oil groove depth h Oil groove width Oil hole dia do Wo Width series Width series 1, 2, 3 4 14 16 20 27 33 42

8 10 12 16 20 25

Table 3 Lubrication hole number

When a knock pin for lubricant retention is necessary, please contact NTN Engineering.

Nominal bearing outside dia. mm over incl − 320 1,010

B-203

Unit mm

320 1,010 −

Hole number Zo 4 8 12

2.5 3.0 3.5 5.0 6.0 7.0

2.0 2.5 3.0 3.5 5.0 6.5

●Spherical Roller Bearings

2. Dimensional Accuracy/Rotation Accuracy

6. Assembly of Tapered Hole Roller Bearings

Refer to Table 3.3 (Page A-12)

Tapered hole spherical roller bearings use the measurement method as shown in Fig.1. A suitable tightening rate can be achieved by pushing the bearing toward the axial direction until it reaches the reduction rate of the radial internal clearance or pushing rate of axial direction. When heavy and high speed loads are applied, or when it is necessary to keep a higher tightening rate as the temperature difference between the inner and outer rings rises, be sure to have the maximum reduction rate of radial internal clearance or the pushing rate of the axial direction, as shown in Table 4, by using a bearing with a radial internal clearance of more than C3. The clearance after mounting in this case should be larger than the minimum clearance after mounting as shown in Table 4.

3. Recommended Fitting Refer to Table 4.2 (Page A-24)

4. Bearing Internal Clearance Refer to Table 5.10 (Page A-36)

5. Allowable aligning angle These bearings have a self-aligning function, and their allowable aligning angle varies depending on the dimension series and load conditions, but are mostly described as follows.

Clearance gauge

Normal load (Equivalent load to 0.09 Cr) ⋯ 0.009rad (0.5° ) Light load ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ 0.035rad (2° )

Fig.1 Measurement method of spherical roller bearing internal clearance Table 4 Assembly of tapered hole spherical roller bearings Nominal bearing bore

Reduction rate of

radial internal clearance

Unit:mm

Pushing rate of axial direction Minimum residual internal clearance taper 1/12

taper 1/30

over

incl

min

max

min

max

min

max

80 100 120

100 120 140

0.045 0.05 0.065

0.055 0.06 0.075

0.7 0.75 1.1

0.8 0.9 1.2

1.75 1.9 2.75

2.25 2.25 3

0.035 0.05 0.055

0.05 0.065 0.08

0.08 0.1 0.11

140 160 180

160 180 200

0.075 0.08 0.09

0.09 0.1 0.11

1.2 1.3 1.4

1.4 1.6 1.7

3 3.25 3.5

3.75 4 4.25

0.055 0.06 0.07

0.09 0.1 0.1

0.13 0.15 0.16

200 225 250

225 250 280

0.1 0.11 0.12

0.12 0.13 0.15

1.6 1.7 1.9

1.9 2 2.4

4 4.25 4.75

4.75 5 6

0.08 0.09 0.1

0.12 0.13 0.14

0.18 0.2 0.22

280 315 355

315 355 400

0.13 0.15 0.17

0.16 0.18 0.21

2 2.4 2.6

2.5 2.8 3.3

5 6 6.5

6.25 7 8.25

0.11 0.12 0.13

0.15 0.17 0.19

0.24 0.26 0.29

400 450 500

450 500 560

0.2 0.21 0.24

0.24 0.26 0.3

3.1 3.3 3.7

3.7 4 4.6

7.75 8.25 9.25

9.25 10 11.5

0.13 0.16 0.17

0.2 0.23 0.25

0.31 0.35 0.36

560 630 710

630 710 800

0.26 0.3 0.34

0.33 0.37 0.43

4 4.6 5.3

5.1 5.7 6.7

10 11.5 13.3

12.5 14.5 16.5

0.2 0.21 0.23

0.29 0.31 0.35

0.41 0.45 0.51

800 900 1,000 1,120

900 1,000 1,120 1,250

0.37 0.41 0.45 0.49

0.47 0.53 0.58 0.63

5.7 6.3 6.8 7.4

7.3 8.2 8.7 9.4

14.3 15.8 17 18.5

18.5 20.5 22.5 24.5

0.27 0.3 0.32 0.34

0.39 0.43 0.48 0.54

0.57 0.64 0.7 0.77

B-204

●Spherical Roller Bearings

7. General Operating Cautions Pressed cages or machined cages are standard depending on the bearing type and dimensions. However, a standard cage may not be used under high speed specifications or in conditions under severe vibration or impact. When bearings are operated under small loads (about Fr ≦ 0.04Cor), or under axial loads only, prevent rolling elements from smearing by operating in conditions where Fa/Fr ≦ 2e. (Refer to the dimension table for the value of “e.”) This is most apparent when using large size spherical roller bearings due to the large roller and cage mass. Please consult NTN Engineering for further details.

B-205

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 100∼140mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers static kgf

Cor

Cylindrical bore

2 2 2 2.1 2.1 3 3

310 380 405 315 405 370 605

470 590 640 415 580 465 755

31,500 38,500 41,500 32,000 41,500 37,500 61,500

47,500 60,000 65,500 42,500 59,000 47,500 77,000

23120B 2P2009 ☆2P2014 22220B 23220B 21320 22320B

45 56 69 53 69.8 50 80

2 2 2 2.1 2.1 3 3

282 370 450 410 515 495 745

455 580 755 570 760 615 930

28,800 37,500 46,000 42,000 52,500 50,500 76,000

46,500 59,500 77,000 58,000 77,500 62,500 95,000

120

180 180 180 180 200 200 215 215 260

46 60 60 69 62 80 58 76 86

2 2 2 2 2 2 2.1 2.1 3

296 390 395 415 455 575 485 585 880

495 670 695 785 705 945 700 880 1,120

30,000 39,500 40,000 42,500 46,500 58,500 49,500 59,500 89,500

130

200 200 200 210 210 230 230 280

52 69 69 64 80 64 80 93

2 2 2 2 2 3 3 4

375 505 490 495 585 570 685 1,000

620 895 860 795 995 790 1,060 1,290

139.734 218

1.1

605

210 210

53 69

2 2

405 510

100

165 170 170 180 180 215 215

52 65 65 46 60.3 47 73

110

170 180 180 200 200 240 240

140

rs min

tapered2 bore

Abutment and fillet dimensions mm da

ras

min

max

23120BK 2P2009K 2P2014K 22220BK 23220BK 21320K 22320BK

110 110 110 112 112 114 114

155 160 160 168 168 201 201

2 2 2 2 2 2.5 2.5

23022B 23122B 24122B 22222B 23222B 21322 22322B

23022BK 23122BK 24122BK30 22222BK 23222BK 21322K 22322BK

120 120 120 122 122 124 124

160 170 170 188 188 226 226

2 2 2 2 2 2.5 2.5

50,500 68,500 71,000 80,000 71,500 96,500 71,500 89,500 114,000

23024B 24024B ☆24024C ☆2P2416 23124B 24124B 22224B 23224B 22324B

23024BK 24024BK30 24024CK30 2P2416K 23124BK 24124BK30 22224BK 23224BK 22324BK

130 130 130 130 130 130 132 132 134

170 170 170 170 190 190 203 203 246

2 2 2 2 2 2 2 2 2.5

38,500 51,500 50,000 50,500 60,000 58,000 70,000 102,000

63,500 91,000 87,500 81,000 102,000 80,500 108,000 131,000

23026B 24026B ☆24026C 23126B 24126B 22226B 23226B 22326B

23026BK 24026BK30 24026CK30 23126BK 24126BK30 22226BK 23226BK 22326BK

140 140 140 140 140 144 144 148

190 190 190 200 200 216 216 262

2 2 2 2 2 2.5 2.5 3

1,050

61,500

106,000

2P2803

2P2803K

146

211

690 945

41,000 52,000

70,500 96,500

23028B 24028B

23028BK 24028BK30

150 150

200 200

2 2

1 Smallest allowable dimension for chamfer dimension r. 2 Bearings appended with "K" have a tapered bore ratio of 1:12; bearings appended with "K30" have a tapered bore ratio of 1:30. Remarks: 1. Bearing numbers marked "☆" are C type. B-206

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.32 0.38 0.38 0.26 0.34 0.22 0.37

2.12 1.78 1.75 2.55 1.98 3.01 1.80

3.15 2.65 2.61 3.80 2.94 4.48 2.69

2.07 1.74 1.72 2.49 1.93 2.94 1.76

4.3 5.84 5.91 4.95 6.47 8.89 12.4

4.16 5.62 5.69 4.84 6.28 8.78 12.1

0.26 0.31 0.38 0.27 0.35 0.21 0.36

2.59 2.17 1.76 2.51 1.91 3.20 1.87

3.85 3.24 2.63 3.74 2.84 4.77 2.79

2.53 2.13 1.73 2.46 1.86 3.13 1.83

3.71 5.4 7.07 7.2 9.71 11.2 17.1

3.58 5.22 6.96 7.04 9.43 11.1 16.7

0.25 0.33 0.32 0.35 0.31 0.40 0.27 0.36 0.37

2.69 2.06 2.12 1.95 2.17 1.68 2.47 1.89 1.80

4.01 3.07 3.15 2.90 3.24 2.50 3.68 2.82 2.69

2.63 2.02 2.07 1.91 2.13 1.64 2.42 1.85 1.76

4.05 5.48 5.48 5.95 7.7 10.3 9.1 12.1 21.5

3.9 5.39 4.91 5.65 7.46 10.1 8.89 11.7 21

0.26 0.34 0.32 0.30 0.38 0.28 0.35 0.37

2.63 1.98 2.12 2.23 1.78 2.39 1.92 1.81

3.92 2.95 3.15 3.32 2.65 3.56 2.86 2.69

2.57 1.94 2.07 2.18 1.74 2.33 1.88 1.77

5.9 8.08 7.91 8.47 11 11.2 14.3 26.8

5.69 7.95 7.78 8.2 10.8 10.9 13.9 26.2

0.35

1.91

2.84

1.86

10.8

10.3

0.25 0.32

2.73 2.09

4.06 3.12

2.67 2.05

6.35 8.57

6.12 8.43 B-207

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 140∼180mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers static kgf

Abutment and fillet dimensions mm

tapered2 bore

ras

min

max

Cor

Cylindrical bore

940 895 1,150 975 1,270 1,460

53,000 55,000 68,500 70,000 82,000 115,000

95,500 91,000 117,000 99,500 129,000 149,000

☆24028C 23128B 24128B 22228B 23228B 22328B

24028CK30 23128BK 24128BK30 22228BK 23228BK 22328BK

150 152 152 154 154 158

200 213 213 236 236 282

2 2 2 2.5 2.5 3

445 585 600 730 885 775 935 1,270

775 1,060 1,090 1,190 1,520 1,160 1,460 1,750

45,500 59,500 61,000 74,500 90,500 79,000 95,000 130,000

79,000 108,000 111,000 121,000 155,000 119,000 149,000 179,000

23030B 24030B ☆24030C 23130B 24130B 22230B 23230B 22330B

23030BK 24030BK30 24030CK30 23130BK 24130BK30 22230BK 23230BK 22330BK

162 162 162 162 162 164 164 168

213 213 213 238 238 256 256 302

2 2 2 2 2 2.5 2.5 3

2 2.1 2.1 2.1 2.1 2.1 3 3 4

320 505 650 665 840 1,040 870 1,050 1,410

610 885 1,200 1,250 1,370 1,780 1,290 1,660 1,990

33,000 51,500 66,500 67,500 85,500 106,000 88,500 107,000 144,000

62,500 90,000 122,000 127,000 140,000 181,000 132,000 170,000 203,000

23932 23032B 24032B ☆24032C 23132B 24132B 22232B 23232B 22332B

23932K 23032BK 24032BK30 24032CK30 23132BK 24132BK30 22232BK 23232BK 22332BK

170 172 172 172 172 172 174 174 178

210 228 228 228 258 258 276 276 322

2 2 2 2 2 2 2.5 2.5 3

45 67 90 90 88 109 86 110 120

2 2.1 2.1 2.1 2.1 2.1 4 4 4

330 630 800 815 885 1,080 1,000 1,180 1,540

650 1,080 1,470 1,500 1,490 1,880 1,520 1,960 2,180

34,000 64,000 81,500 83,000 90,500 110,000 102,000 120,000 157,000

66,000 110,000 150,000 153,000 152,000 191,000 155,000 200,000 223,000

23934 23034B 24034B ☆24034C 23134B 24134B 22234B 23234B 22334B

23934K 23034BK 24034BK30 24034CK30 23134BK 24134BK30 22234BK 23234BK 22334BK

180 182 182 182 182 182 188 188 188

220 248 248 248 268 268 292 292 342

2 2 2 2 2 2 3 3 3

52 74 100

2 2.1 2.1

440 740 965

835 1,290 1,770

45,000 75,500 98,500

85,000 132,000 181,000

23936 23036B 24036B

23936K 23036BK 24036BK30

190 192 192

240 268 268

2 2 2

rs min

140

210 225 225 250 250 300

69 68 85 68 88 102

2 2.1 2.1 3 3 4

520 540 670 685 805 1,130

150

225 225 225 250 250 270 270 320

56 75 75 80 100 73 96 108

2.1 2.1 2.1 2.1 2.1 3 3 4

160

220 240 240 240 270 270 290 290 340

45 60 80 80 86 109 80 104 114

170

230 260 260 260 280 280 310 310 360

180

250 280 280

Cor

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.30 0.30 0.38 0.28 0.36 0.37

2.23 2.25 1.80 2.39 1.90 1.80

3.32 3.35 2.68 3.55 2.83 2.69

2.18 2.20 1.76 2.33 1.86 1.76

8.48 10.2 13.3 14 18.8 33.8

7.66 9.86 13.1 13.7 18.2 33

0.24 0.33 0.30 0.32 0.40 0.27 0.36 0.35

2.76 2.06 2.25 2.11 1.69 2.46 1.88 1.92

4.11 3.07 3.34 3.15 2.51 3.66 2.79 2.86

2.70 2.02 2.20 2.06 1.65 2.40 1.83 1.88

7.73 10.7 10.5 15.6 20.2 18.1 24.1 42.7

7.45 10.5 10.3 15.1 20 17.7 23.4 41.8

0.18 0.25 0.32 0.31 0.32 0.40 0.28 0.36 0.35

3.69 2.74 2.10 2.18 2.11 1.67 2.42 1.86 1.94

5.49 4.09 3.13 3.24 3.15 2.48 3.60 2.77 2.89

3.61 2.68 2.06 2.13 2.07 1.63 2.37 1.82 1.90

5.5 9.42 13 12 19.8 26 22.7 30 50.8

5.33 9.09 12.8 11.8 19.2 25.6 22.2 29.1 49.7

0.17 0.25 0.34 0.31 0.31 0.39 0.28 0.36 0.34

3.91 2.66 1.98 2.16 2.15 1.74 2.39 1.87 1.96

5.83 3.96 2.95 3.22 3.21 2.59 3.56 2.79 2.91

3.83 2.60 1.94 2.12 2.11 1.70 2.34 1.83 1.91

5.8 12.7 17.7 17.4 21.5 27.2 28 36.8 59.8

5.62 12.3 17.4 17.1 20.8 26.8 27.3 35.7 58.5

0.19 0.26 0.35

3.52 2.59 1.91

5.25 3.85 2.85

3.45 2.53 1.87

8.21 16.7 23.3

7.95 16.1 22.9 B-209

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 180∼240mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

kN rs min

Bearing numbers static kgf

Cor

Cylindrical bore

Abutment and fillet dimensions mm

tapered2 bore

ras

min

max

180

280 290 300 300 320 320 380

100 110 96 118 86 112 126

2.1 2.1 3 3 4 4 4

965 1,050 1,030 1,250 1,040 1,230 1,740

1,770 1,890 1,730 2,210 1,610 2,000 2,560

98,500 107,000 105,000 127,000 106,000 125,000 177,000

181,000 193,000 176,000 225,000 164,000 204,000 261,000

☆24036C 2P3604 23136B 24136B 22236B 23236B 22336B

24036CK30 2P3604K 23136BK 24136BK30 22236BK 23236BK 22336BK

192 192 194 194 198 198 198

268 278 286 286 302 302 362

2 2 2.5 2.5 3 3 3

190

260 290 290 290 320 320 340 340 400

52 75 100 100 104 128 92 120 132

2 2.1 2.1 2.1 3 3 4 4 5

460 755 995 970 1,190 1,420 1,160 1,400 1,870

890 1,350 1,850 1,820 2,020 2,480 1,810 2,330 2,790

47,000 77,000 102,000 98,500 122,000 144,000 118,000 143,000 191,000

91,000 138,000 188,000 186,000 206,000 253,000 185,000 237,000 284,000

23938 23038B 24038B ☆24038C 23138B 24138B 22238B 23238B 22338B

23938K 23038BK 24038BK30 24038CK30 23138BK 24138BK30 22238BK 23238BK 22338BK

200 202 202 202 204 204 208 208 212

250 278 278 278 306 306 322 322 378

2 2 2 2 2.5 2.5 3 3 4

200

280 310 310 340 340 360 360 420

60 82 109 112 140 98 128 138

2.1 2.1 2.1 3 3 4 4 5

545 915 1,160 1,350 1,630 1,310 1,610 2,040

1,100 1,620 2,140 2,270 2,900 2,010 2,640 3,050

56,000 93,000 118,000 137,000 166,000 134,000 165,000 208,000

112,000 165,000 219,000 231,000 295,000 205,000 269,000 310,000

23940 23040B 24040B 23140B 24140B 22240B 23240B 22340B

23940K 23040BK 24040BK30 23140BK 24140BK30 22240BK 23240BK 22340BK

212 212 212 214 214 218 218 222

268 298 298 326 326 342 342 398

2 2 2 2.5 2.5 3 3 4

220

300 340 340 370 370 400 400 400 460

60 90 118 120 150 108 144 150 145

2.1 3 3 4 4 4 4 4 5

565 1,060 1,350 1,540 1,880 1,580 2,010 2,040 2,350

1,170 1,920 2,570 2,670 3,400 2,460 3,350 3,400 3,500

57,500 108,000 138,000 157,000 192,000 161,000 205,000 208,000 240,000

119,000 195,000 262,000 272,000 345,000 251,000 340,000 345,000 360,000

23944 23044B 24044B 23144B 24144B 22244B 23244B 2P4401 22344B

23944K 23044BK 24044BK30 23144BK 24144BK30 22244BK 23244BK 2P4401K30 22344BK

232 234 234 238 238 238 238 238 242

288 326 326 352 352 382 382 382 438

2 2.5 2.5 3 3 3 3 3 4

240

320 360

60 92

2.1 3

565 1,130

1,190 2,140

58,000 116,000

121,000 219,000

23948 23048B

23948K 23048BK

252 254

308 346

2 2.5

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.33 0.37 0.32 0.39 0.27 0.35 0.34

2.04 1.82 2.11 1.72 2.49 1.91 1.97

3.04 2.70 3.15 2.56 3.70 2.84 2.93

2.00 1.78 2.07 1.68 2.43 1.86 1.92

23 27.5 25.1 34.3 29.3 39 70

22.6 26.3 24.2 33.8 28.6 37.8 68.5

0.18 0.26 0.33 0.31 0.33 0.40 0.27 0.36 0.34

3.81 2.65 2.03 2.16 2.07 1.69 2.47 1.89 1.97

5.67 3.94 3.02 3.22 3.09 2.51 3.68 2.82 2.94

3.73 2.59 1.98 2.12 2.03 1.65 2.42 1.85 1.93

8.6 17.7 24.3 23 35.3 42.8 36.6 47.6 81

8.34 17.1 23.9 22.6 34.2 42.2 35.8 46.2 79.3

0.17 0.26 0.35 0.33 0.41 0.28 0.36 0.34

3.91 2.59 1.94 2.05 1.64 2.45 1.88 1.98

5.82 3.85 2.89 3.05 2.44 3.64 2.79 2.95

3.82 2.53 1.90 2.00 1.60 2.39 1.83 1.94

12.1 22.7 31 43.3 53.4 44 57.2 93.2

11.7 21.9 30.5 42 52.6 43 55.5 91.2

0.19 0.26 0.34 0.33 0.41 0.27 0.36 0.41 0.33

3.62 2.59 1.97 2.07 1.66 2.46 1.85 1.64 2.06

5.39 3.85 2.94 3.09 2.47 3.66 2.76 2.44 3.07

3.54 2.53 1.93 2.03 1.62 2.40 1.81 1.61 2.02

13.1 29.9 40.2 53.3 67 60.4 80 81.9 117

12.7 28.8 39.6 51.6 66 59.1 77.6 80.8 115

0.16 0.25

4.13 2.69

6.15 4.01

4.04 2.63

14 33.4

13.6 32.2 B-211

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 240∼300mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

240

360 400 400 440 440 500

118 128 160 120 160 155

kN rs min

Bearing numbers static kgf

Cor

Cylindrical bore

tapered2 bore

Abutment and fillet dimensions mm da

ras

min

max

3 4 4 4 4 5

1,410 1,730 2,110 1,940 2,430 2,720

2,770 3,050 3,800 3,100 4,100 4,100

144,000 177,000 215,000 198,000 247,000 278,000

282,000 310,000 390,000 315,000 420,000 420,000

24048B 23148B 24148B 22248B 23248B 22348B

24048BK30 23148BK 24148BK30 22248BK 23248BK 22348BK

254 258 258 258 258 262

346 382 382 422 422 478

2.5 3 3 3 3 4

247.65 400.05 120.65 4

1,590

2,780

162,000

283,000

2P5002

2P5002K

266

382

260

360 360 400 400 440 440 480 480 540

70 75 104 140 144 180 130 174 165

2.1 2.1 4 4 4 4 5 5 6

805 760 1,420 1,830 2,140 2,510 2,230 2,760 3,100

1,590 1,580 2,620 3,550 3,850 4,600 3,600 4,700 4,750

82,000 77,500 144,000 186,000 219,000 256,000 228,000 281,000 320,000

163,000 161,000 267,000 365,000 395,000 470,000 365,000 480,000 485,000

2P5203 23952 23052B 24052B 23152B 24152B 22252B 23252B 22352B

2P5203K 23952K 23052BK 24052BK30 23152BK 24152BK30 22252BK 23252BK 22352BK

272 272 278 278 278 278 282 282 288

348 348 382 382 422 422 458 458 512

2 2 3 3 3 3 4 4 5

280

350 380 420 420 440 460 460 500 500 580

52 75 106 140 160 146 180 130 176 175

2 2.1 4 4 4 5 5 5 5 6

525 830 1,510 1,950 2,180 2,300 2,730 2,310 2,930 3,500

1,220 1,750 2,920 3,950 4,250 4,250 5,200 3,800 5,150 5,350

54,000 84,500 154,000 199,000 222,000 234,000 278,000 236,000 298,000 360,000

125,000 179,000 297,000 405,000 435,000 435,000 530,000 390,000 525,000 545,000

23856 23956 23056B 24056B 2P5604 23156B 24156B 22256B 23256B 22356B

23856K 23956K 23056BK 24056BK30 2P5604K 23156BK 24156BK30 22256BK 23256BK 22356BK

290 292 298 298 298 302 302 302 302 308

340 368 402 402 422 438 438 478 478 552

2 2 3 3 3 4 4 4 4 5

290

430

110

1,380

2,860

141,000

291,000

2P5802

2P5802K

308

412

300

420 460 460 500 500 540 540

90 118 160 160 200 140 192

3 4 4 5 5 5 5

1,110 1,890 2,450 2,750 3,300 2,670 3,450

2,320 3,550 4,950 5,000 6,400 4,350 6,000

113,000 193,000 250,000 280,000 340,000 272,000 355,000

237,000 365,000 505,000 510,000 650,000 440,000 615,000

23960 23060B 24060B 23160B 24160B 22260B 23260B

23960K 23060BK 24060BK30 23160BK 24160BK30 22260BK 23260BK

314 318 318 322 322 322 322

406 442 442 478 478 518 518

2.5 3 3 4 4 4 4

1 Smallest allowable dimension for chamfer dimension r. 2 Bearings appended with "K" have a tapered bore ratio of 1:12; bearings appended with "K30" have a tapered bore ratio of 1:30.

B-212

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.32 0.32 0.40 0.28 0.37 0.32

2.09 2.11 1.69 2.43 1.83 2.10

3.12 3.15 2.51 3.62 2.72 3.13

2.05 2.07 1.65 2.38 1.79 2.06

43 65.8 82.2 81.7 108 148

42.3 63.8 80.9 80 105 145

0.31

2.18

3.24

2.13

58.2

56.3

0.18 0.19 0.26 0.34 0.33 0.41 0.28 0.37 0.32

3.76 3.53 2.63 1.96 2.05 1.63 2.45 1.83 2.13

5.60 5.26 3.92 2.91 3.06 2.43 3.64 2.72 3.18

3.67 3.45 2.57 1.91 2.01 1.60 2.39 1.79 2.09

21.6 24 48.5 65.2 91.4 114 106 141 183

21 23.3 46.8 64.1 88.6 112 104 137 179

0.12 0.17 0.25 0.33 0.35 0.32 0.39 0.26 0.36 0.31

5.42 3.88 2.73 2.06 1.92 2.13 1.73 2.57 1.90 2.16

8.07 5.78 4.06 3.07 2.86 3.18 2.58 3.83 2.83 3.22

5.30 3.79 2.67 2.02 1.88 2.09 1.69 2.51 1.86 2.12

11 26.4 52.4 69 88.6 97.7 120 112 150 224

10.6 25.6 50.6 67.9 84.9 94.6 118 110 145 220

0.25

2.69

4.00

2.63

54.1

0.20 0.25 0.34 0.32 0.40 0.26 0.36

3.34 2.66 1.97 2.11 1.69 2.57 1.88

4.98 3.96 2.93 3.15 2.51 3.83 2.79

3.27 2.60 1.92 2.07 1.65 2.51 1.83

40 72.4 98 131 161 141 193

38.7 70.2 96.4 127 159 138 187 B-213

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 300∼380mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers static kgf

Cor

Cylindrical bore

7.5

3,600

5,400

365,000

550,000

22360B

80 90 121 160 176 218 150 208 213

2.1 3 4 4 5 5 5 5 5

870 1,140 1,960 2,510 3,100 3,850 3,100 4,000 3,950

2,210 2,460 3,850 5,200 5,800 7,300 5,050 7,050 6,900

89,000 116,000 200,000 255,000 320,000 390,000 315,000 410,000 405,000

226,000 251,000 395,000 530,000 590,000 745,000 515,000 720,000 705,000

540

186

3,100

6,000

315,000

340

460 520 520 580 580 620 620

90 133 180 190 243 224 229

3 5 5 5 5 6 6

1,220 2,310 3,000 3,600 4,600 4,450 4,450

2,650 4,550 6,200 6,600 8,950 8,000 8,000

360

440 480 480 520 530 540 540 600 600 610 650

60 75 90 133 127 134 180 192 243 255 232

2.1 3 3 5 5 5 5 5 5 5 6

735 1,090 1,320 1,790 2,060 2,370 3,100 3,750 4,600 4,300 4,850

380

520 560 560 620 620

106 135 180 194 243

4 5 5 5 5

1,560 2,510 3,250 3,900 4,800

300

620

185

320

400 440 480 480 540 540 580 580 580

330

rs min

tapered2 bore

Abutment and fillet dimensions mm da

ras

min

max

22360BK

336

584

24864 23964 23064B 24064B 23164B 24164B 22264B 23264B 2P6404

24864K30 23964K 23064BK 24064BK30 23164BK 24164BK30 22264BK 23264BK 2P6404K

332 334 338 338 342 342 342 342 342

388 426 462 462 518 518 558 558 558

2 2.5 3 3 4 4 4 4 4

615,000

2P6601

2P6601K

352

518

124,000 235,000 305,000 365,000 470,000 455,000 455,000

270,000 465,000 630,000 670,000 910,000 815,000 815,000

23968 23068B 24068B 23168B 24168B 23268B 2P6802

23968K 23068BK 24068BK30 23168BK 24168BK30 23268BK 2P6802K

354 362 362 362 362 368 368

446 498 498 558 558 592 592

2.5 4 4 4 4 5 5

1,830 2,350 2,930 3,900 4,100 4,700 6,600 7,050 9,150 8,300 8,700

74,500 111,000 135,000 182,000 210,000 242,000 320,000 385,000 470,000 440,000 495,000

187,000 239,000 298,000 395,000 415,000 480,000 675,000 715,000 935,000 845,000 885,000

23872 2P7202 23972 2P7201 2P7205 23072B 24072B 23172B 24172B 2P7206 23272B

23872K 2P7202K 23972K 2P7201K 2P7205K 23072BK 24072BK30 23172BK 24172BK30 2P7206K 23272BK

372 374 374 382 382 382 382 382 382 382 388

428 466 466 498 508 518 518 578 578 588 622

2 2.5 2.5 4 4 4 4 4 4 4 5

3,550 5,150 7,100 7,500 9,650

159,000 256,000 330,000 400,000 490,000

360,000 525,000 725,000 765,000 985,000

23976 23076B 24076B 23176B 24176B

23976K 23076BK 24076BK30 23176BK 24176BK30

398 402 402 402 402

502 538 538 598 598

3 4 4 4 4

1 Smallest allowable dimension for chamfer dimension r. 2 Bearings appended with "K" have a tapered bore ratio of 1:12; bearings appended with "K30" have a tapered bore ratio of 1:30.

B-214

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.32

2.13

3.17

2.08

270

265

0.17 0.19 0.25 0.33 0.33 0.40 0.26 0.36 0.36

3.90 3.50 2.73 2.06 2.06 1.67 2.57 1.86 1.86

5.81 5.21 4.06 3.07 3.07 2.48 3.83 2.77 2.77

3.82 3.42 2.67 2.02 2.02 1.63 2.51 1.82 1.82

22.8 43 78.2 103 167 207 172 243 241

22.4 41.7 75.5 101 162 204 168 236 233

0.34

1.99

2.96

1.94

166

160

0.17 0.25 0.34 0.33 0.42 0.37 0.37

3.91 2.68 1.98 2.05 1.61 1.84 1.84

5.83 3.99 2.95 3.06 2.39 2.75 2.75

3.83 2.62 1.94 2.01 1.57 1.80 1.80

44.7 104 140 210 269 300 298

43.3 100 138 204 265 291 288

0.12 0.14 0.17 0.25 0.23 0.24 0.33 0.32 0.40 0.41 0.36

5.78 4.94 3.99 2.69 2.92 2.78 2.06 2.11 1.67 1.64 1.87

8.61 7.36 5.93 4.01 4.35 4.14 3.07 3.15 2.48 2.44 2.78

5.66 4.83 3.90 2.63 2.86 2.72 2.02 2.07 1.63 1.60 1.83

19.2 37.1 47.2 92.8 95.3 110 147 222 281 290 339

18.6 36.1 45.7 89.5 92.3 106 145 215 277 277 329

0.19 0.24 0.30 0.31 0.39

3.54 2.87 2.23 2.16 1.73

5.27 4.27 3.32 3.22 2.58

3.46 2.80 2.18 2.12 1.69

69.9 115 153 235 292

67.7 111 150 228 287 B-215

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 380∼460mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers static kgf

Cor

Cylindrical bore

6 6

5,200 5,200

9,650 9,650

530,000 536,000

985,000 985,000

23276B 2P7603

1,310

3,050

133,000

310,000

100 106 148 200 200 250 256 260

2.1 4 5 5 6 6 6 6

1,330 1,580 2,980 3,850 4,200 5,100 5,850 5,850

3,500 3,650 6,050 8,400 8,050 10,300 10,600 10,600

135,000 161,000 305,000 390,000 425,000 520,000 595,000 595,000

420

520 560 620 620 700 700 760

75 106 150 200 224 280 272

2.1 4 5 5 6 6 7.5

1,090 1,630 3,100 3,850 5,200 6,150 6,550

2,710 3,850 6,400 8,450 9,950 12,200 12,000

440

600 650 650 720 720 790 790

118 157 212 226 280 280 285

4 6 6 6 6 7.5 7.5

2,030 3,300 4,300 5,200 6,450 6,900 6,900

450

620

190

460

580 620 620 680 680 760 760

118 118 140 163 218 240 300

3 4 4 6 6 7.5 7.5

rs min

380

680 680

240 245

390

510

400

500 540 600 600 650 650 720 720

tapered2 bore

Abutment and fillet dimensions mm da

ras

min

max

23276BK 2P7603K

408 408

652 652

5 5

2P7801

2P7801K

404

496

2.5

360,000 370,000 615,000 855,000 820,000 1,060,000 1,080,000 1,080,000

24880 23980 23080B 24080B 23180B 24180B 23280B 2P8002

24880K30 23980K 23080BK 24080BK30 23180BK 24180BK30 23280BK 2P8002K

412 418 422 422 428 428 428 428

488 522 578 578 622 622 692 692

2 3 4 4 5 5 5 5

111,000 166,000 315,000 395,000 530,000 625,000 665,000

277,000 390,000 650,000 865,000 1,020,000 1,240,000 1,230,000

23884 23984 23084B 24084B 23184B 24184B 23284B

23884K 23984K 23084BK 24084BK30 23184BK 24184BK30 23284BK

432 438 442 442 448 448 456

508 542 598 598 672 672 724

2 3 4 4 5 5 6

4,700 6,850 9,450 10,100 13,100 12,800 12,800

207,000 335,000 440,000 530,000 660,000 705,000 705,000

480,000 695,000 960,000 1,030,000 1,330,000 1,310,000 1,310,000

23988 23088B 24088B 23188B 24188B 23288B 2P8802

23988K 23088BK 24088BK30 23188BK 24188BK30 23288BK 2P8802K

458 468 468 468 468 476 476

582 622 622 692 692 754 754

3 5 5 5 5 6 6

3,050

7,400

315,000

755,000

2P9002

2P9002K

464

606

2.5

1,840 2,100 2,440 3,600 4,600 5,700 7,100

4,850 4,950 6,000 7,450 10,200 11,400 14,500

187,000 214,000 248,000 365,000 470,000 585,000 725,000

495,000 505,000 610,000 760,000 1,040,000 1,160,000 1,480,000

24892 23992 2P9203 23092B 24092B 23192B 24192B

24892K30 23992K 2P9203K 23092BK 24092BK30 23192BK 24192BK30

474 478 478 488 488 496 496

566 602 602 652 652 724 724

2.5 3 3 5 5 6 6

1 Smallest allowable dimension for chamfer dimension r. 2 Bearings appended with "K" have a tapered bore ratio of 1:12; bearings appended with "K30" have a tapered bore ratio of 1:30.

B-216

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.36 0.36

1.89 1.89

2.82 2.82

1.85 1.85

0.15

4.41

6.57

4.31

47.3

45.7

0.18 0.18 0.24 0.32 0.31 0.38 0.37 0.37

3.76 3.71 2.80 2.09 2.21 1.77 1.81 1.81

5.59 5.53 4.16 3.11 3.28 2.63 2.69 2.69

3.67 3.63 2.73 2.04 2.16 1.73 1.77 1.77

45.3 73 149 202 264 329 457 457

44.5 70.7 144 200 256 324 443 443

0.12 0.17 0.24 0.32 0.32 0.40 0.36

5.42 3.95 2.85 2.13 2.11 1.69 1.86

8.08 5.88 4.24 3.18 3.15 2.51 2.77

5.30 3.86 2.78 2.09 2.07 1.65 1.82

34.8 76.2 157 210 354 440 544

33.6 73.8 152 207 343 433 528

0.18 0.24 0.32 0.31 0.39 0.36 0.36

3.66 2.85 2.11 2.15 1.75 1.88 1.88

5.46 4.24 3.15 3.21 2.61 2.80 2.80

3.58 2.78 2.07 2.11 1.71 1.84 1.84

101 181 245 370 456 600 595

98 175 241 358 449 582 576

0.27

2.49

3.71

2.43

166

157

0.18 0.17 0.21 0.23 0.31 0.31 0.39

3.76 3.95 3.22 2.88 2.15 2.14 1.71

5.59 5.88 4.80 4.29 3.21 3.19 2.55

3.67 3.86 3.15 2.82 2.11 2.10 1.67

73.6 107 122 206 276 443 550

72.3 104 118 200 272 429 541

380 382

369 370

B-217

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 460∼600mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

kN 1

Bearing numbers static kgf

Cor

Cylindrical bore

tapered2 bore

Abutment and fillet dimensions mm da

ras

min

max

rs min

460

830

296

7.5

7,750

14,500

790,000

1,470,000

23292B

23292BK

496

794

480

650 660 700 700 790 790 870

128 200 165 218 248 308 310

5 3 6 6 7.5 7.5 7.5

2,330 3,550 3,650 4,650 6,200 7,450 8,300

5,500 8,350 7,700 10,500 12,300 15,300 15,500

238,000 360,000 370,000 475,000 635,000 760,000 845,000

565,000 850,000 785,000 1,070,000 1,260,000 1,560,000 1,580,000

23996 2P9602 23096B 24096B 23196B 24196B 23296B

23996K 2P9602K 23096BK 24096BK30 23196BK 24196BK30 23296BK

502 494 508 508 516 516 516

628 646 672 672 754 754 834

4 2.5 5 5 6 6 6

490

650

130

2,270

5,450

232,000

555,000

2P9801

2P9801K

512

628

500

620 670 720 720 830 830 920

90 128 167 218 264 325 336

3 5 6 6 7.5 7.5 7.5

1,550 2,370 3,850 4,750 6,950 8,050 9,400

3,950 5,600 8,300 10,900 13,700 16,700 17,800

158,000 242,000 390,000 485,000 705,000 825,000 960,000

405,000 570,000 845,000 1,110,000 1,400,000 1,700,000 1,820,000

238/500 239/500 230/500B 240/500B 231/500B 241/500B 232/500B

238/500K 239/500K 230/500BK 240/500BK30 231/500BK 241/500BK30 232/500BK

514 522 528 528 536 536 536

606 648 692 692 794 794 884

2.5 4 5 5 6 6 6

530

710 780 780 870 870 980

136 185 250 272 335 355

5 6 6 7.5 7.5 9.5

2,640 4,400 5,600 7,000 8,300 10,400

6,450 9,350 12,700 14,200 17,400 19,800

269,000 445,000 570,000 715,000 850,000 1,060,000

655,000 955,000 1,290,000 1,450,000 1,770,000 2,020,000

239/530 230/530B 240/530B 231/530B 241/530B 232/530B

239/530K 230/530BK 240/530BK30 231/530BK 241/530BK30 232/530BK

552 558 558 566 566 574

688 752 752 834 834 936

4 5 5 6 6 8

545

755

230

4,550

10,800

460,000

1,100,000

2P10901

2P10901K

563

737

560

680 750 820 820 920 920 1,030

90 140 195 258 280 355 365

3 5 6 6 7.5 7.5 9.5

1,650 2,830 4,800 6,100 7,650 9,950 11,100

4,450 6,700 10,500 14,100 15,500 20,800 21,100

168,000 288,000 490,000 620,000 780,000 1,010,000 1,130,000

455,000 680,000 1,070,000 1,440,000 1,580,000 2,120,000 2,150,000

238/560 239/560 230/560B 240/560B 231/560B 241/560B 232/560B

238/560K 239/560K 230/560BK 240/560BK30 231/560BK 241/560BK30 232/560BK

574 582 588 588 596 596 604

666 728 792 792 884 884 986

2.5 4 5 5 6 6 8

600

800 870

150 200

5 6

3,150 5,250

7,800 12,000

325,000 535,000

795,000 1,220,000

239/600 230/600B

239/600K 230/600BK

622 628

778 842

4 5

1 Smallest allowable dimension for chamfer dimension r. 2 Bearings appended with "K" have a tapered bore ratio of 1:12; bearings appended with "K30" have a tapered bore ratio of 1:30.

B-218

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.36

1.87

2.78

1.83

704

683

0.18 0.27 0.23 0.30 0.31 0.39 0.36

3.85 2.52 2.94 2.22 2.15 1.74 1.87

5.73 3.75 4.38 3.30 3.21 2.59 2.78

3.76 2.46 2.88 2.17 2.11 1.70 1.83

123 195 217 285 492 608 814

119 185 209 280 477 600 790

0.16

4.10

6.10

4.01

114

109

0.13 0.17 0.23 0.30 0.32 0.39 0.39

5.38 4.02 2.98 2.28 2.12 1.72 1.74

8.02 5.98 4.44 3.40 3.16 2.57 2.59

5.26 3.93 2.91 2.23 2.08 1.69 1.70

59.6 131 226 295 584 716 1,000

0.17 0.22 0.30 0.30 0.38 0.39

3.94 3.03 2.24 2.22 1.79 1.74

5.87 4.52 3.33 3.30 2.67 2.59

3.86 2.97 2.19 2.17 1.75 1.70

157 306 413 653 800 1,200

152 295 406 633 788 1,170

0.28

2.45

3.65

2.40

301

286

0.11 0.16 0.22 0.30 0.30 0.39 0.36

5.97 4.09 3.03 2.29 2.27 1.75 1.88

8.88 6.09 4.51 3.40 3.38 2.61 2.80

5.83 4.00 2.96 2.24 2.22 1.71 1.84

66.1 182 353 467 752 948 1,360

63.7 176 340 459 729 934 1,320

0.18 0.21

3.85 3.17

5.73 4.72

3.76 3.10

218 400

211 386

57.5 127 218 290 566 705 971

B-219

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 600∼780mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

rs min

600

870 980 980 1,090

272 300 375 388

630

780 850 920 920 1,030 1,030 1,150

Bearing numbers static kgf

Cor

Cylindrical bore

tapered2 bore

Abutment and fillet dimensions mm da

ras

min

max

Cor

6 7.5 7.5 9.5

6,450 9,000 10,700 12,200

15,600 18,400 23,200 23,700

655,000 920,000 1,090,000 1,240,000

1,590,000 1,880,000 2,360,000 2,420,000

240/600B 231/600B 241/600B 232/600B

240/600BK30 231/600BK 241/600BK30 232/600BK

628 842 636 944 636 944 644 1,046

150 165 212 290 315 400 412

4 6 7.5 7.5 7.5 7.5 12

3,050 3,700 5,900 7,550 9,600 11,600 13,700

8,800 9,250 13,000 17,900 19,900 25,000 26,800

310,000 375,000 600,000 770,000 975,000 1,180,000 1,400,000

895,000 945,000 1,330,000 1,830,000 2,030,000 2,550,000 2,740,000

248/630 239/630 230/630B 240/630B 231/630B 241/630B 232/630B

248/630K30 239/630K 230/630BK 240/630BK30 231/630BK 241/630BK30 232/630BK

648 762 3 658 822 5 666 884 6 666 884 6 666 994 6 666 994 6 684 1,096 10

670

900 980 980 1,090 1,090 1,220

170 230 308 336 412 438

6 7.5 7.5 7.5 7.5 12

4,100 6,550 8,650 11,000 12,700 16,100

10,300 14,600 20,600 22,800 28,000 32,000

420,000 665,000 885,000 1,120,000 1,300,000 1,640,000

1,050,000 1,490,000 2,100,000 2,330,000 2,850,000 3,250,000

239/670 230/670B 240/670B 231/670B 241/670B 232/670B

239/670K 230/670BK 240/670BK30 231/670BK 241/670BK30 232/670BK

698 872 5 706 944 6 706 944 6 706 1,054 6 706 1,054 6 724 1,166 10

680

980

220

7.5

6,050

14,000

615,000

1,430,000

2P13601

2P13601K

716

710

950 1,030 1,030 1,150 1,150 1,280

180 236 315 345 438 450

6 7.5 7.5 9.5 9.5 12

4,450 7,200 9,300 11,600 14,500 16,300

11,500 16,200 22,500 24,900 32,000 32,500

450,000 730,000 945,000 1,190,000 1,470,000 1,660,000

1,170,000 1,650,000 2,300,000 2,540,000 3,250,000 3,300,000

239/710 230/710B 240/710B 231/710B 241/710B 232/710B

239/710K 230/710BK 240/710BK30 231/710BK 241/710BK30 232/710BK

738 922 5 746 994 6 746 994 6 754 1,106 8 754 1,106 8 764 1,226 10

750

920 1,000 1,090 1,090 1,220 1,360

128 185 250 335 365 475

5 6 7.5 7.5 9.5 15

3,100 5,000 8,150 10,100 12,800 18,200

8,450 13,000 18,300 24,600 27,200 36,500

320,000 510,000 835,000 1,030,000 1,310,000 1,860,000

865,000 1,330,000 1,860,000 2,500,000 2,780,000 3,750,000

238/750 239/750 230/750B 240/750B 231/750B 232/750B

238/750K 239/750K 230/750BK 240/750BK30 231/750BK 232/750BK

772 778 786 786 794 814

760

1,140

325

7.5

10,200

23,800

1,040,000

2,430,000 ☆2P15203

2P15203K

796 1,104

780

1,220

375

9.5

12,800

28,700

1,300,000

2,920,000

2P15605K

824 1,176

2P15605

944

5 6 6 8

898 4 972 5 1,054 6 1,054 6 1,176 8 1,296 12

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.29 0.30 0.37 0.36

2.33 2.22 1.81 1.86

3.47 3.30 2.70 2.77

2.28 2.17 1.77 1.82

544 908 1,130 1,540

535 880 1,110 1,490

0.17 0.18 0.22 0.30 0.30 0.38 0.36

4.07 3.66 3.14 2.28 2.27 1.78 1.87

6.06 5.45 4.67 3.40 3.38 2.66 2.78

3.98 3.58 3.07 2.23 2.22 1.74 1.83

158 277 481 657 1,050 1,330 1,900

155 268 464 646 1,020 1,310 1,840

0.18 0.22 0.29 0.30 0.37 0.36

3.76 3.07 2.29 2.22 1.83 1.89

5.59 4.57 3.41 3.30 2.73 2.81

3.67 3.00 2.24 2.17 1.79 1.85

317 594 794 1,250 1,530 2,270

307 573 781 1,210 1,510 2,200

0.21

3.17

4.72

3.10

550

533

0.18 0.22 0.29 0.29 0.37 0.35

3.85 3.02 2.36 2.32 1.80 1.91

5.73 4.50 3.51 3.45 2.69 2.84

3.76 2.96 2.31 2.27 1.76 1.87

375 663 884 1,420 1,800 2,540

363 640 870 1,380 1,770 2,470

0.12 0.17 0.21 0.29 0.29 0.35

5.72 3.90 3.20 2.35 2.32 1.92

8.51 5.81 4.76 3.49 3.45 2.86

5.59 3.81 3.13 2.29 2.27 1.88

179 412 790 1,060 1,700 3,050

173 399 763 1,040 1,650 2,960

0.24

2.79

4.15

2.73

1,100

1,060

0.30

2.25

3.34

2.20

1,610

1,560 B-221

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 790∼1,060mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

rs min

Bearing numbers static kgf

Cor

Cylindrical bore

tapered2 bore

Abutment and fillet dimensions mm da

ras

min

max

790

1,100

310

7.5

8,650

21,000

880,000

2,150,000

2P15802

2P15802K

826 1,064

800

1,060 1,150 1,150 1,280

195 258 345 375

6 7.5 7.5 9.5

5,400 8,400 11,200 14,400

13,700 19,500 27,800 31,000

550,000 860,000 1,140,000 1,460,000

1,400,000 1,990,000 2,840,000 3,150,000

239/800 230/800B 240/800B 231/800B

239/800K 230/800BK 240/800BK30 231/800BK

828 836 836 844

1,032 1,114 1,114 1,236

5 6 6 8

850

1,030 1,120 1,220 1,220 1,220 1,220 1,220 1,360 1,500

136 200 272 290 290 330 365 400 515

5 6 7.5 7.5 7.5 7.5 7.5 12 15

3,600 5,850 9,750 9,150 10,500 11,000 12,500 15,500 22,300

10,500 15,100 22,700 22,000 24,000 26,900 31,500 34,000 47,500

365,000 595,000 995,000 935,000 1,070,000 1,120,000 1,270,000 1,580,000 2,270,000

1,070,000 238/850 1,540,000 239/850 2,310,000 230/850B 2,240,000 2P17001 2,450,000 ☆2P17011 2,740,000 ☆2P17012 3,200,000 240/850B 3,500,000 231/850B 4,850,000 232/850B

238/850K 239/850K 230/850BK 2P17001K 2P17011K 2P17012K 240/850BK30 231/850BK 232/850BK

872 878 886 886 886 886 886 904 914

1,008 4 1,092 5 1,184 6 1,184 6 1,184 6 1,184 6 1,184 6 1,306 10 1,436 12

900

1,180 1,280 1,280 1,420

206 280 375 412

6 7.5 7.5 12

6,650 10,300 13,200 16,800

17,300 24,700 33,500 38,000

675,000 1,050,000 1,350,000 1,720,000

1,770,000 2,520,000 3,450,000 3,850,000

239/900 230/900B 240/900B 231/900B

239/900K 230/900BK 240/900BK30 231/900BK

928 936 936 954

1,152 5 1,244 6 1,244 6 1,366 10

950

1,250 1,280 1,330 1,360 1,360 1,360 1,400

224 260 300 300 320 412 380

7.5 7.5 7.5 7.5 7.5 7.5 7.5

7,750 8,650 8,400 11,500 11,500 15,500 14,100

20,500 22,200 21,200 28,400 28,000 40,000 33,500

790,000 885,000 855,000 1,180,000 1,170,000 1,580,000 1,440,000

2,090,000 239/950 2,270,000 2P19014 2,170,000 2P19013 2,900,000 230/950B 2,860,000 ☆2P19022 4,100,000 240/950B 3,400,000 2P19019

239/950K 2P19014K 2P19013K 230/950BK 2P19022K 240/950BK30 2P19019K

986 986 986 986 986 986 986

1,214 1,244 1,294 1,324 1,324 1,324 1,364

6 6 6 6 6 6 6

1,000

1,320 1,320 1,420 1,420

236 258 308 412

7.5 7.5 7.5 7.5

8,600 8,500 12,400 16,000

22,700 22,600 30,000 42,000

875,000 865,000 1,260,000 1,640,000

2,310,000 2,300,000 3,050,000 4,250,000

239/1000K 2P20002K 230/1000BK 240/1000BK30

1,036 1,036 1,036 1,036

1,284 1,284 1,384 1,384

6 6 6 6

1,050

1,500

412

9.5

15,800

42,500

1,600,000

4,350,000 ☆2P21001

2P21001K

1,094 1,456

1,060

1,400 1,500

250 325

7.5 9.5

9,300 13,600

24,700 33,500

950,000 1,390,000

2,520,000 3,400,000

239/1060 239/1060K 1,096 1,364 230/1060B 230/1060BK 1,104 1,456

6 8

239/1000 2P20002 230/1000B 240/1000B

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.24

2.76

4.11

2.70

857

817

0.17 0.21 0.28 0.29

4.05 3.15 2.41 2.32

6.04 4.69 3.59 3.45

3.96 3.08 2.36 2.27

487 890 1,190 1,890

471 859 1,170 1,830

0.11 0.16 0.20 0.23 0.21 0.23 0.28 0.28 0.35

6.01 4.25 3.32 2.98 3.28 2.90 2.42 2.37 1.94

8.94 6.32 4.95 4.44 4.88 4.31 3.61 3.54 2.89

5.87 4.15 3.25 2.92 3.21 2.83 2.37 2.32 1.90

232 550 1,050 1,100 1,060 1,200 1,410 2,270 3,890

223 532 1,010 1,070 1,020 1,160 1,390 2,200 3,780

0.16 0.20 0.27 0.28

4.32 3.32 2.48 2.42

6.44 4.95 3.70 3.60

4.23 3.25 2.43 2.36

623 1,170 1,570 2,500

603 1,130 1,540 2,420

0.16 0.17 0.18 0.21 0.20 0.28 0.24

4.20 3.98 3.66 3.26 3.33 2.39 2.77

6.26 5.92 5.46 4.85 4.96 3.56 4.13

4.11 3.89 3.58 3.18 3.25 2.34 2.71

774 921 1,210 1,430 1,450 1,970 1,940

749 888 1,170 1,380 1,400 1,940 1,870

0.16 0.16 0.20 0.27

4.21 4.23 3.37 2.51

6.26 6.30 5.02 3.73

4.11 4.14 3.29 2.45

916 911 1,580 2,110

887 877 1,520 2,080

0.24

2.85

4.25

2.79

2,290

2,200

0.16 0.20

4.28 3.36

6.37 5.00

4.19 3.28

1,090 1,850

1,060 1,790 B-223

●Spherical Roller Bearings

B r r

φD

φd

Cylindrical bore

Tapered bore taper 1:12

d 1,060∼1,800mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

rs min

Bearing numbers static kgf

Cor

Cylindrical bore

tapered2 bore

Abutment and fillet dimensions mm da

ras

min

max

1,060

1,500 1,500

340 438

9.5 9.5

13,100 17,800

32,000 47,000

1,340,000 1,810,000

3,250,000 4,800,000

2P21202 2P21202K 1,104 1,456 240/1060B 240/1060BK30 1,104 1,456

8 8

1,120

1,360 1,460 1,580 1,580

180 250 345 462

6 7.5 9.5 9.5

6,200 9,850 15,600 19,500

18,700 26,700 39,000 52,500

630,000 1,000,000 1,590,000 1,990,000

1,900,000 2,720,000 4,000,000 5,350,000

238/1120 239/1120 230/1120B 240/1120B

238/1120K 239/1120K 230/1120BK 240/1120BK30

1,148 1,156 1,164 1,164

1,332 1,424 1,536 1,536

5 6 8 8

1,180

1,420 1,540 1,540 1,660

180 272 355 475

6 7.5 7.5 9.5

6,350 11,000 13,700 20,700

19,700 29,800 40,500 55,500

650,000 1,120,000 1,390,000 2,110,000

2,010,000 3,050,000 4,150,000 5,650,000

238/1180 239/1180 249/1180 240/1180B

238/1180K 239/1180K 249/1180K30 240/1180BK30

1,208 1,216 1,216 1,224

1,392 1,504 1,504 1,616

5 6 6 8

1,200

1,700 1,700

410 410

9.5 12

17,600 17,800

44,500 45,000

1,800,000 1,810,000

4,550,000 2P24005 4,600,000 ☆2P24007

2P24005K 2P24007K

1,244 1,656 8 1,254 1,646 10

1,250

1,630 1,750

280 390

7.5 9.5

12,100 17,200

33,500 44,000

1,230,000 1,760,000

3,400,000 4,500,000

239/1250 2P25002

239/1250K 2P25002K

1,286 1,594 1,294 1,706

1,320

1,720 1,850 1,850

300 480 530

7.5 12 12

13,600 22,200 25,200

38,000 58,500 67,500

1,390,000 2,270,000 2,570,000

3,900,000 5,950,000 6,900,000

239/1320 239/1320K 1,356 1,684 6 2P26402 2P26402K 1,374 1,796 10 240/1320B 240/1320BK30 1,374 1,796 10

1,400

1,820

315

9.5

15,100

43,000

1,540,000

4,400,000

239/1400

239/1400K

1,444 1,776

1,500

1,820

315

7.5

12,300

41,500

1,260,000

4,200,000

248/1500

248/1500K30

1,536 1,784

1,800

2,180

375

9.5

17,500

60,500

1,790,000

6,200,000

248/1800

248/1800K30

1,844 2,136

6 8

●Spherical Roller Bearings

ra Equivalent bearing load dynamic Pr＝XFr＋YFa Fa Fa ≦e Fr Fr ＞e X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋Yo Fa For values of e, Y1, Y2 and Yo see the table below.

ra φDa

Constant

φda

Axial load factors

Mass (approx.) kg Cylindrical tapered bore bore

0.21 0.27

3.25 2.49

4.83 3.71

3.17 2.44

1,870 2,450

1,810 2,140

0.11 0.15 0.21 0.27

5.97 4.42 3.29 2.50

8.89 6.58 4.80 3.72

5.84 4.32 3.21 2.44

536 1,140 2,160 2,890

517 1,100 2,090 2,840

0.11 0.15 0.21 0.27

6.27 4.40 3.28 2.54

9.34 6.55 4.88 3.78

6.13 4.30 3.21 2.48

559 1,390 1,740 3,220

539 1,340 1,660 3,170

0.21 0.21

3.19 3.21

4.75 4.77

3.12 3.14

2,860 2,830

2,750 2,730

0.15 0.20

4.42 3.31

6.58 4.93

4.32 3.24

1,600 2,880

1,550 2,780

0.16 0.22 0.25

4.34 3.12 2.65

6.46 4.64 3.94

4.24 3.05 2.59

1,900 3,830 4,320

1,840 3,670 4,240

0.15

4.39

6.54

4.29

2,230

2,160

0.15

4.54

6.75

4.43

1,660

1,580

0.15

4.47

6.65

4.37

2,830

2,770

B-225

Thrust bearings

●Thrust Bearings 1. Classification and Features 1. 1 Thrust ball bearings

1. 2 Cylindrical roller thrust bearings

Balls are arranged between a set of washers (a shaft washer and housing washer) and the contact angle is 90°. Axial loads can be supported in only one direction and radial loads cannot be supported. These bearings are unsuitable for high speed operation. Table 1 shows the standard cage models.

These bearings use cylindrical rollers and have single row, double row, 3 row, 4 row, and also duplex types. Bearings can support only axial loads and are suitable to heavy loads. Their axial rigidity is high. Cages are the machined type.

Table 1 Standard cage model Bearing series

511

512

513

Press cage

51120 ∼51152

51220 ∼51224

51320

Machined cage

51156 ∼511/750

51226 ∼51292

51322 ∼51340

514

− Model 811 Model 812 Model RT

51420

Model 893 Model 2RT

Fig.1 Single type thrust ball bearing (Example of the press cage)

Model 874

Model 3RT

Fig.2 Cylindrical roller thrust bearing

B-227

●Thrust Bearings

1. 3 Tapered roller thrust bearings

1. 4 Self-aligning thrust roller bearings

These are thrust bearings using tapered rollers, and the single type bearings have three types of housing washers. One type is the housing raceway with a rib, the other one is without a rib, and the third bearing is the full complement roller type. Double type bearings are mainly used to support axial loads on the roll neck of rolling mill. Machined cages are used for cages.

These bearings have a self-aligning nature using barrelshaped rollers. The allowable aligning angle varies depending on the bearing's dimension system, but it is 1° 2°for normal loads. Cages are machined type and the guide sleeve is on the axial housing raceway. Since the load capacity for axial loads is high, these bearings can support a certain amount of radial load in the instances that axial loads are applied. However, it is necessary to use these bearing where the load conditions meet Fr/Fa ≦ 0.55. These bearings have some spots where lubricant cannot enter such as the gap between the cage and guide sleeve. It is necessary to use oil lubrication even in low speed operation.

Drawing 1

Drawing 2 Fig.5 Self-aligning thrust roller bearing

2. Dimensional Accuracy / Rotation Accuracy Drawing 3

Thrust ball bearings ⋯⋯⋯⋯⋯⋯Table 3.6 (Page A-18) Cylindrical roller thrust bearings ⋯⋯Table 3.6 (Page A-18) Tapered roller thrust bearings ⋯⋯Table 3.8 (Page A-19) Self-aligning thrust roller bearings ⋯⋯Table 3.8 (Page A-19)

Fig.3 Tapered roller thrust bearings (Single type)

3. Recommended Fitting Thrust ball bearings Cylindrical roller thrust bearings Tapered roller thrust bearings Self-aligning thrust roller bearings

｝

Table 4.3 (Page A-26)

4. General Operating Cautions Thrust bearings need to load a certain amount of axial load to prevent sliping between the rolling elements and axial housing raceway. Please consult with NTN Engineering for details.

Fig.4 Tapered roller thrust bearings (Double type)

B-228

â&#x2014;?Thrust Bearings

B-229

●Thrust Bearings

φda

φd1 φd

Equivalent bearing load dynamic Pa＝Fa

T ra

r φD1 φD

static Poa＝Fa

φDa

d 100∼190mm Boundary dimensions dynamic mm

Basic load ratings static dynamic static kN kgf

Bearing numbers

Dimensions mm

Mass

min

max

(approx.)

0.987 2.29 4.88 14.7

rs min1

100

135 150 170 210

25 38 55 85

1 1.1 1.5 3

85.0 147 237 370

268 410 595 970

8,700 14,900 24,100 37,500

27,300 42,000 60,500 99,000

51120 51220 51320 ＊51420

135 150 170 205

102 103 103 103

121 130 142 165

114 120 128 145

1 1 1.5 2.5

110

145 160 190

25 38 63

1 1.1 2

87.0 153 267

288 450 705

8,900 15,600 27,300

29,400 46,000 72,000

51122 51222 ＊51322

145 160 187

112 113 113

131 140 158

124 130 142

1 1 2

1.07 2.46 7.67

120

155 170 210

25 39 70

1 1.1 2.1

89.0 154 296

310 470 805

9,100 15,700 30,000

31,500 48,000 82,500

51124 51224 ＊51324

155 170 205

122 123 123

141 150 173

134 140 157

1 1 2

1.11 2.71 10.8

130

170 190 225

30 45 75

1 1.5 2.1

104 191 330

350 565 960

10,600 19,400 33,500

36,000 57,500 97,500

51126 ＊51226 ＊51326

170 187 220

132 133 134

154 166 186

146 154 169

1 1.5 2

1.73 4.22 12.7

140

180 200 240

31 46 80

1 1.5 2.1

107 193 350

375 595 1,050

10,900 19,700 35,500

38,500 60,500 107,000

＊51128 ＊51228 ＊51328

178 197 235

142 143 144

164 176 199

156 164 181

1 1.5 2

1.90 4.77 15.3

150

190 215 250

31 50 80

1 1.5 2.1

109 220 360

400 685 1,130

11,100 22,400 37,000

41,000 70,000 115,000

＊51130 ＊51230 ＊51330

188 212 245

152 153 154

174 189 209

166 176 191

1 1.5 2

2.00 5.87 16.1

160

200 225 270

31 51 87

1 1.5 3

112 223 450

425 720 1,470

11,400 22,800 45,500

43,500 73,000 150,000

＊51132 ＊51232 ＊51332

198 222 265

162 163 164

184 199 225

176 186 205

1 1.5 2.5

2.10 6.32 20.7

170

215 240 280

34 55 87

1.1 1.5 3

134 261 465

510 835 1,570

13,700 26,600 47,000

52,000 85,000 160,000

＊51134 ＊51234 ＊51334

213 237 275

172 173 174

197 212 235

188 198 215

1 1.5 2.5

2.77 7.81 21.6

180

225 250 300

34 56 95

1.1 1.5 3

135 266 490

525 875 1,700

13,700 27,100 50,000

54,000 89,000 174,000

＊51136 ＊51236 ＊51336

222 247 295

183 183 184

207 222 251

198 208 229

1 1.5 2.5

2.92 8.34 27.5

190

240 270

37 62

1.1 2

170 310

655 1,060

17,400 31,500

67,000 108,000

＊51138 ＊51238

237 267

193 194

220 238

210 222

1 2

3.75 11.3

Coa

d1s max2 D1s min3

Abutment and fillet dimensions mm Da ras da

Coa

1 Smallest allowable dimension for chamfer dimension r. 2 Maximum allowable dimension for shaft washer outer dimension d1. 3 Maximum allowable dimension for housing washer inner dimension D1. Remarks: Bearing numbers marked "＊" signify bearings where the bearing shaft washer outer diameter is smaller than the housing shaft washer outer diameter. Therefore when using these bearings, it is possible to use the housing bore as is, without providing a ground undercut on the outer diameter section of the bearing shaft washer as shown in the drawing. B-230

●Thrust Bearings

φda

φd1 φd

Equivalent bearing load dynamic Pa＝Fa

T ra

r φD1 φD

static Poa＝Fa

φDa

d 190∼420mm Boundary dimensions dynamic mm d

190

320

105

200

250 280 340

220

rs min1

Basic load ratings static dynamic static kN kgf

Bearing numbers

Dimensions mm d1s max2 D1s min3

Abutment and fillet dimensions mm Da ras da

Mass

min

max

(approx.)

Coa

545

1,950

55,500

199,000

＊51338

315

195

266

244

35.0

37 62 110

1.1 2 4

172 315 595

675 1,110 2,220

17,500 32,000 61,000

69,000 113,000 227,000

＊51140 ＊51240 ＊51340

247 277 335

203 204 205

230 248 282

220 232 258

1 2 3

3.92 11.8 41.8

270 300

37 63

1.1 2

177 325

740 1,210

18,100 33,000

75,500 123,000

＊51144 ＊51244

267 297

223 224

250 268

240 252

1 2

4.27 13.0

240

300 340

45 78

1.5 2.1

228 415

935 1,650

23,200 42,500

95,000 168,000

＊51148 ＊51248

297 335

243 244

276 299

264 281

1.5 2

6.87 22.4

260

320 360

45 79

1.5 2.1

232 440

990 1,810

23,600 45,000

101,000 184,000

＊51152 ＊51252

317 355

263 264

296 319

284 301

1.5 2

7.38 24.2

280

350 380

53 80

1.5 2.1

305 460

1,270 1,970

31,000 47,000

130,000 201,000

＊51156 ＊51256

347 375

283 284

322 339

308 321

1.5 2

11.8 26.1

300

380 420

62 95

2 3

355 590

1,560 2,680

36,000 60,000

159,000 273,000

＊51160 ＊51260

376 415

304 304

348 371

332 349

2 2.5

17.2 40.6

320

400 440

63 95

2 3

365 595

1,660 2,800

37,000 61,000

169,000 285,000

＊51164 ＊51264

396 435

324 325

368 392

352 368

2 2.5

18.4 44.9

340

420 460

64 96

2 3

375 605

1,760 2,920

38,000 61,500

179,000 298,000

＊51168 ＊51268

416 455

344 345

388 412

372 388

2 2.5

19.7 47.8

360

440 500

65 110

2 4

380 720

1,860 3,650

39,000 73,500

190,000 375,000

＊51172 ＊51272

436 495

364 365

408 444

392 416

2 3

21.1 69.0

380

460 520

65 112

2 4

380 735

1,910 3,800

39,000 74,500

195,000 390,000

＊51176 ＊51276

456 515

384 385

428 464

412 436

2 3

22.3 73.7

400

480 540

65 112

2 4

390 745

2,010 3,950

40,000 76,000

205,000 405,000

＊51180 ＊51280

476 535

404 405

448 484

432 456

2 3

23.3 76.9

420

500 580

65 130

2 5

395 865

2,110 4,850

40,500 88,500

215,000 490,000

＊51184 ＊51284

495 575

424 425

468 516

452 484

2 4

24.4 109

●Thrust Bearings

φda

φd1 φd

Equivalent bearing load dynamic Pa＝Fa

T ra

r φD1 φD

static Poa＝Fa

φDa

d 440∼750mm Boundary dimensions dynamic mm

Basic load ratings static dynamic static kN kgf

Bearing numbers

Dimensions mm

Mass

min

max

(approx.)

rs min1

Coa

80 130

2.1 5

515 855

2,850 4,850

52,500 87,500

291,000 490,000

＊51188 ＊51288

535 595

444 445

499 536

481 504

2 4

40.0 113

560 620

80 130

2.1 5

525 895

3,000 5,250

53,500 91,000

305,000 535,000

＊51192 ＊51292

555 615

464 465

519 556

501 524

2 4

41.6 118

480

580

2.1

525

3,100

54,000

315,000

＊51196

575

484

539

521

43.3

500

600

2.1

575

3,400

58,500

345,000

＊511/500

595

504

559

541

45.0

530

640

645

4,000

66,000

405,000

＊511/530

635

534

595

575

2.5

55.8

560

670

595

3,750

60,500

385,000

＊511/560

665

564

625

605

2.5

59.4

600

710

645

4,200

66,000

430,000

＊511/600

705

604

666

644

2.5

62.6

630

750

720

4,850

73,500

495,000

＊511/630

745

634

702

678

2.5

82.5

670

800

105

825

5,850

84,000

600,000

＊511/670

795

674

748

722

105

710

850

112

875

6,350

89,000

650,000

＊511/710

845

714

794

766

129

750

900

120

1,010

7,650

103,000

780,000

＊511/750

895

755

841

809

155

440

540 600

460

d1s max2 D1s min3

Abutment and fillet dimensions mm Da ras da max

B-233

●Thrust Roller Bearings

φd1 φd

φD φD1

T r

φD1 φD

φd φd1

Type 811 Type 812

Type 893

Type 874

d 100∼180mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

rs min1

100

135 150 170 210

25 38 42 50

1 1.1 1.5 3

158 243 335 580

555 795 1,370 2,650

16,100 24,800 34,500 59,000

57,000 81,000 140,000 271,000

81120L1 81220L1 89320L1 87420L1

110

145 160 190 230

25 38 48 54

1 1.1 2 3

165 259 430 725

605 885 1,770 3,150

16,800 26,400 44,000 74,000

61,500 90,000 180,000 325,000

81122L1 81222L1 89322L1 87422L1

120

155 170 210 250

25 39 54 58

1 1.1 2.1 4

172 264 555 830

655 930 2,300 3,900

17,500 26,900 56,500 84,500

66,500 94,500 235,000 395,000

81124L1 81224L1 89324L1 87424L1

130

170 190 225 270

30 45 58 63

1 1.5 2.1 4

197 360 615 895

755 1,210 2,600 4,250

20,100 36,500 63,000 91,500

77,000 123,000 265,000 435,000

81126L1 81226L1 89326L1 87426L1

140

180 200 240 280

31 46 60 63

1 1.5 2.1 4

206 370 695 940

815 1,280 2,980 4,600

21,000 38,000 71,000 96,000

83,000 130,000 305,000 470,000

81128L1 81228L1 89328L1 87428L1

150

190 215 250

31 50 60

1 1.5 2.1

214 455 710

870 1,580 3,130

21,800 46,000 72,500

89,000 161,000 320,000

81130L1 81230L1 89330L1

160

200 225 270

31 51 67

1 1.5 3

221 518 835

930 1,930 3,690

22,600 53,000 85,500

95,000 197,000 375,000

81132L1 81232L1 89332L1

Coa

1 Smallest allowable dimension for chamfer dimension r.

B-234

Coa

●Thrust Roller Bearings

φda

φDa

Dimensions

Abutment and fillet dimensions mm Da

ras

min

max

(approx.)

135 150 170 210

102 103 103 103

128 139 163 203

106 109 110 112

1 1 1.5 3

145 160 190 230

112 113 113 113

138 149 183 221

116 119 122 118

1 1 2 3

1.330 2.980 6.350 11.850

155 170 210 250

122 123 123 123

148 159 201 241

126 129 132 132

1 1 2 4

1.410 3.280 9.000 15.690

170 187 225 270

132 133 134 134

162 178 216 262

137 140 143 147

1 1.5 2 4

2.020 5.050 10.370 19.750

178 197 240 280

142 143 144 144

172 188 231 273

147 150 154 158

1 1.5 2 4

2.250 5.460 12.600 20.940

188 212 250

152 153 154

182 202 242

157 160 165

1 1.5 2

2.410 6.870 13.320

198 222 270

162 163 164

192 216 262

167 174 177

1 1.5 3

2.500 6.910 17.250

Mass

1.220 2.730 4.500 9.500

B-235

●Thrust Roller Bearings

φd1 φd

T r φD1 φD

d 180∼304.8mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

rs min1

Coa

180

220 300

22 73

1.0 3.0

160 1,090

715 4,900

16,300 111,000

72,500 495,000

RT3615 2RT3618

190

270 330

62 70

2.5 4.0

745 1,260

2,780 5,900

76,000 129,000

284,000 600,000

RT3812 2RT3811

200

340 340 370 400

75 85 85 122

5.0 5.0 4.0 5.0

1,320 1,260 1,760 2,230

6,150 4,950 7,400 8,250

134,000 128,000 179,000 227,000

630,000 505,000 755,000 840,000

2RT4028 2RT4030 2RT4024 2RT4032

203.2

406.4

76.2

6.0

1,530

7,850

156,000

800,000

3RT4101

210

250

1.5

133

635

13,600

64,500

RT4206

25 85 80 88

1.0

220

270 360 400 430

2.0 5.0

217 1,380 1,720 1,880

1,060 5,950 7,750 9,100

22,100 140,000 175,000 191,000

109,000 610,000 790,000 930,000

RT4411 2RT4416 2RT4425 3RT4406

222.25

520.7 520.7

114.3 165

4.0 4.0

5,100 5,100

20,500 20,500

520,000 520,000

2,090,000 2,090,000

2RT4426 2RT4427

240

320 425

45 90

2.0 2.0

670 1,820

3,350 8,850

6,800 186,000

340,000 905,000

2RT4814 2RT4803

254

457.2

95.25

6.0

2,360

12,100

240,000

1,240,000

3RT5107

260

340

1.5

790

3,350

80,500

340,000

RT5211

270

540

105

5.0

3,100

15,800

315,000

1,610,000

3RT5404

280

380 520

55 109

2.5 4.0

645 2,900

2,900 13,200

65,500 296,000

296,000 1,340,000

RT5606 2RT5610

290

350

1.5

345

1,760

35,000

180,000

RT5805

304.8

457.2

95.25

6.0

1,770

8,250

181,000

840,000

2RT6108

outer 4.0 inner 2.0

1 RT: single row, 2RT: double row, 3RT: triple row 2 Smallest allowable dimension for chamfer dimension r.

B-236

●Thrust Roller Bearings

φda

ra φDa

Dimensions

Abutment and fillet dimensions mm Da

ras

min

max

(approx.)

219 300

181 184

213 298

187 188

1 2.5

1.77 23.3

270 329.5

195 190.5

264 327

196 200

2 3

11.9 27.9

340 340 370 396

201 202 200.5 204

335 332 362 388

204 212 210 216

4 4 3 4

31.4 35.0 44.3 80.3

404.038

205.562

389

214

52.1

250

210

243

217

1.5

269 359 399 430

221 221 221 222

262 349 382 418

234 233 244 230

514.7 514.7

228 228

511 511

231 231

3 3

316 425

244 241

313 408

247 254

2 2

10.4 61.6

456

256

453

261

76.0

339.5

260.4

328

270

1.5

13.9

530

277

530

282

125

375 520

285 280

358 501

302 309

2 3

18.0 113

350

290

338

302

1.5

454.8

307.2

450

318

Mass

1 outer 3 inner 2

2 4

2.51 3.16 38.1 48.5 64.6 135 203

6.92 60.0

B-237

●Thrust Roller Bearings

φd1 φd

T r φD1 φD

d 320∼560mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

kN rs min1

static

Bearing numbers

kgf

Coa

1.5 3.0 5.0

274 1,670 4,100

1,510 7,100 20,600

28,000 171,000 415,000

154,000 725,000 2,110,000

RT6405 RT6406 3RT6404

120

5.0

3,800

18,200

390,000

1,860,000

2RT7205

520

112

4.0

1,900

7,850

194,000

800,000

RT7607

400

500 540

63 85

4.0 4.0

1,300 1,970

6,400 10,100

132,000 200,000

650,000 1,030,000

RT8009 RT8005

425

650

110

4.0

3,500

19,200

360,000

1,960,000

2RT8502

440

540

2.5

755

5,300

77,000

540,000

2RT8807

540

705

100

5.0

2,240

11,700

228,000

1,200,000

RT10802

560

660 670 820

50 85 113

3.0 3.0 5.0

1,040 1,850 4,350

7,850 10,200 26,000

106,000 188,000 445,000

800,000 1,040,000 2,650,000

2RT11207 RT11204 2RT11208

320

380 440 600

30 95 115

360

610

380

1 RT: single row, 2RT: double row, 3RT: triple row 2 Smallest allowable dimension for chamfer dimension r.

B-238

Coa

●Thrust Roller Bearings

φda

ra φDa

Dimensions

Abutment and fillet dimensions mm Da

ras

min

max

(approx.)

379 435 600

321 325 321

368 428 584

336 334 336

1.5 2.5 4

6.64 44.0 162

605

365

598

378

157

515

385

500

404

73.8

495 540

405 403

488 526

412 414

3 3

27.9 59.2

650

430

635

443

539

441

532

460

24.2

695

565

682

582

99.5

659 660 810

561 570 570

653 657 790

571 575 590

2.5 2.5 4

Mass

145

32.9 58.1 210

B-239

●Tapered Roller Thrust Bearings (Single Direction Type)

φd1 φd r

r T

r1 φD1 φD Drawing A

Drawing B

d 101.600∼254.000mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

rs min1

r1s min1

101.600

215.900 215.900

46.038 46.038

3.3 1.5

700 805

2,730 2,920

71,000 82,000

279,000 297,000

＊CRT2010 ＊CRT2014

107.950

228.600

69.850

5.6

1,070

3,100

109,000

320,000

＊CRT2223

114.300

250.825

53.975

4.06

995

3,750

102,000

380,000

＊CRT2301

127.000

266.700

58.738

1,130

4,650

115,000

475,000

＊CRT2503

130

225

2.1

640

2,590

65,500

264,000

CRT2615

145

190

216

815

22,000

83,000

CRT2906

152.400

317.500

69.850

6.4

1,520

6,250

155,000

640,000

＊CRT3018

168.275

304.800 304.800

69.850 69.850

6.4 6.4

1,250 1,350

4,950 5,100

127,000 138,000

505,000 520,000

＊CRT3407 ＊CRT3409

170

320

1,620

6,400

166,000

650,000

CRT3410

174.625

358.775

82.550

6.4

1,720

7,050

175,000

720,000

＊CRT3503

177.800

368.300

82.550

2,190

8,900

223,000

910,000

＊CRT3617

203.200

419.100 419.100 419.100

92.075 92.075 120.650

9.7 9.7 9.7

2,400 2,490 2,240

10,200 10,600 9,450

244,000 254,000 229,000

1,040,000 1,090,000 965,000

＊CRT4108 ＊CRT4112 ＊CRT4105

220

370

1,690

7,250

172,000

740,000

CRT4405

227

325

610

2,720

62,000

277,000

CRT4502

228.600

482.600 482.600

104.775 104.775

11.2 11.2

3,450 3,250

15,600 14,300

350,000 330,000

1,590,000 1,460,000

＊CRT4604 ＊CRT4605

234.950

546.100

127.000

5,700

27,900

580,000

2,850,000

＊CRT4707V

254.000

539.750

117.475

11.2

3,850

17,100

395,000

1,740,000

＊CRT5103

100

1 Minimal allowable dimension for chamfer dimension r or r1. Remarks: 1. Bearing numbers marked "＊" designate inch system bearings.

B-240

Coa

â&#x2014;?Tapered Roller Thrust Bearings (Single Direction Type)

Drawing C

Drawing no.

Dimensions

Mass

(approx.)

B A

101.6 102.591

215.9 215.138

9.06 8.23

107.95

228.6

14.0

114.3

250.825

13.9

128.6

265.1

17.7

130.3

225

9.14

147

188

2.30

152.4

317.5

28.5

B A

168.275 168.275

304.8 302.5

24.6 22.2

170.5

320

39.4

174.625

358.775

39.9

177.8

368.3

45.0

A B B

203.2 203.2 203.2

416.7 419.1 419.1

60.9 64.9 79.8

221

369

39.2

227

325

13.3

B A

230.6 230.6

480.6 480.6

101 93.2

234.95

546.1

160

254

539.75

140

B-241

●Tapered Roller Thrust Bearings (Single Direction Type)

φd1 φd r

r T

r1 φD1 φD Drawing A

Drawing B

d 260∼920mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

static

Bearing numbers

kgf

rs min1

r1s min1

2.1

890

3,950

91,000

400,000

CRT5207

11.2

5,100

23,300

520,000

2,380,000

＊CRT5613

1,330

5,150

136,000

525,000

CRT5804

7.5 7.5

4,800 8,600

18,900 31,000

490,000 880,000

1,920,000 3,200,000

CRT6408 CRT6401

Coa

260

360

279.400

603.250

290

395

320

580 710

155 235

340

460

1,640

7,300

167,000

745,000

CRT6803

350

460

1,390

5,850

142,000

600,000

CRT7012

360

600

120

6.9

5.5

3,800

17,500

390,000

1,780,000

CRT7207

406.400

711.200

146.050

9.7

6,100

30,500

620,000

3,150,000

＊CRT8101

406.4

711.2

166.5

8,250

33,500

840,000

3,400,000

CRT8104

450

570 750

100 145

4 8

1,560 6,350

7,750 31,500

159,000 645,000

790,000 3,200,000

CRT9002 CRT9003

508.000

990.600

196.850

12.7

12,100

62,500

1,230,000

6,400,000

＊CRT10202

600

745

105

2,530

13,600

258,000

1,390,000

CRT12002

920

1,120

150

7.5

5,500

32,500

560,000

3,350,000

CRT18401

60 136.525

1 Minimal allowable dimension for chamfer dimension r or r1. Remarks: 1. Bearing numbers marked "＊" designate inch system bearings.

B-242

â&#x2014;?Tapered Roller Thrust Bearings (Single Direction Type)

Drawing C

Drawing no.

Dimensions

Mass

(approx.)

260.3

360

18.3

279.4

603.25

291

395

B A

320.5 320

580 708

340

460

49.9

351

450

37.3

366

620

136

406.4

711.2

245

409

709

301

A B

452 450.5

570 750

60.3 257

508

990.6

701

600.5

745

101

922

1,118

295

205 27.8 179 465

B-243

●Tapered Roller Thrust Bearings (Double Direction Type)

φD φD1

φd

φda

φDa

r1a

d 170∼550mm Boundary dimensions mm rs min1 r1s min1

Basic load ratings dynamic static kN kgf Ca

Bearing numbers

Abutment and fillet dimensions mm D1

CRTD3401

184

179

65,500

CRTD3618

196

1,630

166,000

CRTD4013

430

435

44,000

CRTD4203

1.5

860

88,000

96 105

2 1.5

0.6 1.5

405 840

360 380

96 100

1.5 2

0.6 1

260

360 400

92 120

2 3

300

420

100

305

530

320

Mass kg ra

r1a

190

189

202

413

438

2.5

105

236

228

242

19.5

CRTD4401

250

242

256

1.5

42.1

41,500 85,500

CRTD4802 CRTD4803

256 270

22 27

246 267

262 274

2 1.5

1 1.5

21 41.5

635 905

64,500 92,000

CRTD5007 CRTD5005

285 275

24 22

274 266

289 281

1.5 2

0.6 1

28 40

1 1.5

580 920

59,500 93,500

CRTD5216 CRTD5217

285 290

20 25

272 276

291 298

2 2.5

1 1.5

26 51.5

880

89,500

CRTD6001

330

320

335

200

1.5

2,500

255,000

CRTD6104

345

332

357

1.5

440 470

108 130

3 3

2 2

980 1,390

100,000 142,000

CRTD6406 CRTD6404

355 350

20 30

344 335

363 358

2.5 2.5

2 2

43 73

350

490

130

1.1

1,150

118,000

CRTD7012

390

375

398

2.5

1.5

380

560

130

1,630

166,000

CRTD7612

430

410

438

2.5

102

410

560

160

1,660

169,000

CRTD8201

440

428

446

111

420

620

170

1.1

2,190

223,000

CRTD8403

465

448

473

2.5

155

440

645

167

2,070

211,000

CRTD8802

500

470

495

176

470

720

200

3,450

355,000

CRTD9408

535

507

545

261

760

230

2,910

296,000

CRTD11002

610

577

622

296

170

240

2.5

365

37,000

180

280

645

200

560

138

212

300

220

340

130

240

320 380

250

550

1 Minimum allowable dimension for chamfer dimension r or r1. Remarks: 1. Ca does not means allowable load ratings. Please contact NTN Engineering.

B-244

(approx.)

165

B-245

●Self-Aligning Thrust Roller Bearings

φd1 φd

A r T

C r φD1 φD

d 100∼200mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

rs min1

100

170 210

42 67

1.5 3

110

190 230

48 73

120

210 250

130

Bearing numbers

Dimensions

kgf

Coa

345 685

1,160 2,130

35,500 69,500

118,000 217,000

29320 29420

129 146

163 200

14 24

20.8 32

58 62

2 3

445 845

1,500 2,620

45,000 86,500

152,000 267,000

29322 29422

143 162

182 220

16 26

23 35

64 69

54 78

2.1 4

535 975

1,770 3,050

54,500 99,000

181,000 310,000

29324 29424

159 174

200 236

18 29

26 37

70 74

225 270

58 85

2.1 4

615 1,080

2,100 3,550

62,500 110,000

215,000 360,000

29326 29426

171 189

215 255

19 31

28 41

76 81

140

240 280

60 85

2.1 4

685 1,110

2,360 3,750

70,000 114,000

241,000 385,000

29328 29428

183 199

230 268

20 31

29 41

82 86

150

215 250 300

39 60 90

1.5 2.1 4

340 675 1,280

1,340 2,390 4,350

34,500 68,500 131,000

136,000 243,000 445,000

29230 29330 29430

178 194 214

208 240 285

14 20 32

19 29 44

82 87 92

160

225 270 320

39 67 95

1.5 3 5

360 820 1,500

1,460 2,860 5,150

36,500 84,000 153,000

149,000 292,000 525,000

29232 29332 29432

188 208 229

219 260 306

14 24 34

19 32 45

86 92 99

170

240 280 340

42 67 103

1.5 3 5

425 855 1,660

1,770 3,050 5,750

43,500 87,000 169,000

180,000 310,000 590,000

29234 29334 29434

198 216 243

233 270 324

15 23 37

20 32 50

92 96 104

180

250 300 360

42 73 109

1.5 3 5

450 995 1,840

1,920 3,600 6,200

45,500 102,000 188,000

196,000 365,000 635,000

29236 29336 29436

208 232 255

243 290 342

15 25 39

20 35 52

97 103 110

190

270 320 380

48 78 115

2 4 5

530 1,150 2,010

2,230 4,250 6,800

54,000 117,000 205,000

227,000 430,000 695,000

29238 29338 29438

223 246 271

262 308 360

15 27 41

24 38 55

104 110 117

200

280 340 400

48 85 122

2 4 5

535 1,280 2,230

2,300 4,600 7,650

54,500 131,000 228,000

234,000 470,000 780,000

29240 29340 29440

236 261 286

271 325 380

15 29 43

24 41 59

108 116 122

1 Minimum allowable dimension for chamfer dimension r or r1.

B-246

●Self-Aligning Thrust Roller Bearings

φda

Equivalent bearing load dynamic Pa＝Fa＋1.2Fr static Poa＝Fa＋2.7Fr Fr when Fa ≦0.55

φDa

Abutment and fillet dimensions mm Da ras da

Mass kg

min

max

(approx.)

130 150

150 175

1.5 2.5

3.94 11.5

145 165

165 190

2 2.5

5.78 15

160 180

180 205

2 3

7.92 18.6

170 195

195 225

2 3

9.76 23.7

185 205

205 235

2 3

11.4 25.2

179 195 220

196 215 250

1.5 2 3

4.56 12 30.5

189 210 230

206 235 265

1.5 2.5 4

4.88 15.9 37

201 220 245

218 245 285

1.5 2.5 4

6.02 16.6 45

211 235 260

228 260 300

1.5 2.5 4

6.27 21.2 52.9

225 250 275

245 275 320

2 3 4

8.8 26 62

235 265 290

255 295 335

2 3 4

9.14 31.9 73.3

B-247

●Self-Aligning Thrust Roller Bearings

φd1 φd

A r T

C r φD1 φD

d 220∼400mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

kN rs min1

Bearing numbers

Dimensions

kgf

Coa

2 4 6

555 1,390 2,300

2,480 5,200 8,100

56,500 141,000 235,000

253,000 530,000 825,000

29244 29344 29444

254 280 308

292 345 400

15 29 43

24 41 58

117 125 132

60 85 122

2.1 4 6

825 1,380 2,400

3,600 5,250 8,700

84,000 140,000 245,000

365,000 535,000 885,000

29248 29348 29448

283 300 326

330 365 420

19 29 43

30 41 59

130 135 142

260

360 420 480

60 95 132

2.1 5 6

870 1,710 2,740

3,950 6,800 10,000

88,500 175,000 279,000

400,000 695,000 1,020,000

29252 29352 29452

302 329 357

350 405 460

19 32 48

30 45 64

139 148 154

280

380 440 520

60 95 145

2.1 5 6

875 1,800 3,350

4,050 7,250 12,400

89,000 184,000 340,000

415,000 740,000 1,270,000

29256 29356 29456

323 348 387

370 423 495

19 32 52

30 46 68

150 158 166

300

420 480 540

73 109 145

3 5 6

1,190 2,140 3,450

5,350 8,250 13,200

121,000 218,000 350,000

545,000 840,000 1,340,000

29260 29360 29460

353 379 402

405 460 515

21 37 52

38 50 70

162 168 175

320

440 500 580

73 109 155

3 5 7.5

1,260 2,220 3,700

5,800 8,800 14,200

128,000 226,000 375,000

595,000 895,000 1,440,000

29264 29364 29464

372 399 435

430 482 555

21 37 55

38 53 75

172 180 191

340

460 540 620

73 122 170

3 5 7.5

1,240 2,650 4,400

5,800 10,700 17,500

126,000 270,000 445,000

590,000 1,090,000 1,790,000

29268 29368 29468

395 428 462

445 520 590

21 41 61

37 59 82

183 192 201

360

500 560 640

85 122 170

4 5 7.5

1,510 2,710 4,500

7,050 11,100 18,500

154,000 276,000 460,000

720,000 1,130,000 1,890,000

29272 29372 29472

423 448 480

485 540 610

25 41 61

44 59 82

194 202 210

380

520 600 670

85 132 175

4 6 7.5

1,590 3,200 4,900

7,650 13,300 19,700

162,000 325,000 500,000

780,000 1,360,000 2,010,000

29276 29376 29476

441 477 504

505 580 640

27 44 63

42 63 85

202 216 230

400

540 620 710

85 132 185

4 6 7.5

1,620 3,400 5,450

7,950 14,500 22,100

165,000 345,000 555,000

810,000 1,480,000 2,250,000

29280 29380 29480

460 494 534

526 596 680

27 44 67

42 64 89

212 225 236

220

300 360 420

48 85 122

240

340 380 440

1 Smallest allowable dimension for chamfer dimension r.

B-248

●Self-Aligning Thrust Roller Bearings

φda

Equivalent bearing load dynamic Pa＝Fa＋1.2Fr static Poa＝Fa＋2.7Fr Fr when Fa ≦0.55

φDa

Abutment and fillet dimensions mm Da ras da max

Mass kg

min

max

(approx.)

260 285 310

275 315 355

2 3 5

9.94 34.5 77.8

285 300 330

305 330 375

2 3 5

17.5 36.6 82.6

305 330 360

325 365 405

2 4 5

18.6 52 108

325 350 390

345 390 440

2 4 5

19.8 54.6 140

355 380 410

380 420 460

2.5 4 5

30.9 75.8 147

375 400 435

400 440 495

2.5 4 6

33.5 79.9 181

395 430 465

420 470 530

2.5 4 6

34.4 107 230

420 450 485

455 495 550

3 4 6

50.5 112 240

440 480 510

475 525 575

3 5 6

53.4 143 267

460 500 540

490 550 610

3 5 6

55.8 148 321 B-249

●Self-Aligning Thrust Roller Bearings

φd1 φd

A r T

C r φD1 φD

d 420∼800mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

rs min1

420

580 650 730

95 140 185

5 6 7.5

2,100 3,600 5,500

440

600 680 780

95 145 206

5 6 9.5

460

620 710 800

95 150 206

480

650 730 850

500

Dimensions

kgf Coa

Coa

10,400 15,500 22,800

214,000 365,000 560,000

1,060,000 1,580,000 2,330,000

29284 29384 29484

489 520 556

564 626 700

30 48 67

46 68 89

225 235 244

2,150 3,800 6,400

10,900 16,400 26,200

219,000 385,000 650,000

1,110,000 1,680,000 2,670,000

29288 29388 29488

508 548 588

585 655 745

30 49 74

49 70 100

235 245 260

5 6 9.5

2,150 4,200 6,600

11,000 18,500 27,900

219,000 430,000 670,000

1,120,000 1,880,000 2,840,000

29292 29392 29492

530 567 608

605 685 765

30 51 74

46 72 100

245 257 272

103 150 224

5 6 9.5

2,400 4,200 7,500

12,000 18,700 31,500

245,000 430,000 765,000

1,220,000 1,910,000 3,200,000

29296 29396 29496

556 590 638

635 705 810

33 51 81

55 72 108

259 270 280

670 750 870

103 150 224

5 6 9.5

2,540 4,300 7,850

13,000 19,300 33,000

259,000 435,000 805,000

1,330,000 1,970,000 3,350,000

292/500 293/500 294/500

574 611 661

654 725 830

33 51 81

55 74 107

268 280 290

530

710 800 920

109 160 236

5 7.5 9.5

2,720 5,000 8,650

14,000 23,300 36,000

278,000 510,000 880,000

1,430,000 2,380,000 3,700,000

292/530 293/530 294/530

610 648 697

692 772 880

39 54 86

55 76 115

288 295 308

560

750 980

115 250

5 12

3,200 9,300

16,600 40,500

325,000 945,000

1,700,000 4,100,000

292/560 294/560

642 743

732 938

38 90

61 121

302 321

800

122 258

5 12

3,500 10,200

18,300 355,000 44,500 1,040,000

1,870,000 4,550,000

292/600 294/600

686 785

780 978

40 90

63 125

321 360

630 1,090

850

132 280

6 12

4,300 11,600

22,800 435,000 51,000 1,180,000

2,330,000 5,200,000

292/630 294/630

717 830

822 1,040

44 100

70 136

338 365

670 1,150

290

12,900

57,000 1,320,000

5,850,000

294/670

880

1,105

106

138

387

710 1,220

1,060

212 308

9.5 15

8,350 14,100

40,500 850,000 63,500 1,440,000

4,150,000 6,450,000

293/710 294/710

850 925

1,030 1,165

76 112

102 150

393 415

750 1,280

315

15,700

69,000 1,600,000

7,000,000

294/750

983

1,220

116

152

436

800 1,360

335

17,000

79,000 1,730,000

8,050,000

294/800

1,040

1,300

120

162

462

600 1,030

Bearing numbers

1 Smallest allowable dimension for chamfer dimension r.

B-250

●Self-Aligning Thrust Roller Bearings

φda

Equivalent bearing load dynamic Pa＝Fa＋1.2Fr static Poa＝Fa＋2.7Fr Fr when Fa ≦0.55

φDa

Abutment and fillet dimensions mm Da ras da

Mass kg

min

max

(approx.)

490 525 560

525 575 630

4 5 6

76.6 172 333

510 550 595

545 600 670

4 5 8

79.6 195 428

530 575 615

570 630 690

4 5 8

82.8 221 443

555 595 645

595 650 730

4 5 8

98.6 228 552

575 615 670

615 670 750

4 5 8

102 235 569

610 655 715

650 710 790

4 6 8

122 288 669

640 755

690 835

4 10

144 815

690 800

735 885

4 10

171 897

725 845

780 935

5 10

213 1,110

895

990

1,280

870 950

930 1,050

8 12

669 1,520

995

1,105

1,690

1,060

1,175

2,040

B-251

Bearings for special applications Contents

Split cylindrical roller bearings: Double–fractured ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯C- 2 Split spherical roller bearings: Double–fractured⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯C- 3 Double–fractured split cylindrical roller bearings: Continuous casting equipment ⋯⋯C- 4 Cylindrical roller bearings with self-aligning rings: Continuous casting equipment ⋯⋯C- 5 Bearings for preparing rolls: Sendzimir rolling mills ⋯⋯⋯⋯⋯⋯⋯⋯⋯C- 6 Enclosed–type tapered roller bearings for wheels: Sintering machines ⋯⋯C- 8 Cylindrical roller bearings: Chain conveyors ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯C- 9 Tapered roller thrust bearings: Screw down operations⋯⋯⋯⋯⋯⋯⋯⋯C-10 Tension leveler roll unit: Cartridge unit ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯C-14 Tension lever roll unit: Backup unit ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯C-15 Turn table bearings: 3–row cylindrical roller type ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯C-16 Sealed spherical roller bearings: Model WA ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯C-18 Spherical surface slide bearings ⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯C-20

Bearings for special applications

●Split Cylindrical Roller Bearings: Double–Fractured ¡ Since the inner ring, outer ring and cage are split in two parts, it is possible to mount the bearing in places where a united bearing is difficult or impossible to mount. (ie. Places where mounting from the shaft end is impossible, an obstacle exists on the shaft, or the shaft is very long.) ¡ Inspection and maintenance after mounting is easy.

C r2 r1 B

φd

φD

Drawing A Fixed side

Drawing B Free side

d 120∼770mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing1 Drawing numbers no.

kgf

Cor

120

R254

125

450

510

46,000

52,000

＊RE2436 ＊RE2437

B A

127

254

114.3

63.5

555

720

56,500

73,500

RE2512

160

240

238

340

24,200

35,000

RE3220 RE3221

A B

164

240

238

340

24,200

35,000

RE3308 RE3309

A B

170

R340

120

C3.5

3.5

435

565

44,500

57,500

＊RE3420 ＊RE3421

A B

109

55.5

C3.5

415

580

42,500

59,000

RE3617

A A B

180

285.75

Cor

C3.5

350

510

36,500

52,000

RE3812 RE3813

60.3

C3.2

480

760

49,000

77,500

RE4022

370

595

37,500

60,500

RE4206 RE4207

A B

360

350

550

35,500

56,500

RE4604 RE4605

A B

235

360

350

550

35,500

56,500

RE4702 RE4703

A B

260

360

350

550

35,500

56,500

RE5209 RE5210

A B

280

400

460

755

47,000

77,000

RE5606 RE5607

B A

320

622.3

C12

2,900

4,250

295,000

435,000

RE6405

A A B

190

290

200

311.15

210

360

230

92 109.5

272

160.4

335

480

115

545

955

56,000

97,500

RE6702 RE6703

360

R600

200

116

1,940

3,250

198,000

330,000

＊RE7203

460

740

294

170

3,650

6,150

370,000

625,000

RE9208

500

850.9

360

210

C12

5,250

9,050

535,000

525,000

RE10013

B A B

575

800

180

1,370

2,570

140,000

262,000

RE11501 RE11502

640

900

200

103

1,650

3,150

168,000

325,000

RE12801 RE12802

A B

670

900

200

103

1,650

3,150

168,000

325,000

RE13405 RE13406

A B

770

1,070

300

180

C2.5

5,300

12,000

540,000

1,230,000

RE15404 RE15405

A B

1 The marked "＊" bearings has a spherical surface of outer rings outside dia. Remarks: 1. The above drawings are typical examples. Please contact NTN Engineering.

C-2

●Split Spherical Roller Bearings: Double–Fractured

φD

φd

φD

Drawing A

φd

φD

Drawing B

φd

Drawing C

d 150∼1,400mm Boundary dimensions dynamic kN

Basic load ratings static dynamic

static

Bearing1 numbers

Drawing no.

kgf

Cor

150

260

121

2.1

420

720

43,000

73,500

2PE3012

190

290

150

2.1

785

1,440

80,000

147,000

2PE3801

200

340

152

935

1,620

95,000

165,000

2PE4002

240

400

173

104

1,070

1,990

109,000

203,000

2PE4802

315.9

530

210

133

2,130

4,150

218,000

420,000

2PE6301

320

480

226

121

7.5

1,590

2,930

163,000

299,000

2PE6401

360

540

212

134

2,270

4,350

231,000

445,000

2PE7202

505

750

248

140

2,680

6,200

273,000

635,000

2PE10101

530

750

248

140

2,680

6,200

273,000

633,000

2PE10601

850

1,280

375

249

8,800

19,900

895,000

2,020,000

2PE17009

1 120

1,540

525

355

7.5

14,200

43,500

1,450,000

4,400,000

2PE22401

1 200

1,700

790

410

―

9.5

17,200

44,000

1,750,000

4,500,000

2PE24004

1 200

1,700

695

410

―

9.5

15,600

44,000

1,590,000

4,500,000

2PE24005

1 400

1,900

880

530

―

22,900

65,500

2,340,000

6,650,000

2PE28001

7.5

C-3

●Double–Fractured Split Cylindrical Roller Bearings: Continuous Casting Equipment

φ DR

¡ These bearings are designed to be a full complement roller type and have high rating load for heavy loads, ultra low speed rotation and space-saving. ¡ These bearings provide a multi-seal with a labyrinth ring, seal ring and special rubber seal to prevent water from invading. ¡ The clamping ring of the inner ring is not needed anymore and the structure of direct clamping is applied to make a compact bearing. ¡ Bearings have a self-aligning nature due to the roll deflection since the outer ring outside diameter and the housing inner diameter are spherical. ¡ Application of a water cooling jacket type housing controls rising bearing temperatures.

B φd

φDR

d 100∼230mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

Housing No.

kgf

Cor

210 225

355 475

790 950

36,000 48,500

80,500 96,500

RE2038V RE2039V

SS2020 SS2021

230 230 230

230 230 225

425

1,040

43,500

106,000

RE2224V

390

930

40,000

94,500

RE2225V

SS2228 SS2230 SS2234

100

154 169

145 132

210 220

154

150 180 155

Cor

110

154

115

173

220

240

505

940

51,500

95,500

RE2306V

SS2304

120

151

190

240

250

395

970

40,000

99,000

RE2439V

SS2420

130

154

190

270

430

1,110

43,500

113,000

RE2628

SS2637

140

179 191

245 250

270 265

600 525

1,240 1,280

61,500 53,500

126,000 131,000

RE2827V RE2824V

SS2835 SS2825

145

196 208

260 270

280 295

630 765

1,440 1,780

64,500 78,000

147,000 182,000

RE2906V RE2907V

SS2908 SS2907

150

169

180

265

300

695

1,700

70,500

173,000

RE3036V

SS3043

165

228

280

320

930

2,210

95,000

225,000

RE3311V

SS3303

180

169 235

217.5 280

335 340

815 1,030

2,010 2,580

83,000 106,000

205,000 263,000

RE3621V RE3620V

SS3616 SS3415

190

233

280

370

1,320

3,100

134,000

320,000

RE3815V

SS3804

230

239

300

450

1,590

3,700

162,000

380,000

RE4606

SS4601

C-4

●Cylindrical Roller Bearings With Self-Aligning Rings: Continuous Casting Equipment ¡ These bearings are designed to be a full complement roller type and have high rating load. ¡ Bearings have a self-aligning nature since the outer ring outside surface and aligning ring inside surface are spherical.

B r r

φD

φd

dynamic

Basic load ratings static dynamic

d 55∼200mm Boundary dimensions mm

rs min1

90 100

32 25

1.1 1.5

130

1.5

110

170 180

60 56

120

200

130

85 94.5

static

Bearing numbers

kgf Cor

Cor

203 146

8,700 9,650

20,700 14,900

R11A11V R11A12V

146

236

14,900

24,100

R1564V

2 2

297 325

720 635

30,500 33,000

73,000 65,000

R2260V R2252V

450

980

46,000

100,000

R2481V

200 210

69 80

2 2

405 495

935 1,090

41,500 50,500

95,500 112,000

R2674V R2677V

140

210 225

69 85

2 2.1

420 545

990 1,230

42,500 56,000

101,000 125,000

R2858V R2859V

150

250

100

2.1

710

1,620

72,500

165,000

R3056V

160

270

109

2.1

855

1,830

87,500

186,000

R3261V

170

260

2.1

635

1,510

65,000

154,000

R3444V

180

280

100

2.1

785

1,870

80,500

191,000

R3646V

200

340

112

1 160

2,470

119,000

252,000

R4051V

1 Smallest allowable dimension for chamfer dimension r.

C-5

●Bearings for Preparing Rolls: Sendzimir Rolling Mills ¡ Since bearings are directly used in preparing rolls, the thickness of the outer ring is designed to be thicker than regular bearings. ¡ Since high accuracy under heavy loads is required, these bearings are designed to have a capacity for heavy loads and high accuracy. ¡ Several bearings are assembled on one shaft for operation, and the mutual difference of assembled thickness (Dimension H) of bearings on the same shaft is very minimal. ¡ When the outer ring outside surface is worn, it is possible to recycle it by grinding it to a certain level.

C r H

r1 B φd φD

Drawing A

Drawing B

Drawing C

Drawing D

d 70∼180mm Boundary dimensions

Basic load ratings dynamic static dynamic kN kgf

static

Bearing numbers

Drawing no.

rs min1

rls min1

160 160

90 90

1.5 1.5

0.6 0.6

455 355

855 605

46,500 36,000

87,000 61,500

3RCS1414VUP 3RCS1418UP

C B

220 220 220 200

96 120 120 130

94 120 120 130

3.0 2.0 2.0 2.0

1.1 0.3 1.5 1.5

470 775 650 675

695 1,510 1,150 1,260

48,000 79,000 66,000 69,000

71,000 154,000 118,000 128,000

2R1840LLUP-1 3R1827VUP 3R1829UP 3R1826UP

F E D D

100

255

120

1.5

1.0

715

1,350

73,000

138,000

3RCS2035UP

130

300 300

160 172.6

159.5 172.6

1.5 1.5

2.0 2.0

1,480 1,580

2,700 2,930

151,000 161,000

275,000 299,000

3RCS2659UPV1 3RCS2629UP

A A

180

406.4 406.4

171.04 224

2.5 1.45

4.0 4.0

2,060 2,350

3,800 4,500

210,000 240,000

390,000 460,000

3RCS3615UP 3RCS3618UP

B B

Cor

1 Minimal allowable dimension for chamfer dimension r or r1.

C-6

Cor

●Bearings for Preparing Rolls: Sendzimir Rolling Mills

Drawing E

Drawing F

Sloping outer ring

Assembled thickness

6 6

0.035 0.035

21 6 20.6 6

Necessary Mass number kg (P/C)

(approx.)

44.981（±0.010） 44.981（±0.010）

32 32

10.7 10.7

0.5 0.035 0.12 0.1

64.980（±0.008） 64.978（±0.008） 64.973（0∼−0.010） 64.960（±0.008）

64 32 40 40

21.7 27.6 27.5 29.8

0.1

62.474（0.010∼0）

28.0

10 10

0.1 0.1

84.954（±0.008） 84.954（±0.008）

40 40

67.4 73.0

25 25

0.15 0.15

113.150（±0.010） 113.150（±0.010）

56 40

132 170

C-7

●Enclosed–Type Tapered Roller Bearings for Wheels: Sintering Machines ¡ The double lip contact seal, which has a tight seal, is installed with the bearing side face to prevent dust from entering the bearings. ¡ Greasing the bearings is possible when a notch is positioned at the central part of inner ring.

C r r1 B1

φd

φD

d 85∼130mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

rsmin1

r1smin1

180

115

2.5

0.6

440

715

45,000

73,000

CRI-1760LL

180

100

3.0

1.0

530

835

54,500

85,500

CRI-1959LL＊

100

180

100

2.5

0.8

440

675

45,000

68,500

CRI-2070LL

110

200

100

3.0

1.0

605

965

61,500

98,500

CRI-2272LL

130

230

138

3.0

0.3

820

1,660

83,500

169,000

CRI-2666LL

1 Minimal allowable dimension for chamfer dimension r or r1. Remarks: 1. The marked "＊" bearings are not prepared with oil holes.

C-8

Cor

●Cylindrical Roller Bearings: Chain Conveyors ¡ Since the outer ring directly supports heavy loads, the thickness of outer ring is designed to be thicker than regular bearings. ¡ For operation under heavy loads and extremely low speed rotation, these bearings are designed to be a full complement roller type and have high loads capacity. ¡ To prevent foreign matter from entering the bearing, a labyrinth structure is applied, which has a narrower clearance between outer ring and rib ring.

T C B

φd2 φd1

φd φD

d 28.3∼56mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

static

Bearing numbers

kgf

28.3

44.05

125

197

241

20,100

24,500

R06A31V

38.4

150

138

390

585

40,000

59,500

R08A31V

38.7

150

112

315

420

32,500

42,500

R08A24V

64.16

175

125

395

575

40,500

59,000

R08A02V

150

278

405

28,300

41,000

R09A20V

150

278

405

28,300

41,000

R09A21V

156

280

355

28,600

36,500

R1099V

74 73

160 150

51 60

55 60

49 60

261 278

310 405

26,600 28,300

31,500 41,000

R11A01V R11A13V

41.75

C-9

●Tapered Roller Thrust Bearings: Screw Down Operations ¡ These bearings are designed to be a full complement roller type and have high static rating load for large axial load applications. ¡ Inner ring surface is spherical (convex or concave) to allow its circle center to meet the tip of the pressing screw. ¡ For hoisting, bearings are designed to have a hole or bushing at the center of the inner ring, and a bushing on the outer ring.

φd1 φF

U Th

φD

D 149.225∼641.350mm Boundary dimensions

Basic load ratings static

mm 1

kgf

Coa

Bearing numbers

r1s min

149.225

146.900

47.625

127.000

1.6

2,280

233,000

CRT0402V

174.625

172.300

52.375

152.400

1.6

3,300

335,000

CRT0503V

203.200

200.800

65.075

177.800

1.6

4,550

465,000

CRT0607V

266.700

264.300

80.950

228.600

1.6

7,750

790,000

CRT0701V

320.675

318.300

95.250

279.400

1.6

11,800

1,200,000

CRT0814V

377.825

375.500

111.125

330.200

1.6

16,300

1,660,000

CRT0908V

409.575

407.200

122.225

355.600

3.2

19,300

1,960,000

CRT1006V

438.150

435.800

130.175

381.000

3.2

21,600

2,210,000

CRT1104V

495.300

492.900

146.050

431.800

3.2

27,300

2,780,000

CRT1209V

495.300

492.900

146.050

431.800

3.2

32,000

3,250,000

CRT1212V

523.875

521.500

152.400

457.200

3.2

32,000

3,300,000

CRT1409V

554.000

555.000

190.500

465.430

1.7

36,000

3,700,000

CRT1206V

555.625

553.300

165.100

482.600

3.2

36,000

3,650,000

CRT1516V

581.025

578.700

168.275

508.000

3.2

38,500

3,950,000

CRT1610V

609.600

607.200

177.800

533.400

3.2

44,000

4,500,000

CRT1806V

641.350

639.000

184.150

558.800

3.2

49,000

4,950,000

CRT1807V

1 Smallest allowable dimension for chamfer dimension r1.

C-10

â&#x2014;?Tapered Roller Thrust Bearings: Screw Down Operations

Dimensions

Mass

(approx.)

228.6

12.7

4.7

1.2

M12

4.4

228.6

12.7

4.7

1.2

M12

6.7

254

15.875

6.4

1.2

M12

304.8

19.05

7.9

M20

24.1

381

22.225

10.3

2.4

M20

41.3

457.2

25.4

10.3

2.4

M24

73.7

508

28.575

10.3

2.4

M24

87.2

508

31.75

13.5

3.2

M24

105

558.8

34.925

13.5

3.2

M24

150

1,270

34.925

13.5

3.2

M24

150

635

34.925

13.5

3.2

M24

175

M24

245

1,270

9.5

635

38.1

13.5

3.2

M24

214

711.2

38.1

13.5

3.2

M24

238

762

38.1

13.5

3.2

M24

277

762

38.1

13.5

3.2

M24

317

C-11

φd1 φF Th1

U Th

φD

D 149.225∼641.350mm Boundary dimensions

Basic load ratings static kN kgf

Bearing numbers

r1s min1

127.000

1.6

2,280

233,000

CRT0401V

172.300

61.392

152.400

1.6

3,300

335,000

CRT0504V

203.200

200.800

177.800

1.6

4,650

475,000

CRT0606V

266.700

264.300

94.412

228.600

1.6

7,750

790,000

CRT0505V

320.675

318.300

110.973

279.400

1.6

11,800

1,200,000

CRT0811V

377.825

375.500

129.007

330.200

1.6

16,300

1,660,000

CRT0909V

409.575

407.200

140.767

355.600

3.2

19,300

1,960,000

CRT1007V

438.150

435.800

150.673

381.000

3.2

21,600

2,210,000

CRT1105V

482.600

480.212

145.542

419.100

3.2

27,200

2,770,000

CRT1307V

495.300

492.900

170.612

431.800

3.2

32,000

3,250,000

CRT1211V

523.875

521.500

174.35

457.200

3.2

32,500

3,350,000

CRT1412V

533.400

177.8

457.200

1.6

33,500

3,400,000

CRT1411V

555.625

553.300

190.856

482.600

3.2

36,000

3,650,000

CRT1517V

581.025

578.700

193.78

508.000

3.2

39,000

4,000,000

CRT1214V

581.225

578.700

193.777

508.000

3.2

38,500

3,950,000

CRT1601V

609.600

607.240

202.167

533.400

3.2

44,500

4,550,000

CRT1812V

641.350

639.000

212.674

558.800

3.2

49,000

4,950,000

CRT1808V

149.225

146.900

174.625

1 Smallest allowable dimension for chamfer dimension r1.

C-12

Coa

●Tapered Roller Thrust Bearings: Screw Down Operations

Dimensions

Mass

Th12

(approx.)

457.2

47.625

12.7

4.7

1.2

M12

−

6.6

457.2

52.375

12.7

4.7

1.2

M12

−

10.1

508

65.075

15.875

6.4

1.2

M12

M16

609.6

80.950

19.05

7.9

M20

−

36.2

762

95.250

22.225

10.3

2.4

M20

−

61.3

111.125

25.4

10.3

2.4

M24

−

98.8

1,016

122.225

28.575

10.3

2.4

M24

−

127

1,016

130.175

31.75

13.5

3.2

M24

−

155

1,905

130.175

38.1

13.5

3.2

M24

−

182

1,066.8

146.050

34.925

13.5

3.2

M24

−

215

1,270

152.400

34.925

13.49

3.18

M24

−

259

1,981.2

161.925

31.75

9.5

M24

−

271

1,270

165.100

38.1

13.5

3.2

M24

−

316

1,320.8

166.880

38.1

13.5

M24

M42

350

1,422.4

168.275

38.1

13.5

3.2

M24

−

350

1,524

177.800

38.1

13.5

3.2

M30

M42

388

1,524

184.150

38.1

13.5

3.2

M24

−

469

914.4

2 "−" means that is not prepared with a bush.

C-13

●Tension Leveler Roll Unit: Cartridge Unit ¡ This unit has a precision small diameter and a long scaled roll, with the surface roughness of the roll designed to be low. ¡ Angular ball bearings are assembled in multiple rows in the cartridge to obtain high load capacity in both axial directions and at high speed. ¡ This unit has established both low torque operation and tight sealing by a labyrinth structure and low-contact seals.

Cartrige Unit

L1 L2

φd

φD

φD1

d 8∼15mm Bearing numbers

Boundary dimensions

Allowable axiale load

mm d

kgf

CU8A01W＋WK30/150

1,716

1,552

1,500

1.85

189

CU8A05W＋WK50/185

2,066

1,902

1,850

1.85

189

CU8A05W＋IM38/185

2,066

1,902

1,850

1.85

189

CU10B01W＋WK25/220

2,433.5

2,280

2,200

0.715

CU10B01W＋WK20/180

2,033.5

1,880

1,800

0.715

CU12B04W＋WK40/150

1,716

1,566

1,500

2.02

206

CU12B07W＋WK30/220

2,433.5

2,288

2,200

1.49

151

CU12B07W＋IM38/180

2,033.5

1,888

1,800

1.49

151

CU12B08W＋WK40/210

2,332

2,170

2,100

100

2.02

206

CU15A04W＋IM60/220

2,433.5

2,270

2,200

3.78

380

C-14

●Tension Lever Roll Unit: Backup Unit ¡ This unit has established both low torque operation and tight sealing by a labyrinth structure and low-contact seals. ¡ When further low torque is requested, the roll unit (Model BUB), which uses only the deep groove ball bearings, is available. ¡ Since the unit is used as a backup roll, the accuracy and its surface roughness are designed to be low.

Backup Unit

L L1

φd

φD

φd

φD

Type NKZ

Type BUB

d 13∼70mm Bearing numbers

Boundary dimensions dynamic mm

Basic load ratings static dynamic static kN kgf

Mass kg

Cor

(approx.)

NKZ 13×34×190-2

190

150

4,300

6,900

NKZ 16×38×192

192

170

35.5

55.5

3,600

5,650

1.4

NKZ 20×50×153-1

153

115

77.5

7,900

11,900

1.9

BUB 24×63.5×150-01

63.5

190

140

26.6

2,710

2,390

2.4

NKZ 24×65×205-6

205

155

82.5

122

8,450

12,500

3.9

NKZ 24×65×294

294

244

153

10,000

15,600

5.8

NKZ 24×65×314-4

314

275

150

8,600

15,300

6.5

BUB 24×65×320-03

320

274

19.2

1,950

1,510

6.5

NKZ 26×75×208-5

208

160

112

163

11,400

16,700

5.1

NKZ 28×75×150

150

108

112

163

11,400

16,700

3.6

NKZ 30×65×196

196

146

114

186

11,600

18,900

3.8

NKZ 30×75×150-24

150

110

125

187

12,700

19,000

3.7

NKZ 30×75×230-19

230

180

151

228

15,400

23,200

5.8

NKZ 30×75×326-12

326

276

151

228

15,400

23,200

8.5

NKZ 40×90×195

195

145

128

214

13,000

21,900

NKZ 70×150×345-4

150

345

250

515

905

52,500

92,500

34.5

C-15

116 23.4

14.8

●Turn Table Bearings: 3–Row Cylindrical Roller Type ¡ These are compound type bearings which unite the double row thrust roller bearing and the radial roller bearing. ¡ These bearings are designed so that rollers in each row support axial and moment loads respectively, and high rigidity and long life can be obtained since the rolling parts make line contact. ¡ They are suitable for tunnel excavating machines or cranes with frequent turns.

Da La Ui mz Di

Za - da

K So ho H

b ti

mi Zi - di

Ua Li O

Drawing A

Di 1,104∼4,000mm Boundary dimensions

Gear spec

Setting holes (inner ring)

Setting holes (outer ring)

module number of gear teeth zi Di

1,104 1,510 175 1,128

140

1,230

36 φ26 30

M24X3

45 1,460 36 φ26

1,400 1,850 220 1,428

102

120

1,520

48 φ26 30

M24X3

50 1,795 48 φ26

−

1,620 2,180 260 1,656

180

1,800

40 φ33 30

M30X3.5

60 2,115 401 φ33

−

2,172 2,660 230 2,196

183

170

2,300

48 φ33 35

M30X3.5

60 2,595 48 φ33

−

2,784 3,305 240 2,808

234

140

2,910

42 φ33 30

M30X3.5

55 3,240 42 φ33

−

4,000 4,700 348 4,032

252

210

4,175

88 φ42 50

M39X4

70 4,615 88 φ42

(n)

1 Disparity positioned

C-16

(n)

108 52 M24X3

226 80 M39X4

●Turn Table Bearings: 3–Row Cylindrical Roller Type

Da La Ui mz Di

Za - da

ho H

b ti Si

R mi Zi - di

Ua Li O

Drawing B Unit mm Bearing

Drawing

numbers

no.

Dimensions

Basic load ratings static

static

kN O

main thrust line

Mass

Tonf

sub thrust line

radial line

main thrust line

sub thrust line radial line (approx.)

K2N-RTD22602PX1 A 1,306

1,284 1,166

11,500

6,700

1,410

1,170

680

143

930

K2N-RTD28601PX1 B 1,618

1,576 1,475

20,500

10,800

2,200

2,100

1,110

225

1,550

K2N-RTD33102PX1 B 1,902

1,844 1,710

28,900

14,600

3,050

2,950

1,490

310

2,650

K2N-RTD43902PX1 B 2,391

2,364 2,235

27,500

18,600

2,280

2,800

1,900

233

2,600

K2N-RTD56205PX1 B 3,034

3,000 2,846

36,500

22,000

4,500

3,700

2,240

460

3,850

K2N-RTD80602PX1 A 4,321

4,219 4,085

114,000

50,500

17,000

11,600

5,150

1,740

10,300

C-17

●Sealed Spherical Roller Bearings: Model WA ¡ Special contact type rubber seal prevents foreign matter from entering the bearings. ¡ Compact design enables bearings to be mounted with the standard type of plummer blocks (SN5, SN2). ¡ Greasing bearings is possible since lubrication grooves and holes are provided on the outer ring. ¡ Bearings are prelubricated with grease and can be directly mounted on machines.

B r r φD

φd

Cylindrical bore

φd

Tapered bore taper 1:12

d 60∼160mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm

Bearing numbers static kgf 2

rs min1

110

1.5

115

120

1.5

125

130

Cylindrical bore

Tapered bore

Cor

147

11,700

15,000

LH-WA22212BLLS

LH-WA22212BLLSK

143

179

14,600

18,300

LH-WA22213BLLS

LH-WA22213BLLSK

1.5

154

201

15,700

20,500

LH-WA22214BLLS

LH-WA22214BLLSK

1.5

166

223

16,900

22,800

LH-WA22215BLLS

LH-WA22215BLLSK

140

179

239

18,300

24,400

LH-WA22216BLLS

LH-WA22216BLLSK

150

206

272

21,000

27,800

LH-WA22217BLLS

LH-WA22217BLLSK

160

50.4

256

345

26,200

35,000

LH-WA22218BLLS

LH-WA22218BLLSK

170

2.1

294

390

30,000

39,500

WA22219BLLS

WA22219BLLSK

100

180

60.3

2.1

315

415

32,000

42,500

WA22220BLLS

WA22220BLLSK

110

200

69.8

2.1

410

570

42,000

58,000

WA22222BLLS

WA22222BLLSK

120

215

2.1

485

700

49,500

71,500

WA22224BLLS

WA22224BLLSK

130

230

570

790

58,000

80,500

WA22226BLLS

WA22226BLLSK

140

250

685

975

70,000

99,500

WA22228BLLS

WA22228BLLSK

150

270

775

1,160

79,000

119,000

WA22230BLLS

WA22230BLLSK

160

290

104

870

1,290

88,500

132,000

WA22232BLLS

WA22232BLLSK

Cor

Smallest allowable dimension for chamfer dimension r.

"K" indicates bearings have tapered bore with a taper ratio of 1: 12.

C-18

●Sealed Spherical Roller Bearings: Model WA

ra Equivalent bearing load dynamic

Pr＝XFr＋YFa Fa Fa ≦e ＞e Fr Fr X Y X Y 1 Y1 0.67 Y2 static Por＝Fr＋YoFa For values of e, Y2 and Yo see the table below.

ra φDa

φda

Abutment and fillet dimensions

Constant

Axial load factors

Mass (approx.)

mm da

ras

max

kg Cylindrical Tapered bore bore

min

max

68.5

74.5

101.5

1.5

0.27

2.49

3.71

2.44

1.41

1.37

73.5

111.5

1.5

0.28

2.42

3.60

2.37

1.80

1.76

78.5

116.5

1.5

0.26

2.55

3.80

2.50

1.91

1.86

83.5

89.5

121.5

1.5

0.24

2.81

4.19

2.75

2.06

2.00

94.5

130

0.26

2.64

3.93

2.58

2.51

2.45

101

140

0.26

2.60

3.88

2.55

3.08

3.01

100

107

150

0.26

2.55

3.80

2.49

4.08

3.97

107

114

158

0.26

2.63

3.92

2.57

4.71

4.59

112

119

168

0.26

2.55

3.80

2.49

6.01

5.83

122

133

188

0.27

2.51

3.74

2.46

8.87

8.60

132

147

203

0.27

2.47

3.68

2.42

11.2

10.9

144

154

216

2.5

0.28

2.39

3.56

2.33

12.5

12.1

154

168

236

2.5

0.28

2.39

3.55

2.33

16.9

16.3

164

185

256

2.5

0.27

2.46

3.66

2.40

22.6

21.9

174

197

276

2.5

0.28

2.42

3.60

2.37

28.0

27.2

C-19

●Spherical Surface Slide Bearings ¡ These are self-aligning sliding bearings: the sliding parts form a spherical surface. The bearings also can support radial loads and axial loads in either direction. ¡ A lubricant (oil or grease) should be used since the sliding parts are steel on steel. ¡ These bearings are suitable for swinging and aligning movements, and used in joint-movement parts for industrial and construction machines.

Grease up type B C

Allowable adjustment angleα

φd φD

Drawing A Divided by 1 place (outer ring)

Drawing B Divided by 2 place (outer ring)

d 110∼420mm Boundary dimensions

Basic load ratings static dynamic

dynamic

mm d

110

180 180

85 100

180

260

200

static

Bearing numbers

kgf

(deg.)

70 75

160 160

6 10

1,100,000 1,180,000

6,600,000 7,050,000

112,000 120,000

670,000 720,000

W2222 W2225

105

225

1,110,000

6,670,000

113,000

680,000

W3617

290

130

120

250

2,550,000

15,300,000

260,000

1,560,000

W4029

260

430

215

195

375

6,350,000

38,000,000

645,000

3,900,000

W52A07

280

350 430

69 220

69 140

320 375

− 10

2,170,000 4,900,000

13,000,000 29,600,000

221,000 500,000

1,320,000 3,010,000

W5605 W5613

300

440

190

150

380

5,000,000

30,500,000

510,000

3,050,000

W6022

320

440

160

120

380

4,200,000

25,300,000

430,000

2,580,000

W6415

380

480

100

430

−

4,200,000

25,300,000

430,000

2,580,000

W7601

420

540

120

480

−

5,650,000

34,000,000

575,000

3,450,000

W8407

C-20

â&#x2014;?Spherical Surface Slide Bearings

Drawing C Divided by 1 place (outer ring) Plastic sealed

Drawing no.

Mass

Drawing D Divided by 2 place (outer ring) Retaining ring (shrinkage fit) type (D â&#x2030;§ 500mm)

Remarks

kg (approx.)

A C

9.42 10.3

16.1

Inner ring outside dia. with oil groove

33.0

Inner ring outside dia. with oil groove

140

Inner ring outside dia. with oil groove

B B

18.7 106

Without oil hole, oil groove Inner ring outside dia. with oil groove

101

Inner ring outside dia. with oil groove

52.9

Without oil hole, oil groove

85.0

Without oil hole, oil groove

C-21

Catalog List & Appendix Table

●Catalog List

CATALOG TITLES

CATALOG No.

●BALL AND ROLLER BEARINGS Ball and Roller Bearings

2202/C/E/I/P/S

Large Bearings

2250/E/P

Miniature and Extra Small Ball Bearings

3013/E

Miniature Molded Rubber Bearings

3014/E

Ball Bearings Shield and Seal Types

3015/E

Care and Maintenance of Bearings

3017/E/S/P

HL Bearings

3020/E

Bearings with Solid Grease

3022/E/S/P

Large Size, Long Operating Life Bearing-EA type

3024/E/P

Tapered Roller Bearings ECO-Top

3026/E/S/C

Self-Aligning Spherical Roller Bearings LH Series

3027/E/S/C

Bearings for Clean Environment

3028/E

Insulated Bearings-Resin Coated Type

3204/E

Type E Spherical Roller Bearings

3701/E

Sealed Self-Aligning Roller Bearings-WA Type

3702/E/S

Spherical Roller Bearings-UA Type

3710/E

HUB BEARINGS

4601/E

Aerospace Bearings

8102/E

Precision Rolling Bearings for Machine Tools

8401/E

Super High-speed Precision Bearings for Main Spindles of Machine Tools

8403/E

●NEEDLE ROLLER BEARINGS Needle Roller Bearings

2300/E/I/P/S

Miniature Cam Followers

3601/E

●CONSTANT VELOCITY JOINTS Constant Velocity Joints for Automobiles

5601/JE

TRI-Ball Joint / Constant Velocity Joints

5602/E

Constant Velocity Joints for Industrial Machines

5603/E

●BEARING UNITS Bearing Units

2400/E/I/S

Bearing Units with Ductile Cast Iron Housing

3901/E

Bearing Units Steel Series

3902/E

Bearing Units Stainless Series

3903/E

Bearing Units Plastic Housing Series

3904/E

Triple-Sealed Bearings for Bearing Units

3905/E

D-2

●Catalog List

CATALOG TITLES

CATALOG No.

●PLUMMER BLOCKS Plummer Blocks

2500E/S

●PRECISION BALL SCREWS Precision Ball Screws

6000/E

Rolled Ball Screws

6206/E

●PARTS FEEDER Parts Feeder

7018/E

NTN Parts Feeder with Standard Attachments (for Bolts or Washer)

7016/E

●CLUTCHES One-way Clutches (Overrunning Clutches)

6402/E

●PLAIN BEARINGS "BEAREE" NTN Engineering Plastics

5100/E

Miniature Plastic Sliding Screws

5112/E

NTN "BEARPHITE" Oil Impregnated Sintered Bearings

5202/E

Spherical Plain Bearings

5301/E

●HANDBOOK Bearing Units Handbook

9011/E/S

Rolling Bearings Handbook

9012/E

Needle Roller Bearings Handbook

9013/E

●GUIDE BOOK Parts Feeder Guide Book

7019/E

Automotive Products Guide Book

8021/E/D/F/C

New Products Guide

9208/E/C

Food Machinery Component Guide

9209/E

Product Catalog for Paper Manufacturing Machinery

9210/E

Steel Manufacturing Machinery Product Guide Book

9211/E

●ELECTRONIC CATALOG NTN Electronic Catalog (CD-ROM for Windows)

7903/E

NTN Autoparts Catalog (CD-ROM for Windows)

7905/E

Reference Kit Program -Bearing Interchange- (CD-ROM for Windows)

7907/E

●OTHERS Bearing Handling

9103/E/P/S

C:Chinese K:Korean

E:English S:Spanish

F:French T:Thai

D:Germany I:Italian TC: Taipei Chinese

Note : The above are basic numbers. Renewal of the suffix by a revision.

D-3

●Appendix Table

Appendix table 1: Boundary dimensions of radial bearings (Tapered roller bearings not included)-1 Single row radial ball bearings Double row radial ball bearings Cylindrical roller bearings Needle roller bearings Spherical roller bearings

68 78

N28 N38 NN48 NA48

Nominal Diameter bearing bore diameter Nominal

series 7

D 2 2.5 3 4 5

0.8 1 1 1.2 1.5

― ― ― ― ―

― ― 1.8 2 2.3

0.05 2.5 0.05 3 0.05 4 0.05 5 0.08 6

― ― ― ― ―

1 1 1.2 1.5 1.8

3 6 4 7 5 8 6 10 7 11

2 2 2 2.5 2.5

2.5 2.5 2.5 3 3

3 3 3 3.5 3.5

0.08 0.08 0.08 0.1 0.1

7 9 11 13 14

― ― ― ― ―

2 ― 2.5 3.5 3 4 3.5 5 3.5 5

Number

Dimension

― 0.6 1 1 ― 1.5 2 2 ― 2.5

outside diameter of bearing

Nominal outside diameter of Chamfer bearing dimension D γs min

Dimension series

17 27 37 17∼37

08 18 28 38 48 58 68 08 18∼68 Nominal width B ― ― ― ― ―

160

N19 N29 NN39 NN49 NA49 NA59 NA69 239 249 Diameter series 9

Diameter series 8

Nominal outside diameter of Chamfer bearing Nominal width B dimension γs min D

3 4 5 6 7

69 79

60 70

N10 N20 NN30 NN40 230 240 Diameter series 0

Dimension series 09 19 29 39 49 59 69 09 19∼39 49∼69 Chamfer dimension γs min

Nominal width B

Nominal outside diameter of bearing

Dimension series 00 10 20 30 40 50 60 00 10∼60

― ― 6 7 8

― ― ― ― ―

― ― 2.5 2.8 2.8

0.15 ― 0.15 ― 0.2 0.15 0.2 0.15 0.3 0.15

7 12 14 17 19

― ― ― ― ―

0.3 0.3 0.3 0.3 0.3

0.2 0.3 0.3 0.3 0.3

23 30 30 30 30

― 0.3 0.3 0.3 0.3

0.3 0.3 0.3 0.3 0.3

1.4 1.5 2 2.3 2.6

― ― ― ― ―

0.05 ― 0.05 4 0.05 5 0.08 6 0.08 7

― ― ― ― ―

― 1.6 2 2.3 2.5

― ― ― ― ―

― 2.3 2.6 3 3.5

― ― ― ― ―

― 0.1 0.15 0.15 0.15

3 4 5 6 6

― ― ― ― ―

0.1 0.1 0.15 0.15 0.15

8 11 13 15 17

― ― ― ― ―

3 4 4 5 5

― ― ― ― ―

4 5 6 7 7

― ― 10 10 10

― ― ― ― ―

0.2 0.2 0.3 0.3 0.3

19 20 22 24 28

― ― ― ― ―

6 ― 6 ― 6 8 6 8 7 8.5

9 9 10 10 10

11 11 13 13 13

― ― 16 16 18

― ― 22 22 23

7 8.5 9 11 9 11 9 11 9 11

10 13 13 13 13

13 17 17 17 17

18 23 23 23 23

― ― ― ― ―

Chamfer dimension γs min

Nominal width B

― ― ― ― ―

― ― 3 3.5 4

― ― ― ― ―

― ― 0.15 0.15 0.15

3 4 5 6 6

― ― ― ― 8

5 6 7 9 10

― ― ― ― ―

0.15 0.2 0.2 0.3 0.3

22 ― 24 ― 26 ― 7 28 8 32

7 7 8 8 9

9 10 10 10 11

11 12 12 12 13

14 15 16 16 17

19 20 21 21 23

25 ― 0.3 27 ― 0.3 29 ― 0.3 29 0.3 0.3 30 0.3 0.3

35 42 44 47 52

8 8 8 8 8

10 12 12 12 12

12 14 14 14 15

14 16 16 16 18

18 22 22 22 24

24 30 30 30 32

32 40 40 40 43

0.3 0.3 0.3 0.3 0.3

0.3 0.6 0.6 0.6 0.6

8 9 00 01 02

8 9 10 12 15

12 14 15 18 21

2.5 3 3 4 4

― ― ― ― ―

3.5 4.5 4.5 5 5

0.1 0.1 0.1 0.2 0.2

16 17 19 21 24

― ― ― ― ―

4 4 5 5 5

5 5 6 6 6

6 6 7 7 7

8 8 9 9 9

03 04 /22 05 /28

17 20 22 25 28

23 27 ― 32 ―

4 4 ― 4 ―

― ― ― ― ―

5 5 ― 5 ―

0.2 0.2 ― 0.2 ―

26 32 34 37 40

― 4 4 4 4

5 7 7 7 7

6 8 ― 8 ―

7 10 10 10 10

9 12 ― 12 ―

― ― 16 22 16 22 16 22 16 22

― 0.3 0.3 0.3 0.3

0.3 0.3 0.3 0.3 0.3

30 37 39 42 45

― 7 7 7 7

06 /32 07 08 09

30 32 35 40 45

37 ― 44 ― ―

4 ― 5 ― ―

― ― ― ― ―

5 ― ― ― ―

0.2 ― 0.3 ― ―

42 44 47 52 58

4 4 4 4 4

7 7 7 7 7

8 ― 8 8 8

10 10 10 10 10

12 ― 12 12 13

16 16 16 16 18

22 22 22 22 23

0.3 0.3 0.3 0.3 0.3

47 52 55 62 68

7 7 7 8 8

9 10 10 12 12

11 13 13 14 14

13 15 15 16 16

17 20 20 22 22

23 27 27 30 30

30 36 36 40 40

0.3 0.3 0.3 0.3 0.3

0.3 0.6 0.6 0.6 0.6

55 58 62 68 75

9 9 9 9 10

13 13 14 15 16

16 16 17 18 19

19 20 20 21 23

25 26 27 28 30

34 35 36 38 40

45 47 48 50 54

0.3 0.3 0.3 0.3 0.3

1 1 1 1 1

10 11 12 13 14

50 55 60 65 70

― ― ― ― ―

65 72 78 85 90

5 7 7 7 8

7 9 10 10 10

10 11 12 13 13

12 13 14 15 15

15 17 18 20 20

20 23 24 27 27

27 30 32 36 36

0.3 0.3 0.3 0.3 0.3

0.3 72 0.3 80 0.3 85 0.6 90 0.6 100

8 9 9 9 10

12 13 13 13 16

14 16 16 16 19

16 19 19 19 23

22 25 25 25 30

30 34 34 34 40

40 45 45 45 54

0.3 0.3 0.3 0.6 0.6

0.6 1 1 1 1

0.6 80 1 90 1 95 1 100 1 110

10 11 11 11 13

16 18 18 18 20

19 22 22 22 24

23 26 26 26 30

30 35 35 35 40

40 46 46 46 54

54 63 63 63 71

0.6 0.6 0.6 0.6 0.6

1 1.1 1.1 1.1 1.1

15 16 17 18 19

75 80 85 90 95

― ― ― ― ―

95 100 110 115 120

8 8 9 9 9

10 10 13 13 13

13 13 16 16 16

15 15 19 19 19

20 20 25 25 25

27 27 34 34 34

36 36 45 45 45

0.3 0.3 0.3 0.3 0.3

0.6 0.6 1 1 1

105 110 120 125 130

10 10 11 11 11

16 16 18 18 18

19 19 22 22 22

23 23 26 26 26

30 30 35 35 35

40 40 46 46 46

54 54 63 63 63

0.6 0.6 0.6 0.6 0.6

1 1 1.1 1.1 1.1

115 125 130 140 145

13 14 14 16 16

20 22 22 24 24

24 27 27 30 30

30 34 34 37 37

40 45 45 50 50

54 60 60 67 67

71 80 80 90 90

0.6 0.6 0.6 1 1

1.1 1.1 1.1 1.5 1.5

20 21 22 24 26

100 105 110 120 130

― ― ― ― ―

9 125 9 130 140 10 150 10 165 11

13 13 16 16 18

16 16 19 19 22

19 19 23 23 26

25 25 30 30 35

34 34 40 40 46

45 45 54 54 63

0.3 0.3 0.6 0.6 0.6

1 1 1 1 1.1

140 145 150 165 180

13 13 13 14 16

20 20 20 22 24

24 24 24 27 30

30 30 30 34 37

40 40 40 45 50

54 54 54 60 67

71 71 71 80 90

0.6 0.6 0.6 0.6 1

1.1 1.1 1.1 1.1 1.5

150 160 170 180 200

16 18 19 19 22

24 26 28 28 33

30 33 36 36 42

37 41 45 46 52

50 56 60 60 69

67 75 80 80 95

100 109 109 109 125

1 1 1 1 1.1

1.5 2 2 2 2

28 30 32 34 36

140 150 160 170 180

― ― ― ― ―

175 190 200 215 225

11 13 13 14 14

18 20 20 22 22

22 24 24 27 27

26 30 30 34 34

35 40 40 45 45

46 54 54 60 60

63 71 71 80 80

0.6 0.6 0.6 0.6 0.6

1.1 1.1 1.1 1.1 1.1

190 210 220 230 250

16 19 19 19 22

24 28 28 28 33

30 36 36 36 42

37 45 45 45 52

50 60 60 60 69

67 80 80 80 95

90 109 109 109 125

1 1 1 1 1.1

1.5 2 2 2 2

210 225 240 260 280

22 24 25 28 31

33 35 38 42 46

42 45 48 54 60

53 69 56 75 60 80 67 90 74 100

65 100 109 122 136

125 136 145 160 180

1.1 1.1 1.5 1.5 2

2 2.1 2.1 2.1 2.1

38 40 44 48 52

190 200 220 240 260

― ― ― ― ―

240 250 270 300 320

16 16 16 19 19

24 24 24 28 28

30 30 30 36 36

37 37 37 45 45

50 50 50 60 60

67 90 1 67 90 1 67 90 1 80 100 1 80 100 1

1.5 1.5 1.5 2 2

260 280 300 320 360

22 25 25 25 31

33 38 38 38 46

42 48 48 48 60

52 69 60 80 60 80 60 80 75 100

95 109 109 109 136

125 145 145 145 180

1.1 1.5 1.5 1.5 2

2 2.1 2.1 2.1 2.1

290 310 340 360 400

31 34 37 37 44

46 51 56 56 65

60 75 66 82 72 90 72 92 82 104

100 109 118 118 140

136 150 160 160 190

180 200 218 218 250

2 2 2.1 2.1 3

2.1 2.1 3 3 4

56 60 64 68 72

280 300 320 340 360

― ― ― ― ―

350 380 400 420 440

22 25 25 25 25

33 38 38 38 38

42 48 48 48 48

52 60 60 60 60

69 80 80 80 80

95 109 109 109 109

125 145 145 145 145

1.1 1.5 1.5 1.5 1.5

2 2.1 2.1 2.1 2.1

380 420 440 460 480

31 37 37 37 37

46 56 56 56 56

60 72 72 72 72

75 90 90 90 90

100 118 118 118 118

136 160 160 160 160

180 218 218 218 218

2 2.1 2.1 2.1 2.1

2.1 3 3 3 3

420 460 480 520 540

44 50 50 57 57

65 82 106 74 95 118 74 95 121 82 106 133 82 106 134

140 160 160 180 180

190 218 218 243 243

250 290 290 325 325

3 4 4 4 4

4 4 4 5 5

76 80 84 88 92

380 400 420 440 460

― ― ― ― ―

480 500 520 540 580

31 31 31 31 37

46 46 46 46 56

60 60 60 60 72

75 75 75 75 90

100 100 100 100 118

136 136 136 136 160

180 180 180 180 218

2 2 2 2 2.1

2.1 2.1 2.1 2.1 3

520 540 560 600 620

44 44 44 50 50

65 65 65 74 74

82 82 82 95 95

106 106 106 118 118

140 140 140 160 160

190 190 190 218 218

250 250 250 290 290

3 3 3 4 4

4 4 4 4 4

560 600 620 650 680

57 82 63 90 63 90 67 94 71 100

106 118 118 122 128

135 148 150 157 163

180 200 200 212 218

243 272 272 280 300

325 355 355 375 400

4 5 5 5 5

5 5 5 6 6

96 /500 /530 /560 /600

480 500 530 560 600

― ― ― ― ―

600 620 650 680 730

37 37 37 37 42

56 56 56 56 60

72 72 72 72 78

90 90 90 90 98

118 118 118 118 128

160 160 160 160 175

218 218 218 218 236

2.1 2.1 2.1 2.1 3

3 3 3 3 3

650 670 710 750 800

54 54 57 60 63

78 78 82 85 90

100 100 106 112 118

128 128 136 140 150

170 170 180 190 200

230 230 243 258 272

308 308 325 345 355

4 4 4 5 5

5 5 5 5 5

700 720 780 820 870

71 71 80 82 85

100 100 112 115 118

128 128 145 150 155

165 167 185 195 200

218 218 250 258 272

300 300 335 355 365

400 400 450 462 488

5 5 6 6 6

6 6 6 6 6

/630 /670 /710 /750 /800

630 670 710 750 800

― ― ― ― ―

780 820 870 920 980

48 48 50 54 57

69 88 112 69 88 112 74 95 118 78 100 128 82 106 136

150 150 160 170 180

200 200 218 230 243

272 272 290 308 325

3 3 4 4 4

4 4 4 5 5

850 900 950 1000 1060

71 73 78 80 82

100 103 106 112 115

128 136 140 145 150

165 170 180 185 195

218 230 243 250 258

300 308 325 335 355

400 412 438 450 462

5 5 5 6 6

6 6 6 6 6

920 980 1030 1090 1150

92 100 103 109 112

128 136 140 150 155

170 180 185 195 200

212 230 236 250 258

290 308 315 335 345

388 425 438 462 475

515 560 580 615 630

6 6 6 7.5 7.5

7.5 7.5 7.5 7.5 7.5

/850 850 /900 900 /950 950 /1000 1000 /1060 1060

― ― ― ― ―

1030 1090 1150 1220 1280

57 82 60 85 63 63 71 90 71 100

106 112 118 128 128

136 140 150 165 165

180 190 200 218 218

243 258 272 300 300

325 345 355 400 400

4 5 5 5 5

5 5 5 6 6

1120 85 118 1180 88 122 1250 95 132 1320 103 140 1400 109 150

155 165 175 185 195

200 206 224 236 250

272 280 300 315 335

365 375 400 438 462

488 500 545 580 615

6 6 6 6 7.5

6 6 7.5 7.5 7.5

1220 1280 1300 1420 1500

118 122 132 136 140

165 170 180 185 195

212 218 236 243 250

272 280 300 308 325

365 375 412 412 438

500 515 560 560 600

670 690 730 750 800

7.5 7.5 7.5 7.5 9.5

/1120 1120 /1180 1180 /1250 1250 /1320 1320 /1400 1400

― ― ― ― ―

1360 1420 1500 1600 1700

78 78 80 88 95

106 106 112 122 132

140 140 145 165 175

180 180 185 206 224

243 243 250 280 300

325 325 335 375 400

438 438 450 500 545

5 5 6 6 6

6 6 6 6 7.5

1460 1540 1630 1720 1820

109 115 122 128 ―

150 160 170 175 185

195 206 218 230 243

250 272 280 300 315

335 355 375 400 425

462 488 515 545 ―

615 650 690 710 ―

7.5 7.5 7.5 7.5 ―

7.5 7.5 7.5 7.5 9.5

1580 1660 1750 1850 1950

145 155 ― ― ―

200 212 218 230 243

265 272 290 300 315

345 355 375 400 412

462 615 825 9.5 9.5 475 650 875 9.5 9.5 500 ― ― ― 9.5 530 ― ― ― 12 545 ― ― ― 12

/1500 1500 /1600 1600 /1700 1700 /1800 1800 /1900 1900

― ― ― ― ―

1820 1950 2060 2180 2300

― ― ― ― ―

140 155 160 165 175

185 200 206 218 230

243 265 272 290 300

315 345 355 375 400

― ― ― ― ―

7.5 7.5 7.5 9.5 9.5

1950 2060 2180 2300 2430

― ― ― ― ―

195 200 212 218 230

258 265 280 290 308

335 345 355 375 400

450 462 475 500 530

― ― ― ― ―

9.5 9.5 9.5 12 12

2120 2240 2360 2500 ―

― ― ― ― ―

272 280 290 308 ―

355 365 375 400 ―

462 475 500 530 ―

615 630 650 690 ―

― ― ― ― ―

/2000 2000 ―

―

― 2430

― 190 250 325 425 ―

―

― 9.5

―

― ―

D-4

12 12 15 15 ―

●Appendix Table

Appendix table 1: Boundary dimensions of radial bearings (Tapered roller bearings not included)-2 Single row radial ball bearings Double row radial ball bearings Cylindrical roller bearings Needle roller bearings Spherical roller bearings

62 72

NN31

Dimension

Number ― 1 ― 2 ―

― ― ― ― ―

outside diameter of bearing

Dimension series 01 11 21 31 41 01 Nominal width B

42 22

52 32

N22 N32

Nominal outside 11∼41 diameter of Chamfer bearing dimension γs min D

― ― ― ― ―

Dimension series 82 02 12 22 32 42 Nominal width B ― ― ― ― ―

― ― ― ― ―

N23 N33

83 03 13 23 33 Nominal width B

― ― ― ― ―

― 5 ― 7 ― 8 ― 10 ― 11

― ― ― ― ―

0.1 0.15 0.15 0.2 0.3

0.15 0.2 0.3 0.3 0.3

13 16 19 22 26

― ― ― ― ―

53 33

Diameter series 4 Nominal Dimension series outside 83 03∼33 diameter 04 24 Chamfer of Chamfer bearing Nominal dimension width γs min dimension D γs min B

Dimension series

― ― ― ― ―

4 5 5 6 7

― ― ― ― ―

Nominal outside 82 02∼42 diameter of Chamfer bearing dimension D γs min

― ― ― ― ―

43 23

213 223 Diameter series 3

― ― ― ― ―

64 74

623 633

13 N3

222 232 Diameter series 2

231 241 Diameter series 1

Nominal bearing bore diameter Nominal

63 73

1,22 1,32

12 N2

― ― ― ― ―

5 5 6 7 9

― ― ― ― ―

― 7 ― 9 ― 10 11 13 13 15

― ― ― ― ―

0.2 0.3 0.3 0.3 0.3

― ― ― ― ―

10 11 12 13 15

― ― ― ― ―

3 4 5 6 7

― ― ― ― ―

10 2.5 13 3 16 3.5 19 4 22 5

8 9 00 01 02

8 9 10 12 15

― ― ― ― ―

24 26 30 32 35

5 6 7 7 8

8 8 9 10 11

― ― ― ― ―

― ― 14 14 14

12 13 14.3 15.9 15.9

― ― ― ― 20

0.3 0.3 0.3 0.3 0.3

0.3 0.3 0.6 0.6 0.6

28 ― 30 ― 9 35 9 37 9 42

9 10 11 12 13

― ― ― ― ―

13 14 17 17 17

15 16 19 19 19

― ― 0.3 0.3 0.3

0.3 0.6 0.6 1 1

30 32 37 42 52

14 15 16 19 24

0.6 0.6 0.6 1 1.1

03 04 /22 05 /28

17 20 22 25 28

― ― ― ― ―

40 8 47 9 50 9 52 10 58 10

12 14 14 15 16

― ― ― ― ―

16 18 18 18 19

17.5 20.6 20.6 20.6 23

22 27 27 27 30

0.3 0.3 0.3 0.3 0.6

0.6 1 1 1 1

47 52 56 62 68

10 10 11 12 13

14 15 16 17 18

― ― ― ― ―

19 21 21 24 24

22.2 22.2 25 25.4 30

0.6 0.6 0.6 0.6 0.6

1 1.1 1.1 1.1 1.1

62 17 29 72 19 33 ― ― ― 80 21 36 ― ― ―

1.1 1.1 ― 1.5 ―

06 /32 07 08 09

30 32 35 40 45

― ― ― ― ―

62 65 72 80 85

10 11 12 13 13

16 17 17 18 19

― ― ― ― ―

20 21 23 23 23

23.8 25 27 30.2 30.2

32 33 37 40 40

0.6 0.6 0.6 0.6 0.6

1 72 1 75 1.1 80 1.1 90 1.1 100

13 14 14 16 17

19 20 21 23 25

― ― ― ― ―

27 28 31 33 36

30.2 32 34.9 36.5 39.7

0.6 0.6 0.6 1 1

1.1 90 23 40 1.1 ― ― ― 1.5 100 25 43 1.5 110 27 46 1.5 120 29 50

1.5 ― 1.5 2 2

10 11 12 13 14

50 55 60 65 70

― ― ― ― ―

90 100 110 125 125

13 14 16 18 18

20 21 22 23 24

― ― ― ― ―

23 25 28 31 31

30.2 33.3 36.5 38.1 39.7

40 45 50 56 56

0.6 1 1 1 1

1.1 1.5 1.5 1.5 1.5

110 120 130 140 150

19 21 22 24 25

27 29 31 33 35

― ― ― ― ―

40 43 46 48 51

44.4 49.2 54 58.7 63.5

1 1.1 1.1 1.1 1.5

2 2 2.1 2.1 2.1

130 140 150 160 180

31 33 35 37 42

53 57 60 64 74

2.1 2.1 2.1 2.1 3

15 16 17 18 19

75 ― ― 80 ― ― 85 ― ― 90 150 ― 95 160 ―

― ― ― ― ―

― ― ― 60 65

― ― ― ― ―

― ― ― 2 2

130 140 150 160 170

18 19 21 22 24

25 26 28 30 32

― ― ― ― ―

31 33 36 40 43

41.3 44.4 49.2 52.4 55.6

56 60 65 69 75

1 1 1.1 1.1 1.1

1.5 2 2 2 2.1

160 170 180 190 200

27 28 30 30 33

37 39 41 43 45

― ― ― ― ―

55 58 60 64 67

68.3 68.3 73 73 77.8

1.5 1.5 2 2 2

2.1 2.1 3 3 3

190 200 210 225 240

45 48 52 54 55

77 80 86 90 95

3 3 4 4 4

1.5 1.5 1.5 ― ―

2.1 2.1 2.1 2.1 3

215 225 240 260 280

36 37 42 44 48

47 49 50 55 58

51 53 57 62 66

73 77 80 86 93

82.6 87.3 92.1 106 112

2.1 2.1 3 3 3

3 3 3 3 4

250 260 280 310 340

58 60 65 72 78

98 100 108 118 128

4 4 4 5 5

62 65 68 72 75

70 75 79 84 88

102 108 114 120 126

20 21 22 24 26

100 105 110 120 130

165 175 180 200 210

21 22 22 25 25

30 33 33 38 38

39 42 42 48 48

52 56 56 62 64

65 69 69 80 80

1.1 1.1 1.1 1.5 1.5

2 2 2 2 2

180 190 200 215 230

25 27 28 ― ―

34 36 38 40 40

― ― ― 42 46

46 50 53 58 64

60.3 80 65.1 85 69.8 90 76 95 80 100

28 30 32 34 36

140 150 160 170 180

225 250 270 280 300

27 31 34 34 37

40 46 51 51 56

50 60 66 66 72

68 80 86 88 96

85 100 109 109 118

1.5 2 2 2 2.1

2.1 2.1 2.1 2.1 3

250 270 290 310 320

― ― ― ― ―

42 45 48 52 52

50 54 58 62 62

68 73 80 86 86

88 96 104 110 112

109 118 128 140 140

― ― ― ― ―

3 3 3 4 4

300 320 340 360 380

50 ― ― ― ―

118 128 136 140 150

4 ― ― ― ―

4 4 4 4 4

360 380 400 420 440

82 85 88 92 95

132 138 142 145 150

5 5 5 5 6

38 40 44 48 52

190 200 220 240 260

320 340 370 400 440

42 44 48 50 57

60 78 65 82 69 88 74 95 82 106

104 112 120 128 144

128 140 150 160 180

3 3 3 4 4

3 3 4 4 4

340 360 400 440 480

― ― ― ― ―

55 58 65 72 80

65 92 120 150 70 98 128 160 78 108 144 180 85 120 160 200 90 130 174 218

― ― ― ― ―

4 4 4 4 5

400 420 460 500 540

― 78 92 132 155 ― 80 97 138 165 ― 88 106 145 180 ― 95 114 155 195 ― 102 123 165 206

― ― ― ― ―

5 5 5 5 6

460 480 540 580 620

98 102 115 122 132

155 160 180 190 206

6 6 6 6 7.5

56 60 64 68 72

280 300 320 340 360

460 500 540 580 600

57 82 106 146 63 90 118 160 71 100 128 176 78 106 140 190 78 106 140 192

180 200 218 243 243

4 5 5 5 5

5 5 5 5 5

500 540 580 620 650

― ― ― ― ―

80 90 130 176 85 98 140 192 92 105 150 208 92 118 165 224 95 122 170 232

218 243 258 280 290

― ― ― ― ―

5 5 5 6 6

580 620 670 710 750

― ― ― ― ―

108 109 112 118 125

132 140 155 165 170

175 185 200 212 224

224 236 258 272 290

― ― ― ― ―

6 7.5 7.5 7.5 7.5

670 710 750 800 850

140 150 155 164 180

224 236 250 265 280

7.5 7.5 9.5 9.5 9.5

76 80 84 88 92

380 400 420 440 460

620 650 700 720 760

78 80 88 88 95

106 112 122 122 132

140 145 165 165 175

194 200 224 226 240

243 250 280 280 300

5 6 6 6 6

5 6 6 6 7.5

680 720 760 790 830

― ― ― ― ―

95 103 109 112 118

132 140 150 155 165

175 185 195 200 212

240 256 272 280 296

300 315 335 345 365

― ― ― ― ―

6 6 7.5 7.5 7.5

780 820 850 900 950

― ― ― ― ―

128 136 136 145 155

175 185 190 200 212

230 243 250 265 280

300 308 315 345 365

― ― ― ― ―

7.5 7.5 9.5 9.5 9.5

900 950 980 1030 1060

190 200 206 212 218

300 315 325 335 345

9.5 12 12 12 12

96 /500 /530 /560 /600

480 500 530 560 600

790 830 870 920 980

100 106 109 115 122

136 145 150 160 170

180 190 195 206 218

248 264 272 280 300

308 325 335 355 375

6 7.5 7.5 7.5 7.5

7.5 7.5 7.5 7.5 7.5

870 920 980 1030 1090

― ― ― ― ―

125 136 145 150 155

170 185 200 206 212

224 243 258 272 280

310 336 355 365 388

388 412 450 475 488

― ― ― ― ―

7.5 7.5 9.5 9.5 9.5

980 1030 1090 1150 1220

― ― ― ― ―

160 170 180 190 200

218 230 243 258 272

290 300 325 335 355

375 388 412 438 462

― ― ― ― ―

9.5 12 12 12 15

1120 1150 1220 1280 1360

230 236 250 258 272

365 375 400 412 438

15 15 15 15 15

/630 /670 /710 /750 /800

630 1030 670 1090 710 1150 750 1220 800 1280

128 136 140 150 155

175 185 195 206 212

230 243 250 272 272

315 336 345 365 375

400 412 438 475 475

7.5 7.5 9.5 9.5 9.5

1150 1220 1280 1360 1420

― ― ― ― ―

165 175 180 195 200

230 243 250 265 272

300 315 325 345 355

412 438 450 475 488

515 545 560 615 615

― ― ― ― ―

12 12 12 15 15

1280 1360 1420 1500 1600

― ― ― ― ―

206 218 224 236 258

280 300 308 325 355

375 400 412 438 462

488 515 530 560 600

― ― ― ― ―

15 1420 280 450 15 15 1500 290 475 15 15 ― ― ― ― 15 ― ― ― ― 15 ― ― ― ―

/850 850 1360 /900 900 1420 /950 950 1500 /1000 1000 1580 /1060 1060 1660

165 165 175 185 190

224 230 243 258 265

290 300 315 335 345

400 412 438 462 475

500 515 545 580 600

12 12 12 12 12

12 12 12 12 15

1500 1580 1660 1750 ―

― ― ― ― ―

206 218 230 243 ―

280 300 315 330 ―

375 388 412 425 ―

515 515 530 560 ―

650 670 710 750 ―

― ― ― ― ―

15 15 15 15 ―

1700 1780 1850 1950 ―

― ― ― ― ―

272 280 290 300 ―

375 388 400 412 ―

488 500 515 545 ―

630 650 670 710 ―

― ― ― ― ―

19 19 19 19 ―

― ― ― ― ―

/1120 1120 1750 /1180 1180 1850 /1250 1250 1950 /1320 1320 2060 /1400 1400 2180

― ― ― ― ―

280 290 308 325 345

365 388 400 425 450

475 500 530 560 580

630 670 710 750 775

― ― ― ― ―

15 15 15 15 19

― ― ― ― ―

/1500 1500 2300 ― 355 462 600 800 ―

―

D-5

●Appendix Table

Appendix table 2: Comparison of SI, CGS and gravity units-1 Unit system

Quantity

SI CGS system Gravitation system

Length L m cm m

Mass M kg g kgf・s2/m

Time T s s s

Acceleration m/s2 Gal m/s2

Force N dyn kgf

Stress Pa dyn/cm2 kgf/m2

Pressure Pa dyn/cm2 kgf/m2

Energy J erg kgf・m

Appendix table 3: SI-customary unit conversion table-1 Quantity Angle

Length

Area

Volume

Mass

Time

Speed Frequency and vibration Revolutions (rotational speed) Angular speed Acceleration

Force Force moment Inertia moment Stress

Pressure

Energy

Power rate and power

Unit designation Degree Minute Second Meter Micron Angstrom Square meter Are Hectare Cubic meter Liter Kilogram Ton Kilogram force / square second per meter Second Minute Hour Day Meters per second Knot Cycle Revolutions per minute (rpm) Radians per second Meters per square second G Kilogram force Ton force Dyne Kilogram force / meter Kilogram force / meter / square second Kilogram force per square meter Kilogram force per square meter Meter water column Meter of mercury Torr Atmosphere Bar Erg IT calorie Kilogram force / meter Kilowatt hour Metric horsepower per hour Watt Metric horsepower Kilogram force / meter per second

Symbol ° ′ ″ （sec） m μ Å m2 a ha m3 R.L kg t kgf・s2/m s min h d m/s kn s-1（pps） rpm（r/min） rad/s m/s2 G kgf tf dyn kgf・m kgf・m・s2 kgf/m2 kgf/m2 mH2O mHg Torr atm bar erg calIT kgf・m kW・h PS・h W PS kgf・m/s

Conversion rate to SI π/180 π/10 800 π/648 000 1 -6 10 -10 10 1 2 10 4 10 1 -3 10 1 3 10 9.806 65 1 60 3 600 86 400 1 1 852/3 600 1 1/60 1 1 9.806 65 9.806 65 9 806.65 -5 10 9.806 65 9.806 65 9.806 65 9.806 65 9 806.65 101 325/0.76 101 325/760 101 325 5 10 -7 10 4.186 8 9.806 65 6 3.600×10 6 2.647 79×10 1 735.5 9.806 65

D-6

SI unit designation Radian

Symbol rad

Meter

Square meter

Cubic meter

Kilogram

Second

Meters per second

m/s

Hertz Per second Radians per second

Hz s-1 rad/s

Meters per second square

m/s2

Newton Newton meter Kilogram / square meter Pascal or newton per square meter

Pascal

N N・m kg・m2 Pa or N/m2

Joule

Watt

●Appendix Table

Appendix table 2: Comparison of SI, CGS and gravity units-2 Unit system

Quantity

SI CGS system Gravitation system

Power rate W erg/s kgf・m/s

Temperature K ° C ° C

Viscosity Pa・s P kgf・s/m2

Dynamic viscosity Magnetic flux m2/s Wb St Mx m2/s ―

Flux density T Gs ―

Magnetic field strength A/m Oe ―

Appendix table 3: SI-customary unit conversion table-2 Quantity Viscosity

Dynamic viscosity Temperature Radioactive Dosage Absorption dosage Dosage equivalent Magnetic flux Flux density Magnetic field strength Quantity of electricity Potential difference Electric resistance Current

Unit designation Poise Centipoise Kilogram force / square second per meter Stoke Centistoke Degree Curie Roentgen Rad Rem Maxwell Gamma Gauss Oersted Coulomb Volt Ohm Ampere

Symbol P cP kgf・s/m2 St cSt ˚C Ci R rad rem Mx γ Gs Oe C V Ω A

Conversion rate to SI -1 10 -3 10 9.806 65 -4 10 -6 10 +273.15 10 3.7×10 -4 2.58×10 -2 10 -2 10 -8 10 -9 10 -4 10 3 10 /4π 1 1 1 1

Appendix table 4: Tenth power multiples of SI unit Multiples of unit 18 10 15 10 12 10 9 10 6 10 3 10 2 10 10

Name Exa Peta Tera Giga Mega Kilo Hecto Deca

Prefix Symbol E P T G M k h da

Multiples of unit -1 10 -2 10 -3 10 -6 10 -9 10 -12 10 -15 10 -18 10

Prefix Name Symbol Deci d Centi c Mili m Micro μ Nano n Pico p Femto f Ato a

D-7

SI unit designation Pascal second

Symbol Pa・s

Square meter per second

m2/s

Kelvin Becquerel Coulombs per kilogram Gray Sievert Weber

K Bq C/kg Gy Sv Wb

Tesla Amperes per meter Coulomb Volt Ohm Ampere

T A/m C V Ω A

●Appendix Table

Appendix table 5: Dimensional tolerance for shafts Diameter division mm

over 3 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 450 500 560 630 710 800 900 1 000 1 120 1 250 1 400

incl. 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 450 500 560 630 710 800 900 1 000 1 120 1 250 1 400 1 600

Diameter division mm

over 3 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 450 500 560 630 710 800 900 1 000 1 120 1 250 1 400

a13

c12

−

−260 −304 −145 −189

−

− − 76 −120

−

−22 − 66

−

−290 −340 −160 −210

−

− − 80 −130

−

−24 − 74

−

−320 −376 −170 −226

−

− − 86 −142

−

−26 − 82

−

−350 −416 −195 −261

−

− − 98 −164

−

−28 − 94

−

−390 −468 −220 −298

−

− −110 −188

−

−30 −108

＋6

− 5 ＋ 5.5

＋6

high −10 −13 −16 −20

low −15 −19 −24 −29

high − 10 − 13 − 16 − 20

low − 18 − 22 − 27 − 33

high − 4 − 5 − 6 − 7

low −9 −11 −14 −16

high − 4 − 5 − 6 − 7

low − 12 − 14 − 17 − 20

− 80 − 96 − 50 − 66 − 50 − 440 −25 −36 − 25 − 41 − 9 −20 − 9 − 25 −100 −119 − 60 − 79 − 60 − 520 −30 −43 − 30 − 49 −10 −23 −10 − 29 −120 −142 − 72 − 94 − 72 − 612 −36 −51 − 36 − 58 −12 −27 −12 − 34 −145 −170 − 85 −110 − 85 − 715 −43 −61 − 43 − 68 −14 −32 −14 − 39 −170 −199 −100 −129 −100 − 820 −50 −70 − 50 − 79 −15 −35 −15 − 44 −190 −222 −110 −142 −110 − 920 −56 −79 − 56 − 88 −17 −40 −17 − 49 −210 −246 −125 −161 −125 −1 015 −62 −87 − 62 − 98 −18 −43 −18 − 54 −230 −270 −135 −175 −135 −1 105 −68 −95 − 68 −108 −20 −47 −20 − 60

js5

low − 2.5 − 3 − 4 − 4.5

low − 200 − 245 − 302 − 370

−

high ＋ 2.5 ＋ 3 ＋ 4 ＋ 4.5

high − 20 − 25 − 32 − 40

−

low − 2 − 2 − 3 − 4

low − 28 − 34 − 43 − 53

low − 190 − 230 − 275 − 320 − 370 − 380 − 440 − 450 − 520 − 530 − 600 − 610 − 630 − 700 − 720 − 740 − 820 − 850 − 930 − 970 −1 070 −1 110

high ＋3 ＋4 ＋5 ＋5

high − 20 − 25 − 32 − 40

high − 70 − 80 − 95 −110 −120 −130 −140 −150 −170 −180 −200 −210 −230 −240 −260 −280 −300 −330 −360 −400 −440 −480

incl. 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 450 500 560 630 710 800 900 1 000 1 120 1 250 1 400 1 600

low − 38 − 49 − 61 − 78

e13

low − 450 − 500 − 560 − 630 − 700 − 710 − 800 − 820 − 920 − 950 −1 090 −1 150 −1 210 −1 380 −1 460 −1 540 −1 730 −1 860 −2 090 −2 240 −2 470 −2 620

high − 30 − 40 − 50 − 65

high − 270 − 280 − 290 − 300 − 310 − 320 − 340 − 360 − 380 − 410 − 460 − 520 − 580 − 660 − 740 − 820 − 920 −1 050 −1 200 −1 350 −1 500 −1 650

high ＋ 6 ＋ 7 ＋ 8 ＋ 9

js6

low − 2 − 2 − 3 − 4

high ＋ 4 ＋ 4.5 ＋ 5.5 ＋ 6.5

low − 4 − 4.5 − 5.5 − 6.5

high ＋ 8 ＋10 ＋12 ＋13

low − 4 − 5 − 6 ー 8

high ＋ 5 ＋ 5 ＋ 6 ＋ 8

low ＋1 ＋1 ＋1 ＋2

high ＋ 6 ＋ 7 ＋ 9 ＋11

− 5.5 ＋11 − 5 ＋ 8

− 8

＋15 ー10

＋ 9

＋2 ＋13

ー 7 ＋ 6.5

− 6.5 ＋12 − 7 ＋ 9.5

− 9.5 ＋18 ー12

＋10

＋6

ー 9 ＋ 7.5

− 7.5 ＋13 − 9 ＋11

−11

＋20 ー15

＋7

−11 ＋ 9

− 9

＋14 −11 ＋12.5

＋7

−13 ＋10

−10

＋16 −13 ＋14.5

＋7

−16 ＋11.5

−11.5 ＋16 −16 ＋16

＋7

−18 ＋12.5

＋7

−20 ＋13.5

k6 low ＋1 ＋1 ＋1 ＋2

high ＋ 9 ＋10 ＋12 ＋15

m5 low ＋1 ＋1 ＋1 ＋2

high ＋ 9 ＋12 ＋15 ＋17

low ＋ 4 ＋ 6 ＋ 7 ＋ 8

＋2 ＋18

＋2 ＋20

＋ 9

＋2 ＋15

＋2 ＋21

＋2 ＋24

＋11

＋13

＋3 ＋18

＋3 ＋25

＋3 ＋28

＋13

−12.5 ＋22 ー18

＋15

＋3 ＋21

＋3 ＋28

＋3 ＋33

＋15

−14.5 ＋25 −21

＋18

＋4 ＋24

＋4 ＋33

＋4 ＋37

＋17

−16

＋26 −26

＋20

＋4 ＋27

＋4 ＋36

＋4 ＋43

＋20

−12.5 ＋18 −18 ＋18

−18

＋29 −28

＋22

＋4 ＋29

＋4 ＋40

＋4 ＋46

＋21

−13.5 ＋20 −20 ＋20

−20

＋31 ー32

＋25

＋5 ＋32

＋5 ＋45

＋5 ＋50

＋23

−

＋22

−22

−

＋44

−

＋25

−25

−

＋50

−

＋28

−28

−

＋56

−

＋33

−33

−

＋66

−

＋39

−39

−

＋78

−

D-8

●Appendix Table

Unit μm h4

high low high low high low high low high low high 0 − 4 0 − 5 0 − 8 0 − 12 0 − 18 0 0 − 4 0 − 6 0 − 9 0 − 15 0 − 22 0 0 − 5 0 − 8 0 −11 0 − 18 0 − 27 0 0 − 6 0 − 9 0 −13 0 − 21 0 − 33 0

h10

low − 30 − 36 − 43 − 52

high 0 0 0 0

h11

js4

h13

low high low high low high − 48 0 − 75 0 −180 ＋ 2 − 58 0 − 90 0 −220 ＋ 2 − 70 0 −110 0 −270 ＋ 2.5 − 84 0 −130 0 −330 ＋ 3

low − 2 − 2 − 2.5 − 3

− 7

0 − 11 0

−16

− 25

− 39 0

− 62 0

−100

−160

−390 ＋ 3.5

− 3.5

− 8

−13 0

−19

− 30

− 46 0

− 74 0

−120

−190

−460 ＋ 4

− 4

−10

−15 0

−22

− 35

− 54 0

− 87 0

−140

−220

−540 ＋ 5

− 5

−12

−18 0

−25

− 40

− 63 0

−100 0

−160

−250

−630 ＋ 6

− 6

−14

−20 0

−29

− 46

− 72 0

−115 0

−185

−290

−720 ＋ 7

− 7

−16

−23 0

−32

− 52

− 81 0

−130 0

−210

−320

−810 ＋ 8

− 8

−18

−25 0

−36

− 57

− 89 0

−140 0

−230

−360

−890 ＋ 9

− 9

−20

−27 0

−40

− 63

− 97 0

−155 0

−250

−400

−970 ＋10

−10

−

−44

− 70

−110 0

−175 0

−280

−440

−

−50

− 80

−125 0

−200 0

−320

−500

−

−56

− 90

−140 0

−230 0

−360

−560

−

−66

−105

−165 0

−260 0

−420

−660

−

−78

−125

−195 0

−310 0

−500

−780

−

n5 high ＋13 ＋16 ＋20 ＋24

low ＋ 8 ＋10 ＋12 ＋15

high ＋ 16 ＋ 19 ＋ 23 ＋ 28

p5 low ＋ 8 ＋10 ＋12 ＋15

high ＋17 ＋21 ＋26 ＋31

high ＋ 12 ＋ 15 ＋ 18 ＋ 21

low ＋ 4 ＋ 6 ＋ 7 ＋ 8

low ＋12 ＋15 ＋18 ＋22

high ＋ 20 ＋ 24 ＋ 29 ＋ 35

low ＋ 12 ＋ 15 ＋ 18 ＋ 22

＋ 25

＋ 9 ＋28 ＋17 ＋ 33 ＋17 ＋37 ＋26 ＋ 42 ＋ 26

＋ 30

＋11 ＋33 ＋20 ＋ 39 ＋20 ＋45 ＋32 ＋ 51 ＋ 32

＋ 35

＋13 ＋38 ＋23 ＋ 45 ＋23 ＋52 ＋37 ＋ 59 ＋ 37

＋ 40

＋15 ＋45 ＋27 ＋ 52 ＋27 ＋61 ＋43 ＋ 68 ＋ 43

＋ 46

＋17 ＋51 ＋31 ＋ 60 ＋31 ＋70 ＋50 ＋ 79 ＋ 50

＋ 52

＋20 ＋57 ＋34 ＋ 66 ＋34 ＋79 ＋56 ＋ 88 ＋ 56

＋ 57

＋21 ＋62 ＋37 ＋ 73 ＋37 ＋87 ＋62 ＋ 98 ＋ 62

＋ 63

＋23 ＋67 ＋40 ＋ 80 ＋40 ＋95 ＋68 ＋108 ＋ 68

＋ 70

＋26

−

＋ 88 ＋44

−

＋122 ＋ 78

＋ 80

＋30

−

＋100 ＋50

−

＋138 ＋ 88

＋ 90

＋34

−

＋112 ＋56

−

＋156 ＋100

＋106

＋40

−

＋132 ＋66

−

＋186 ＋120

＋126

＋48

−

＋156 ＋78

−

＋218 ＋140

r6 high ＋ 23 ＋ 28 ＋ 34 ＋ 41

IT2 1.5 1.5 2 2.5

IT3 2.5 2.5 3 4

IT5 5 6 8 9

IT7 12 15 18 21

＋ 50 ＋ 34

＋ 59 ＋ 34

2.5

＋ 60 ＋ 62 ＋ 73 ＋ 76 ＋ 88 ＋ 90 ＋ 93 ＋106 ＋109 ＋113 ＋126 ＋130 ＋144 ＋150 ＋166 ＋172 ＋194 ＋199 ＋225 ＋235 ＋266 ＋276 ＋316 ＋326 ＋378 ＋408

＋ 71 ＋ 73 ＋ 86 ＋ 89 ＋103 ＋105 ＋108 ＋123 ＋126 ＋130 ＋146 ＋150 ＋165 ＋171 ＋189 ＋195 ＋220 ＋225 ＋255 ＋265 ＋300 ＋310 ＋355 ＋365 ＋425 ＋455

−

105

−

125

＋ 41 ＋ 43 ＋ 51 ＋ 54 ＋ 63 ＋ 65 ＋ 68 ＋ 77 ＋ 80 ＋ 84 ＋ 94 ＋ 98 ＋108 ＋114 ＋126 ＋132 ＋150 ＋155 ＋175 ＋185 ＋210 ＋220 ＋250 ＋260 ＋300 ＋330

high ＋ 27 ＋ 34 ＋ 41 ＋ 49

Basic tolerance low 15 19 23 28

D-9

low ＋ 15 ＋ 19 ＋ 23 ＋ 28

r7 ＋＋＋＋

＋ 41 3 ＋ 43 ＋ 51 ＋ 54 4 ＋ 63 ＋ 65 5 ＋ 68 ＋ 77 ＋ 80 7 ＋ 84 ＋ 94 8 ＋ 98 ＋108 9 ＋114 ＋126 10 ＋132 ＋150 − ＋155 ＋175 − ＋185 ＋210 − ＋220 ＋250 − ＋260 ＋300 − ＋330

Diameter division mm over incl. 6 3 10 6 18 10 30 18 40 30 50 40 65 50 80 65 100 80 120 100 140 120 160 140 180 160 200 180 225 200 250 225 280 250 315 280 355 315 400 355 450 400 500 450 560 500 630 560 710 630 800 710 900 800 1 000 900 1 120 1 000 1 250 1 120 1 250 1 400 1 400 1 600 Unit μm Diameter division mm over incl. 3 6 6 10 10 18 18 30 30 40 40 50 50 65 65 80 80 100 100 120 120 140 140 160 160 180 180 200 200 225 225 250 250 280 280 315 315 355 355 400 400 450 450 500 560 500 630 560 710 630 800 710 900 800 1 000 900 1 120 1 000 1 250 1 120 1 400 1 250 1 600 1 400

●Appendix Table

Appendix table 6: Dimensional tolerance for housing bore Diameter division mm

1 1 1 1 1 1

E10

E11

low

high

low

high

low

high

G6 low

high

low

high

low high low

＋＋＋＋

6 10 18 30 40 50

50 65 80 100 120 140 160 180 200 225

65 80 100 120 140 160 180 200 225 250

250 280

280 ＋162 ＋110 ＋320 ＋110 ＋430 ＋110 ＋630 ＋110 ＋ 88 ＋ 56 ＋108 ＋ 56 ＋137 ＋ 56 ＋ 49 ＋17 ＋ 69 ＋17 ＋32 0 315

315 355

355 ＋182 ＋125 ＋355 ＋125 ＋485 ＋125 ＋695 ＋125 ＋ 98 ＋ 62 ＋119 ＋ 62 ＋151 ＋ 62 ＋ 54 ＋18 ＋ 75 ＋18 ＋36 0 400 450 500 560 630 710 800 900 1 000 1 120 1 250 1 400 1 600 1 800 2 000

low

incl.

400 450 500 560 630 710 800 900 000 120 250 400 600 800

high

3 6 10 18 30 40

high

low

over

high low

high

E12

＋ 8 ＋ 9 ＋11 ＋13

0 0 0 0

＋ 75 ＋ 50 ＋150 ＋ 50 ＋210 ＋ 50 ＋300 ＋ 50 ＋ 41 ＋ 25 ＋ 50 ＋ 25 ＋ 64 ＋ 25 ＋ 25 ＋ 9 ＋ 34 ＋ 9 ＋16

＋ 90 ＋ 60 ＋180 ＋ 60 ＋250 ＋ 60 ＋360 ＋ 60 ＋ 49 ＋ 30 ＋ 60 ＋ 30 ＋ 76 ＋ 30 ＋ 29 ＋10 ＋ 40 ＋10 ＋19

＋107 ＋ 72 ＋212 ＋ 72 ＋292 ＋ 72 ＋422 ＋ 72 ＋ 58 ＋ 36 ＋ 71 ＋ 36 ＋ 90 ＋ 36 ＋ 34 ＋12 ＋ 47 ＋12 ＋22

＋＋＋＋

32 40 50 61

＋＋＋＋

＋ 68 ＋ 83 ＋102 ＋124

20 25 32 40

＋＋＋＋

20 25 32 40

＋ 95 ＋115 ＋142 ＋170

＋＋＋＋

20 25 32 40

＋140 ＋175 ＋212 ＋250

＋＋＋＋

20 25 32 40

＋＋＋＋

18 22 27 33

10 13 16 20

＋＋＋＋

22 28 34 41

＋＋＋＋

10 13 16 20

＋＋＋＋

28 35 43 53

＋＋＋＋

10 13 16 20

12 14 17 20

4 5 6 7

16 20 24 28

4 5 6 7

＋125 ＋ 85 ＋245 ＋ 85 ＋335 ＋ 85 ＋485 ＋ 85 ＋ 68 ＋ 43 ＋ 83 ＋ 43 ＋106 ＋ 43 ＋ 39 ＋14 ＋ 54 ＋14 ＋25 0 ＋146 ＋100 ＋285 ＋100 ＋390 ＋100 ＋560 ＋100 ＋ 79 ＋ 50 ＋ 96 ＋ 50 ＋122 ＋ 50 ＋ 44 ＋15 ＋ 61 ＋15 ＋29 0

＋198 ＋135 ＋385 ＋135 ＋535 ＋135 ＋765 ＋135 ＋108 ＋ 68 ＋131 ＋ 68 ＋165 ＋ 68 ＋ 60 ＋20 ＋ 83 ＋20 ＋40 0 ＋215 ＋145

−

＋120 ＋ 76 ＋146 ＋ 76 ＋186 ＋ 76 ＋ 66 ＋22 ＋ 92 ＋22 ＋44 0

＋240 ＋160

−

＋130 ＋ 80 ＋160 ＋ 80 ＋205 ＋ 80 ＋ 74 ＋24 ＋104 ＋24 ＋50 0

＋260 ＋170

−

＋142 ＋ 86 ＋176 ＋ 86 ＋226 ＋ 86 ＋ 82 ＋26 ＋116 ＋26 ＋56 0

＋300 ＋195

−

＋164 ＋ 98 ＋203 ＋ 98 ＋263 ＋ 98 ＋ 94 ＋28 ＋133 ＋28 ＋66 0

＋345 ＋220

−

− −

−

＋188 ＋110 ＋235 ＋110 ＋305 ＋110 ＋108 ＋30 ＋155 ＋30 ＋78 0

＋390 ＋240

− −

−

＋212 ＋120 ＋270 ＋120 ＋350 ＋120 ＋124 ＋32 ＋182 ＋32 ＋92 0 Unit μm

Diameter division mm

over

incl. high low

3 6 10 18 30 40 50 65 80 100 120 140 160

6 10 18 30 40 50 65 80 100 120 140 160 180

180 200 225

K6 ＋2 ＋2 ＋2 ＋2

− 6 − 7 − 9 −11

high ＋＋＋＋

3 5 6 6

M6 low

− 9 − 10 − 12 − 15

high − − − −

1 3 4 4

low

high

− 9 − 12 − 15 − 17

0 0 0 0

− − − −

low 12 15 18 21

high − 5 − 7 − 9 −11

low − − − −

13 16 20 24

high − − − −

4 4 5 7

low − − − −

16 19 23 28

high

low

− 9 − 12 − 15 − 18

− 17 − 21 − 26 − 31

high low − 8 − 9 − 11 − 14

− − − −

20 24 29 35

high − − − −

12 16 20 24

low − 20 − 25 − 31 − 37

R7 high − − − −

11 13 16 20

low − − − −

23 28 34 41

＋3 −13

＋ 7 − 18

− 4 − 20

− 25

−12 − 28

− 8 − 33 − 21 − 37 − 17 − 42 − 29 − 42 − 25 − 50

＋4 ー15

＋ 9 − 21

− 5 − 24

− 30

−14 − 33

− 9 − 39 − 26 − 45 − 21 − 51

＋4 ー18

＋10 − 25

− 6 − 28

− 35

−16 − 38

−10 − 45 − 30 − 52 − 24 − 59

＋4 −21

＋12 − 28

− 8

0 − 40 −20 − 45 − 12 − 52 − 36 − 61 − 28 − 68

200 225 250

＋5 −24

＋13 − 33

− 8 − 37

0 − 46

250 280

280 315

＋5 −27

＋16 − 36

− 9 − 41

− 52 −25 − 57 −14 − 66 − 47 − 79 − 36 − 88

315 355 400 450 500 560 630 710

355 ＋7 −29 400 450 −32 500 ＋8 560 0 −44 630 710 800 0 −50

＋17 − 40

−10 − 46

− 57 −26 − 62 −16 − 73 − 51 − 87 − 41 − 98

＋18 − 45

−10 − 50

− 63 −27 − 67 −17 − 80 − 55 − 95 − 45 −108

800 900 1 000 1 120 1 250 1 400 1 600 1 800

900 1 000 1 120 1 250 1 400 1 600 1 800 2 000

− 33

−22 − 51

−14 − 60 − 41 − 70 − 33 − 79

− 70

−26 − 70 −26 − 96 −44 − 88 −44 −114 − 78 −122 − 78 −148

− 80

−30 − 80 −30 −100 −50 −100 −50 −130 − 88 −138 − 88 −168

−56

− 90

−34 − 90 −34 − 124 −56 −112 −56 −146 −100 −156 −100 −190

−66

−105

−40 −106 −40 −145 −66 −132 −66 −171 −120 −186 −120 −225

−78

−125

−48 −126 −48 −173 −78 −156 −78 −203 −140 −213 −140 −265

−92

−150

−58 −150 −58 −208 −92 −184 −92 −242 −170 −262 −170 −320

D-10

− 35 − 37 − 44 − 47 − 56 − 58 − 61 − 68 − 71 − 75 − 85 − 89 − 97 −103 −113 −119 −150 −155 −175 −185 −210 −220 −250 −260 −300 −330 −370 −400

− 54 − 56 − 66 − 69 − 81 − 83 − 86 − 97 −100 −104 −117 −121 −133 −139 −153 −159 −194 −199 −225 −235 −266 −276 −316 −326 −378 −408 −462 −492

− − − − − − − − − −

30 32 38 41 48 50 53 60 63 67

− 60 − 62 − 73 − 76 − 88 − 90 − 93 −106 −109 −113

− 74 − 78 − 87 − 93 −103 −109 −150 −155 −175 −185 −210 −220 −250 −260 −300 −330 −370 −400

−126 −130 −144 −150 −166 −172 −220 −225 −225 −265 −300 −310 −355 −365 −425 −455 −520 −550

●Appendix Table

Unit μm H7

H10

H11

high low high low high low high low ＋＋＋＋

12 15 18 21

0 0 0 0

＋＋＋＋

18 22 27 33

0 0 0 0

＋＋＋＋

30 36 43 52

0 0 0 0

＋＋＋＋

48 58 70 84

0 0 0 0

H13

Js6

high low high low high low ＋ 75 ＋ 90 ＋110 ＋130

0 0 0 0

＋180 ＋220 ＋270 ＋330

0 0 0 0

＋＋＋＋

5 5 6 8

−3 −4 −5 −5

high ＋＋＋＋

4 4.5 5.5 6.5

J7 low

− − − −

4 4.5 5.5 6.5

− 8

Js7

high low ＋ 6 ＋ 8 ＋10 ＋12

− − − −

6 7 8 9

high ＋ 6 ＋ 7.5 ＋ 9 ＋10.5

K5 low

high low

over

incl.

− 6 0 − 5 − 7.5 ＋1 − 5 − 9 ＋2 − 6 −10.5 ＋1 − 8

3 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355

6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400

400 450 500 560 630 710 800 900 000 120 250 400 600 800

450 500 560 630 710 800 900 000 120 250 400 600 800 000

＋ 25 0 ＋ 39 0 ＋ 62 0 ＋100 0

＋160 0 ＋390 0 ＋10 −6 ＋ 8

＋ 30 0 ＋ 46 0 ＋ 74 0 ＋120 0

＋190 0 ＋460 0 ＋13 −6 ＋ 9.5 − 9.5 ＋18 −12 ＋15

＋ 35 0 ＋ 54 0 ＋ 87 0 ＋140 0

＋220 0 ＋540 0 ＋16 −6 ＋11

＋ 40 0 ＋ 63 0 ＋100 0 ＋160 0

＋250 0 ＋630 0 ＋18 −7 ＋12.5 −12.5 ＋26 −14 ＋20

−20

＋3 −15

＋ 46 0 ＋ 72 0 ＋115 0 ＋185 0 ＋290 0 ＋720 0 ＋22 −7 ＋14.5 −14.5 ＋30 −16 ＋23

−23

＋2 −18

−26

＋3 −20

−11

＋14 −11 ＋12.5 −12.5 ＋2 − 9 −15

＋3 −10

＋22 −13 ＋17.5 −17.5 ＋2 −13

＋ 52 0 ＋ 81 0 ＋130 0 ＋210 0 ＋320 0 ＋810 0 ＋25 −7 ＋16

−16

＋36 −16 ＋26

＋ 57 0 ＋ 89 0 ＋140 0 ＋230 0 ＋360 0 ＋890 0 ＋29 −7 ＋18

−18

＋39 −18 ＋28.5 −28.5 ＋3 −22

＋ 63 0 ＋ 97 0 ＋155 0 ＋250 0 ＋400 0 ＋970 0 ＋33 −7 ＋20

−20

＋43 −20 ＋31.5 −31.5 ＋2 −25

＋ 70 0 ＋110 0 ＋175 0 ＋280 0 ＋440 0

−

＋22

−22

−

＋35

−35

−

＋ 80 0 ＋125 0 ＋200 0 ＋320 0 ＋500 0

−

＋25

−25

−

＋40

−40

−

＋ 90 0 ＋140 0 ＋230 0 ＋360 0 ＋560 0

−

＋28

−28

−

＋45

−45

−

＋105 0 ＋165 0 ＋260 0 ＋420 0 ＋660 0

−

＋33

−33

−

＋52.5 −52.5

−

＋125 0 ＋195 0 ＋310 0 ＋500 0 ＋780 0

−

＋39

−39

−

＋62.5 −62.5

−

＋150 0 ＋230 0 ＋370 0 ＋600 0 ＋920 0

−

＋46

−46

−

＋75

−

D-11

Diameter division mm

−75

1 1 1 1 1 1

1 1 1 1 1 1 2

●Appendix Table

Appendix table 7: Basic tolerance

Unit μm

Diameter division

IT basic tolerance class

mm over

incl.

IT1

IT2

IT3

IT4

IT5

IT6

IT7

IT8

IT9

IT10

3 6

3 6 10

0.8 1 1

1.2 1.5 1.5

2 2.5 2.5

3 4 4

4 5 6

6 8 9

10 12 15

14 18 22

25 30 36

40 48 58

10 18 30

18 30 50

1.2 1.5 1.5

2 2.5 2.5

3 4 4

5 6 7

8 9 11

11 13 16

18 21 25

27 33 39

43 52 62

70 84 100

50 80 120

80 120 180

2 2.5 3.5

3 4 5

5 6 8

8 10 12

13 15 18

19 22 25

30 35 40

46 54 63

74 87 100

120 140 160

180 250 315

250 315 400

4.5 6 7

7 8 9

10 12 13

14 16 18

20 23 25

29 32 36

46 52 57

72 81 89

115 130 140

185 210 230

400 500 630

500 630 800

8 9 10

10 11 13

15 16 18

20 22 25

27 30 35

40 44 50

63 70 80

97 110 125

155 175 200

250 280 320

800 1 000 1 250

1 000 1 250 1 600

11 13 15

15 18 21

21 24 29

29 34 40

40 46 54

56 66 78

90 105 125

140 165 195

230 260 310

360 420 500

1 600 2 000 2 500

2 000 2 500 3 150

18 22 26

25 30 36

35 41 50

48 57 69

65 77 93

92 110 135

150 175 210

230 280 330

370 440 540

600 700 860

―

D-12

â&#x2014;?Appendix Table

Appendix table 8: Viscosity conversion table Kinematic viscosity mm2/s

Saybolt SUS (second)

2.7 4.3 5.9 7.4 8.9

35 40 45 50 55

32.2 36.2 40.6 44.9 49.1

1.18 1.32 1.46 1.60 1.75

103 108 119 130 141

475 500 550 600 650

419 441 485 529 573

13.5 14.2 15.6 17.0 18.5

10.4 11.8 13.1 14.5 15.8

60 65 70 75 80

53.5 57.9 62.3 67.6 71.0

1.88 2.02 2.15 2.31 2.42

152 163 173 184 195

700 750 800 850 900

617 661 705 749 793

19.9 21.3 22.7 24.2 25.6

17.0 18.2 19.4 20.6 23.0

85 90 95 100 110

75.1 79.6 84.2 88.4 97.1

2.55 2.68 2.81 2.95 3.21

206 217 260 302 347

950 1 000 1 200 1 400 1 600

837 882 1 058 1 234 1 411

27.0 28.4 34.1 39.8 45.5

25.0 27.5 29.8 32.1 34.3

120 130 140 150 160

105.9 114.8 123.6 132.4 141.1

3.49 3.77 4.04 4.32 4.59

390 433 542 650 758

1 800 2 000 2 500 3 000 3 500

1 587 1 763 2 204 2 646 3 087

51 57 71 85 99

36.5 38.8 41.0 43.2 47.5

170 180 190 200 220

150.0 158.8 167.5 176.4 194.0

4.88 5.15 5.44 5.72 6.28

867 974 1 082 1 150 1 300

4 000 4 500 5 000 5 500 6 000

3 526 3 967 4 408 4 849 5 290

114 128 142 156 170

51.9 56.5 60.5 64.9 70.3

240 260 280 300 325

212 229 247 265 287

6.85 7.38 7.95 8.51 9.24

1 1 1 1 1

400 510 630 740 850

6 500 7 000 7 500 8 000 8 500

5 730 6 171 6 612 7 053 7 494

185 199 213 227 242

75.8 81.2 86.8 92.0 97.4

350 375 400 425 450

309 331 353 375 397

9.95 10.7 11.4 12.1 12.8

1 960 2 070 2 200

9 000 9 500 10 000

7 934 8 375 8 816

256 270 284

Redwood R"(second)

Kinematic viscosity mm2/s

Engler E (degree)

D-13

Saybolt SUS (second)

Redwood R"(second)

Engler E (degree)

●Appendix Table

Appendix table 9: Kgf to N conversion table kgf

kgf

0.1020 0.2039 0.3059 0.4079 0.5099

1 2 3 4 5

9.8066 19.613 29.420 39.227 49.033

3.4670 3.5690 3.6710 3.7730 3.8749

34 35 36 37 38

333.43 343.23 353.04 362.85 372.65

6.8321 6.9341 7.0361 7.1380 7.2400

67 68 69 70 71

657.04 666.85 676.66 686.46 696.27

0.6118 0.7138 0.8158 0.9177 1.0197

6 7 8 9 10

58.840 68.646 78.453 88.260 98.066

3.9769 4.0789 4.1808 4.2828 4.3848

39 40 41 42 43

382.46 392.27 402.07 411.88 421.68

7.3420 7.4440 7.5459 7.6479 7.7499

72 73 74 75 76

706.08 715.88 725.69 735.50 745.30

1.1217 1.2237 1.3256 1.4276 1.5296

11 12 13 14 15

107.87 117.68 127.49 137.29 147.10

4.4868 4.5887 4.6907 4.7927 4.8946

44 45 46 47 48

431.49 441.30 451.10 460.91 470.72

7.8518 7.9538 8.0558 8.1578 8.2597

77 78 79 80 81

755.11 764.92 774.72 784.53 794.34

1.6316 1.7335 1.8355 1.9375 2.0394

16 17 18 19 20

156.91 166.71 176.52 186.33 196.13

4.9966 5.0986 5.2006 5.3025 5.4045

49 50 51 52 53

480.52 490.33 500.14 509.94 519.75

8.3617 8.4637 8.5656 8.6676 8.7696

82 83 84 85 86

804.14 813.95 823.76 833.56 843.37

2.1414 2.2434 2.3454 2.4473 2.5493

21 22 23 24 25

205.94 215.75 225.55 235.36 245.17

5.5065 5.6085 5.7104 5.8124 5.9144

54 55 56 57 58

529.56 539.36 549.17 558.98 568.78

8.8716 8.9735 9.0755 9.1775 9.2794

87 88 89 90 91

853.18 862.98 872.79 882.60 892.40

2.6513 2.7532 2.8552 2.9572 3.0592

26 27 28 29 30

254.97 264.78 274.59 284.39 294.20

6.0163 6.1183 6.2203 6.3223 6.4242

59 60 61 62 63

578.59 588.40 598.20 608.01 617.82

9.3814 9.4834 9.5854 9.6873 9.7893

92 93 94 95 96

902.21 912.02 921.82 931.63 941.44

3.1611 3.2631 3.3651

31 32 33

304.01 313.81 323.62

6.5262 6.6282 6.7302

64 65 66

627.62 637.43 647.24

9.8913 9.9932 10.0952

97 98 99

951.24 961.05 970.86

〔How to read the table〕 If for example you want to convert 10 kgf to N, find "10" in the middle

column of the first set of columns on the right. Look in the N column directly to the right of "10," and you will see that 10 kgf equals 98.066 N. Oppositely, to convert 10 N to kgf, look in the kgf column to the right of "10" and you will see that 10 N equals 1.0197 kgf.

D-14

1kgf＝9.80665N 1N＝0.101972kgf

â&#x2014;?Appendix Table

Appendix table 10: Inch-millimetre conversion table inch fraction

decimal

1/64 1/32 3/64 1/16 5/64 3/32 7/64 1/ 8 9/64 5/32 11/64 3/16 13/64 7/32 15/64 1/ 4 17/64 9/32 19/64 5/16 21/64 11/32 23/64 3/ 8 25/64 13/32 27/64 7/16 29/64 15/32 31/64 1/ 2 33/64 17/32 35/64 9/16 37/64 19/32 39/64 5/ 8 41/64 21/32 43/64 11/16 45/64 23/32 47/64 3/ 4 49/64 25/32 51/64 13/16 53/64 27/32 55/64 7/ 8 57/64 39/32 59/64 15/16 61/64 31/32 63/64

0.015625 0.031250 0.046875 0.062500 0.078125 0.093750 0.109375 0.125000 0.140625 0.156250 0.171875 0.187500 0.203125 0.218750 0.234375 0.250000 0.265625 0.281250 0.296875 0.312500 0.328125 0.343750 0.359375 0.375000 0.390625 0.406250 0.421875 0.437500 0.453125 0.468750 0.484375 0.500000 0.515625 0.531250 0.546875 0.562500 0.578125 0.593750 0.609375 0.625000 0.640625 0.656250 0.671875 0.687500 0.703125 0.718750 0.734375 0.750000 0.765625 0.781250 0.796875 0.812500 0.828125 0.843750 0.859375 0.875000 0.890625 0.906250 0.921875 0.937500 0.953125 0.968750 0.984375

0" 0.397 0.794 1.191 1.588 1.984 2.381 2.778 3.175 3.572 3.969 4.366 4.762 5.159 5.556 5.953 6.350 6.747 7.144 7.541 7.938 8.334 8.731 9.128 9.525 9.922 10.319 10.716 11.112 11.509 11.906 12.303 12.700 13.097 13.494 13.891 14.288 14.684 15.081 15.478 15.875 16.272 16.669 17.066 17.462 17.859 18.256 18.653 19.050 19.447 19.844 20.241 20.638 21.034 21.431 21.828 22.225 22.622 23.019 23.416 23.812 24.209 24.606 25.003

1" 25.400 25.797 26.194 26.591 26.988 27.384 27.781 28.178 28.575 28.972 29.369 29.766 30.162 30.559 30.956 31.353 31.750 32.147 32.544 32.941 33.338 33.734 34.131 34.528 34.925 35.322 35.719 36.116 36.512 36.909 37.306 37.703 38.100 38.497 38.894 39.291 39.688 40.084 40.481 40.878 41.275 41.672 42.069 42.466 42.862 43.259 43.656 44.053 44.450 44.847 45.244 45.641 46.038 46.434 46.831 47.228 47.625 48.022 48.419 48.816 49.212 49.609 50.006 50.403

2" 50.800 51.197 51.594 51.991 52.388 52.784 53.181 53.578 53.975 54.372 54.769 55.166 55.562 55.959 56.356 56.753 57.150 57.547 57.944 58.341 58.738 59.134 59.531 59.928 60.325 60.722 61.119 61.516 61.912 62.309 62.706 63.103 63.500 63.897 64.294 64.691 65.088 65.484 65.881 66.278 66.675 67.072 67.469 67.866 68.262 68.659 69.056 69.453 69.850 70.247 70.644 71.041 71.438 71.834 72.231 72.628 73.025 73.422 73.819 74.216 74.612 75.009 75406 75.803

3" 76.200 76.597 76.994 77.391 77.788 78.184 48.581 78.978 79.375 79.772 80.169 80.566 80.962 81.359 81.756 82.153 82.550 82.947 83.344 83.741 84.138 84.534 84.931 85.328 85.725 86.122 86.519 86.916 87.312 87.709 88.106 88.503 88.900 89.297 89.694 90.091 90.488 90.884 91.281 91.678 92.075 92.472 92.869 93.266 93.662 94.059 94.456 94.853 95.250 95.647 96.044 96.441 96.838 97.234 97.631 98.028 98.425 98.822 99.219 99.616 100.012 100.409 100.806 101.203

4" 101.600 101.997 102.394 102.791 103.188 103.584 103.981 104.378 104.775 105.172 105.569 105.966 106.362 106.759 107.156 107.553 107.950 108.347 108.744 109.141 109.538 109.934 110.331 110.728 111.125 111.522 111.919 112.316 112.721 113.109 113.506 113.903 114.300 114.697 115.094 115.491 115.888 116.284 116.681 117.078 117.475 117.872 118.269 118.666 119.062 119.459 119.856 120.253 120.650 121.047 121.444 121.841 122.238 122.634 123.031 123.428 123.825 124.222 124.619 125.016 125.412 125.809 126.206 126.603

D-15

5" 127.000 127.397 127.794 128.191 128.588 128.984 129.381 129.778 130.175 130.572 130.969 131.366 131.762 132.159 132.556 132.953 133.350 133.747 134.144 134.541 134.938 135.334 135.731 136.128 136.525 136.922 137.319 137.716 138.112 138.509 138.906 139.303 139.700 140.097 140.494 140.891 141.283 141.684 142.081 142.478 142.875 143.272 143.669 144.066 144.462 144.859 145.256 145.653 146.050 146.447 146.844 147.241 147.638 148.034 148.431 148.828 149.225 149.622 150.019 150.416 150.812 151.209 151.606 152.003

6" 152.400 152.797 153.194 153.591 153.988 154.384 154.781 155.178 155.575 155.972 156.369 156.766 157.162 157.559 157.956 158.353 158.750 159.147 159.544 159.941 160.338 160.734 161.131 161.528 161.925 162.322 162.719 163.116 163.512 163.909 164.306 164.703 165.100 165.497 165.894 166.291 166.688 167.084 167.481 167.878 168.275 168.672 169.069 169.466 169.862 170.259 170.656 171.053 171.450 171.847 172.244 172.641 173.038 173.434 173.831 174.228 174.625 175.022 175.419 175.816 176.212 176.609 177.006 177.403

7" 177.800 178.197 178.594 178.991 179.388 179.784 180.181 180.578 180.975 181.372 181.769 182.166 182.562 182.959 183.356 183.753 184.150 184.547 184.944 185.341 185.738 186.134 186.531 186.928 187.325 187.722 188.119 188.516 188.912 189.309 189.706 190.103 190.500 190.897 191.294 191.691 192.088 192.484 192.881 193.278 193.675 194.072 194.469 194.866 195.262 195.659 196.056 196.453 196.850 197.247 197.644 198.041 198.438 198.834 199.231 199.628 200.025 200.422 200.819 201.216 201.612 202.009 202.406 202.803

8" 203.200 203.597 203.994 204.391 204.788 205.184 205.581 205.978 206.375 206.772 207.169 207.566 207.962 208.359 208.756 209.153 209.550 209.947 210.344 210.741 211.138 211.534 211.931 212.328 212.725 213.122 213.519 213.916 214.312 214.709 215.106 215.503 215.900 216.297 216.694 217.091 217.488 217.884 218.281 218.678 219.075 219.472 219.869 220.266 220.662 221.056 221.456 221.853 222.250 222.647 223.044 223.441 223.838 224.234 224.631 225.028 225.425 225.822 226.219 226.616 227.012 227.409 227.806 228.203

9" 228.600 228.997 229.394 229.791 230.188 230.584 230.981 231.378 231.775 232.172 232.569 232.966 233.362 233.759 234.156 234.553 234.950 235.347 235.744 236.141 236.538 236.934 237.331 237.728 238.125 238.522 238.919 239.316 239.712 240.109 240.506 240.903 241.300 241.697 242.094 242.491 242.888 243.284 243.681 244.078 244.475 244.872 245.269 245.666 246.062 246.459 246.856 247.253 247.650 248.047 248.444 248.841 249.238 249.634 250.031 250.428 250.825 251.222 251.619 252.016 252.412 252.809 253.206 253.603