Martin
Bored-to-Size Gears • 14-1/2º Pressure Angle 6 DP 1-1/2” Face No. Teeth
11 12 14 14 15 15 15 15 16 16 16 16 18 18 18 18 20 20 20 20
Catalog Number
S611BS 1 S612BS 1 S614BS 1 S614BS 1-1/8 S615BS 1 S615BS 1-1/8 S615BS 1-3/16 S615BS 1-1/4 S616BS 1 S616BS 1-1/8 S616BS 1-3/16 S616BS 1-1/4 S618BS 1 S618BS 1-1/8 S618BS 1-3/16 S618BS 1-1/4 S620BS 1 S620BS 1-1/8 S620BS 1-3/16 S620BS 1-1/4
Pressure Angle (Deg.)
141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2
Diameter Pitch
Outside
2.000* 2.000 2.333 2.333 2.500 2.500 2.500 2.500 2.667 2.667 2.667 2.667 3.000 3.000 3.000 3.000 3.333 3.333 3.333 3.333
2.333 2.333 2.667 2.667 2.833 2.833 2.833 2.833 3.000 3.000 3.000 3.000 3.333 3.333 3.333 3.333 3.667 3.667 3.667 3.667
Type
B B B B B B B B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
1 1 1 1-1⁄8 1 1-1⁄8 1-3⁄16 1-1⁄4 1 1-1⁄8 1-3⁄16 1-1⁄4 1 1-1⁄8 1-3⁄16 1-1⁄4 1 1-1⁄8 1-3⁄16 1-1⁄4
⁄4 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 ⁄4 1 1
X X X X X X X X X X X X X X X X X X X X
⁄8 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 1
Set Screw
(1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90
Hub (Inches) Diameter Proj.
11⁄2 11⁄2 113⁄16 113⁄16 2 2 2 2 2 5⁄32 2 5⁄32 2 5⁄32 2 5⁄32 2 1⁄2 2 1⁄2 2 1⁄2 2 1⁄2 2 27⁄32 2 27⁄32 2 27⁄32 2 27⁄32
⁄8 ⁄8 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 7 7
Weight Lbs. (App.)
1.10 1.10 1.80 1.80 2.20 2.20 2.20 2.20 2.60 2.60 2.60 2.60 3.50 3.50 3.50 3.50 4.60 4.60 4.60 4.60
8 DP 1-1/4” Face No. Teeth
11 12 14 16 16 18 18 18 20 20 20 22 22 22
Catalog Number
S811BS 3/4 S812BS 3/4 S814BS 3/4 S816BS 7/8 S816BS 1 S818BS 7/8 S818BS 1 S818BS 1-1/8 S820BS 7/8 S820BS 1 S820BS 1-1/8 S822BS 7/8 S822BS 1 S822BS 1-1/8
Pressure Angle (Deg.)
141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2
Diameter Pitch
Outside
1.500* 1.500 1.750 2.000 2.000 2.250 2.250 2.250 2.500 2.500 2.500 2.750 2.750 2.750
1.750 1.750 2.000 2.250 2.250 2.500 2.500 2.500 2.750 2.750 2.750 3.000 3.000 3.000
Type
B B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
⁄4 ⁄4 ⁄4 7 ⁄8 1 7 ⁄8 1 11⁄8 7 ⁄8 1 11⁄8 7 ⁄8 1 1-1⁄8
⁄16 ⁄16 ⁄16 3 ⁄16 1 ⁄4 3 ⁄16 1 ⁄4 1 ⁄4 3 ⁄16 1 ⁄4 1 ⁄4 3 ⁄16 1 ⁄4 1 ⁄4
3
3
3
3
3
3
X X X X X X X X X X X X X X
⁄32 ⁄32 ⁄32 3 ⁄32 1 ⁄8 3 ⁄32 1 ⁄8 1 ⁄8 3 ⁄32 1 ⁄8 1 ⁄8 3 ⁄32 1 ⁄8 1 ⁄8 3 3 3
Set Screw
Hub (Inches) Diameter Proj.
(1) 10-24 @ 90 (1) 10-24 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90
11⁄8 11⁄8 13⁄8 15⁄8 15⁄8 17⁄8 17⁄8 17⁄8 21⁄8 21⁄8 21⁄8 23⁄8 23⁄8 23⁄8
⁄4 ⁄4 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3 ⁄4 3
3
3
Weight Lbs. (App.)
0.50 0.50 0.90 1.10 1.10 1.60 1.60 1.60 2.00 2.00 2.00 2.60 2.60 2.60
10 DP 1” Face No. Teeth
11 12 14 15 16 18 18 20 20 20 24 24 24
Catalog Number
S1011BS 5/8 S1012BS 5/8 S1014BS 5/8 S1015BS 3/4 S1016BS 3/4 S1018BS 3/4 S1018BS 7/8 S1020BS 3/4 S1020BS 7/8 S1020BS 1 S1024BS 3/4 S1024BS 7/8 S1024BS 1
Pressure Angle (Deg.)
141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2
Diameter Pitch
Outside
1.200* 1.200 1.400 1.500 1.600 1.800 1.800 2.000 2.000 2.000 2.400 2.400 2.400
1.400 1.400 1.600 1.700 1.800 2.000 2.000 2.200 2.200 2.200 2.600 2.600 2.600
Type
B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
⁄8 ⁄8 5 ⁄8 3 ⁄4 3 ⁄4 3 ⁄4 7 ⁄8 3 ⁄4 7 ⁄8 1 3 ⁄4 7 ⁄8 1
⁄16 ⁄16 3 ⁄16 3 ⁄16 3 ⁄16 3 ⁄16 3 ⁄16 3 ⁄16 3 ⁄16 1 ⁄4 3 ⁄16 3 ⁄16 1 ⁄4
5
3
5
3
X X X X X X X X X X X X X
⁄32 ⁄32 3 ⁄32 3 ⁄32 3 ⁄32 3 ⁄32 3 ⁄32 3 ⁄32 3 ⁄32 1 ⁄8 3 ⁄32 3 ⁄32 1 ⁄8 3 3
Set Screw
(1) 10-24 @ 90 (1) 10-24 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90
Hub (Inches) Diameter Proj.
⁄16 ⁄16 11⁄8 17⁄32 15⁄16 117⁄32 117⁄32 123⁄32 123⁄32 123⁄32 21⁄8 21⁄8 23⁄8 15 15
⁄8 ⁄8 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5
5
5
Weight Lbs. (App.)
0.30 0.30 0.40 0.50 0.60 0.80 0.80 1.00 1.00 1.00 1.60 1.60 1.60
12 DP 3/4” Face No. Teeth
11 12 13 14 15 16 18 20 20 21 21 21 22 22 22 22 24 24 24 24
Catalog Number
S1211BS 1/2 S1212BS 1/2 S1213BS 1/2 S1214BS 1/2 S1215BS 5/8 S1216BS 5/8 S1218BS 5/8 S1220BS 5/8 S1220BS 3/4 S1221BS 5/8 S1221BS 3/4 S1221BS 7/8 S1222BS 5/8 S1222BS 3/4 S1222BS 7/8 S1222BS 1 S1224BS 5/8 S1224BS 3/4 S1224BS 7/8 S1224BS 1
Pressure Angle (Deg.)
141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2
Diameter Pitch
1.000* 1.000 1.083 1.167 1.250 1.333 1.500 1.667 1.667 1.750 1.750 1.750 1.833 1.833 1.833 1.833 2.000 2.000 2.000 2.000
Outside
1.167 1.167 1.250 1.333 1.417 1.500 1.667 1.833 1.833 1.917 1.917 1.917 2.000 2.000 2.000 2.000 2.167 2.167 2.167 2.167
Type
B B B B B B B B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
⁄2 ⁄2 ⁄2 1 ⁄2 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 3 ⁄4 5 ⁄8 3 ⁄4 7 ⁄8 5 ⁄8 3 ⁄4 7 ⁄8 1 5 ⁄8 3 ⁄4 7 ⁄8 1 1 1 1
NONE NONE NONE NONE 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 1 ⁄4 X 1⁄8 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 1 ⁄4 X 1⁄8
Set Screw
(1) 10-24 (1) 10-24 (1) 10-24 (1) 10-24 (1) 10-24 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90
Hub (Inches) Diameter Proj.
⁄4 ⁄4 ⁄16 29 ⁄32 1 1 1 ⁄16 11⁄4 113⁄32 113⁄32 113⁄32 113⁄32 113⁄32 19⁄16 19⁄16 19⁄16 19⁄16 13⁄4 13⁄4 13⁄4 13⁄4 3 3
13
⁄2 ⁄2 ⁄2 5 ⁄8 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1
1
1
Weight Lbs. (App.)
0.14 0.16 0.20 0.24 0.27 0.34 0.42 0.56 0.56 0.56 0.56 0.56 0.70 0.70 0.70 0.70 0.88 0.88 0.88 0.88
Bored-to-Size Gears
14-1/2º Pressure Angle FACE
HUB PROJECTION
T=20º Blank = 141/2º
DP
Bore
BORE
HUB DIAMTER
Number of Teeth
Steel Spur
OUTSIDE DIAMTER PITCH DIAMTER
T S 8 16 BS 1 Bored to Size TYPE B
16 DP 1/2” Face No. Teeth
Catalog Number
Pressure Angle (Deg.)
11 12 13 14 15 16 18 20 20 22 22 24 24 24 26 26 26 28 28 28 28 30 30 30 30 30 32 32 32 32 32
S1611BS 3/8 S1612BS 3/8 S1613BS 3/8 S1614BS 3/8 S1615BS 1/2 S1616BS 1/2 S1618BS 1/2 S1620BS 1/2 S1620BS 5/8 S1622BS 1/2 S1622BS 5/8 S1624BS 1/2 S1624BS 5/8 S1624BS 3/4 S1626BS 1/2 S1626BS 5/8 S1626BS 3/4 S1628BS 1/2 S1628BS 5/8 S1628BS 3/4 S1628BS 7/8 S1630BS 1/2 S1630BS 5/8 S1630BS 3/4 S1630BS 7/8 S1630BS 1 S1632BS 1/2 S1632BS 5/8 S1632BS 3/4 S1632BS 7/8 S1632BS 1
141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2
Diameter Pitch
Outside
0.750* 0.750 0.812 0.875 0.937 1.000 1.125 1.250 1.250 1.375 1.375 1.500 1.500 1.500 1.625 1.625 1.625 1.750 1.750 1.750 1.750 1.875 1.875 1.875 1.875 1.875 2.000 2.000 2.000 2.000 2.000
0.875 0.875 0.937 1.000 1.062 1.125 1.250 1.375 1.375 1.500 1.500 1.625 1.625 1.625 1.750 1.750 1.750 1.875 1.875 1.875 1.875 2.000 2.000 2.000 2.000 2.000 2.125 2.125 2.125 2.125 2.125
Type
B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
⁄8 ⁄8 ⁄8 3 ⁄8 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 5 ⁄8 1 ⁄2 5 ⁄8 1 ⁄2 5 ⁄8 3 ⁄4 1 ⁄2 5 ⁄8 3 ⁄4 1 ⁄2 5 ⁄8 3 ⁄4 7 ⁄8 1 ⁄2 5 ⁄8 3 ⁄4 7 ⁄8 1 1 ⁄2 5 ⁄8 3 ⁄4 7 ⁄8 1 3 3 3
None None None None None None None None 3 ⁄16 X 3⁄32 None 3 ⁄16 X 3⁄32 None 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 None 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 None 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 None 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 1 ⁄4 X 1⁄8 None 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 1 ⁄4 X 1⁄8
Set Screw
(1) 8-32 (1) 8-32 (1) 8-32 (1) 10-24 (1) 10-24 (1) 10-24 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90
Hub (Inches) Diameter Proj.
⁄16 ⁄ ⁄ ⁄ 3 ⁄4 13 ⁄16 15 ⁄16 1 1 ⁄16 1 1 ⁄16 13⁄16 13⁄16 15⁄16 15⁄16 15⁄16 17⁄16 17⁄16 17⁄16 11⁄2 11⁄2 11⁄2 11⁄2 15⁄8 15⁄8 15⁄8 15⁄8 15⁄8 13⁄4 13⁄4 13⁄4 13⁄4 13⁄4 9 9
16 5 8 11 16
⁄16 ⁄16 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 7 7
7
Weight Lbs. (App.)
0.06 0.06 0.08 0.08 0.10 0.12 0.16 0.22 0.22 0.28 0.28 0.34 0.34 0.34 0.42 0.42 0.42 0.52 0.52 0.52 0.52 0.60 0.60 0.60 0.60 0.60 0.70 0.70 0.70 0.70 0.70
20 DP 3/8” Face No. Teeth
Catalog Number
Pressure Angle (Deg.)
11 12 13 14 15 16 18 20 20 22 22 24 24 25 25 28 28 30 30 32 32 35 35 36 36 40 40 40 40
S2011BS 5/16 S2012BS 5/16 S2013BS 5/16 S2014BS 5/16 S2015BS 3/8 S2016BS 3/8 S2018BS 3/8 S2020BS 3/8 S2020BS 1/2 S2022BS 3/8 S2022BS 1/2 S2024BS 3/8 S2024BS 1/2 S2025BS 3/8 S2025BS 1/2 S2028BS 3/8 S2028BS 1/2 S2030BS 3/8 S2030BS 1/2 S2032BS 3/8 S2032BS 1/2 S2035BS 3/8 S2035BS 1/2 S2036BS 3/8 S2036BS 1/2 S2040BS 3/8 S2040BS 1/2 S2040BS 5/8 S2040BS 3/4
141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2 141⁄2
* Enlarged pitch diameter with special tooth form.
Diameter Pitch
0.600* 0.600 0.650 0.700 0.750 1.800 1.900 1.000 1.000 1.100 1.100 1.200 1.200 1.250 1.250 1.400 1.400 1.500 1.500 1.600 1.600 1.750 1.750 1.800 1.800 2.000 2.000 2.000 2.000
Outside
0.700 0.700 0.750 0.800 0.850 0.900 1.000 1.100 1.100 1.200 1.200 1.300 1.300 1.350 1.350 1.500 1.500 1.600 1.600 1.700 1.700 1.850 1.850 1.900 1.900 2.100 2.100 2.100 2.100
Type
B B B B B B B B B B B B B B B B B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
⁄16 ⁄16 5 ⁄16 5 ⁄16 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 3 ⁄8 1 ⁄2 5 ⁄8 3 ⁄4 5 5
None None None None None None None None None None None None None None None None None None None None None None None None None None None 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32
Set Screw
#35 P.H. #35 P.H. #35 P.H. #35 P.H. (1) 8-32 (1) 8-32 (1) 10-24 (1) 10-24 (1) 10-24 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90
Hub (Inches) Diameter Proj.
⁄32 ⁄32 1 ⁄2 35 ⁄64 39 ⁄64 21 ⁄32 3 ⁄4 55 ⁄64 55 ⁄64 31 ⁄32 31 ⁄32 11⁄16 11⁄16 17⁄64 17⁄64 117⁄64 117⁄64 123⁄64 123⁄64 17⁄16 17⁄16 19⁄16 19⁄16 15⁄8 15⁄8 113⁄16 113⁄16 116⁄16 113⁄16 15 15
⁄8 ⁄8 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 3 ⁄8 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 3 3 3
Weight Lbs. (App.)
0.02 0.02 0.04 0.04 0.04 0.04 0.08 0.12 0.12 0.14 0.14 0.19 0.19 0.20 0.20 0.26 0.26 0.30 0.30 0.40 0.40 0.50 0.50 0.52 0.52 0.64 0.64 0.64 0.64
Martin
Bored-to-Size Gears • 20º Pressure Angle
6 DP 2” Face No. Teeth
12 14 14 15 15 15 15 16 16 16 16 18 18 18 18 21 21 21 21
Catalog Number
TS612BS TS614BS TS614BS TS615BS TS615BS TS615BS TS615BS TS616BS TS616BS TS616BS TS616BS TS618BS TS618BS TS618BS TS618BS TS621BS TS621BS TS621BS TS621BS
Pressure Angle (Deg.)
1 1 1-1/8 1 1-1/8 1-3/16 1-1/4 1 1-1/8 1-3/16 1-1/4 1 1-1/8 1-3/16 1-1/4 1 1-1/8 1-3/16 1-1/4
20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
Diameter Pitch
Outside
2.000 2.333 2.333 2.500 2.500 2.500 2.500 2.667 2.667 2.667 2.667 3.000 3.000 3.000 3.000 3.500 3.500 3.500 3.500
2.333 2.667 2.667 2.833 2.833 2.833 2.833 3.000 3.000 3.000 3.000 3.333 3.333 3.333 3.333 3.833 3.833 3.833 3.833
Type
B B B B B B B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
1 1 11⁄8 1 11⁄8 13⁄16 11⁄4 1 11⁄8 13⁄16 11⁄4 1 11⁄8 13⁄16 11⁄4 1 11⁄8 13⁄16 11⁄4
⁄4 X ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X 1 ⁄4 X
⁄8 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8 1 ⁄8
1
1
1
1
Set Screw
(1) 1/4-20 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90 (1) 5/16-18 @90
Hub (Inches) Diameter Proj.
11⁄2 113⁄16 113⁄16 2 2 2 2 21⁄8 21⁄8 21⁄8 21⁄8 21⁄2 21⁄2 21⁄2 3 3 3 3 3
⁄8 ⁄8 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 7 7
Weight Lbs. (App.)
1.60 2.40 2.40 2.90 2.90 2.90 2.90 3.40 3.40 3.40 3.40 4.60 4.60 4.60 4.60 6.60 6.60 6.60 6.60
8 DP 1-1/2” Face No. Teeth
12 14 15 15 16 16 18 18 18 20 20 20 22 22 22 24 24 24
Catalog Number
TS812BS TS814BS TS815BS TS815BS TS816BS TS816BS TS818BS TS818BS TS818BS TS820BS TS820BS TS820BS TS822BS TS822BS TS822BS TS824BS TS824BS TS824BS
Pressure Angle (Deg.)
3/4 3/4 3/4 7/8 7/8 1 7/8 1 1-1/8 7/8 1 1-1/8 7/8 1 1-1/8 7/8 1 1-1/8
20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
Diameter Pitch
Outside
1.500 1.750 1.875 1.875 2.000 2.000 2.250 2.250 2.250 2.500 2.500 2.500 2.750 2.750 2.750 3.000 3.000 3.000
1.750 2.000 2.125 2.125 2.250 2.250 2.500 2.500 2.500 2.750 2.750 2.750 3.000 3.000 3.000 3.250 3.250 3.250
Type
B B B B B B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
⁄4 ⁄4 3 ⁄4 7 ⁄8 7 ⁄8 1 7 ⁄8 1 11⁄8 7 ⁄8 1 11⁄8 7 ⁄8 1 11⁄8 7 ⁄8 1 11⁄8
⁄16 X ⁄16 X 3 ⁄16 X 3 ⁄16 X 3 ⁄16 X 1 ⁄4 X 3 ⁄16 X 1 ⁄4 X 1 ⁄4 X 3 ⁄16 X 1 ⁄4 X 1 ⁄4 X 3 ⁄16 X 1 ⁄4 X 1 ⁄4 X 3 ⁄16 X 1 ⁄4 X 1 ⁄4 X
⁄32 ⁄32 3 ⁄32 3 ⁄32 3 ⁄32 1 ⁄8 3 ⁄32 1 ⁄8 1 ⁄8 3 ⁄32 1 ⁄8 1 ⁄8 3 ⁄32 1 ⁄8 1 ⁄8 3 ⁄32 1 ⁄8 1 ⁄8
3
3
3
3
3
3
Set Screw
(1) 10-24 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 5/16-18 @ 90
Hub (Inches) Diameter Proj.
11⁄8 15⁄16 17⁄16 17⁄16 19⁄16 19⁄16 113⁄16 113⁄16 113⁄16 21⁄16 21⁄16 21⁄16 25⁄16 25⁄16 25⁄16 29⁄16 29⁄16 29⁄16
⁄4 ⁄4 ⁄4 3 ⁄4 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 7 ⁄8 3
3 3
Weight Lbs. (App.)
0.70 1.00 1.20 1.20 1.40 1.40 1.90 1.90 1.90 2.50 2.50 2.50 3.20 3.20 3.20 3.90 3.90 3.90
10 DP 1-1/4” Face No. Teeth
12 14 15 16 18 20 20 24 24 25 25 28 28
Catalog Number
TS1012BS TS1014BS TS1015BS TS1016BS TS1018BS TS1020BS TS1020BS TS1024BS TS1024BS TS1025BS TS1025BS TS1028BS TS1028BS
Pressure Angle (Deg.)
5/8 5/8 3/4 3/4 7/8 7/8 1 7/8 1 7/8 1 7/8 1
20 20 20 20 20 20 20 20 20 20 20 20 20
Diameter Pitch
Outside
1.200 1.400 1.500 1.600 1.800 2.000 2.000 2.400 2.400 2.500 2.500 2.800 2.800
Type
1.400 1.600 1.700 1.800 2.000 2.200 2.200 2.600 2.600 2.700 2.700 3.000 3.000
B B B B B B B B B B B B B
Outside
Type
Bore (Inches) Stock Keyway
⁄8 ⁄8 ⁄4 3 ⁄4 7 ⁄8 7 ⁄8 1 7 ⁄8 1 7 ⁄8 1 7 ⁄8 1
⁄16 X ⁄16 X ⁄16 X 3 ⁄16 X 3 ⁄16 X 3 ⁄16 X 1 ⁄4 X 3 ⁄16 X 1 ⁄4 X 3 ⁄16 X 1 ⁄4 X 3 ⁄16 X 1 ⁄4 X
⁄32 ⁄32 ⁄32 3 ⁄32 3 ⁄32 3 ⁄32 1 ⁄8 3 ⁄32 1 ⁄8 3 ⁄32 1 ⁄8 3 ⁄32 1 ⁄8
5
3
3
5
3
3
3
3
3
Set Screw
(1) 10-24 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90
Hub (Inches) Diameter Proj.
⁄32 17⁄64 7 1 ⁄32 15⁄16 111⁄32 139⁄64 139⁄64 113⁄16 113⁄16 27⁄64 27⁄64 213⁄32 213⁄32 29
⁄8 ⁄8 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5
5 5
Weight Lbs. (App.)
0.40 0.60 0.60 0.70 0.90 1.20 1.20 1.50 1.50 2.00 2.00 2.70 2.70
12 DP 1/2” Face No. Teeth
12 13 14 15 16 18 20 21 21 24 24 24 28 28 28
Catalog Number
TS1212BS TS1213BS TS1214BS TS1215BS TS1216BS TS1218BS TS1220BS TS1221BS TS1221BS TS1224BS TS1228BS TS1228BS TS1228BS TS1228BS TS1228BS
Pressure Angle (Deg.)
1/2 5/8 5/8 5/8 5/8 3/4 3/4 3/4 7/8 3/4 7/8 1 3/4 7/8 1
20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
Diameter Pitch
1.000 1.083 1.167 1.250 1.333 1.500 1.667 1.750 1.750 2.000 2.000 2.000 2.333 2.333 2.333
* Recommended maximum bore with keyway and set screw.
1.167 1.250 1.333 1.417 1.500 1.667 1.833 1.917 1.917 2.167 2.167 2.167 2.500 2.500 2.500
B B B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
⁄2 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 3 ⁄4 3 ⁄4 3 ⁄4 7 ⁄8 3 ⁄4 7 ⁄8 1 3 ⁄4 7 ⁄8 1 1 5
NONE NONE 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 1 ⁄4 X 1⁄8 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 1 ⁄4 X 1⁄8
Set Screw
(1) 10-24 (1) 1/4-20 @ 90 (1) 10-24 @ 90 (1) 10-24 @ 90 (1)1/4-20 @ 90 (1)1/4-20 @ 90 (1)1/4-20 @ 90 (1)1/4-20 @ 90 (1)1/4-20 @ 90 (1)1/4-20 @ 90 (1)1/4-20 @ 90 (1) 5/16-18 @ 90 (1)1/4-20 @ 90 (1)1/4-20 @ 90 (1) 5/16-18 @ 90
Hub (Inches) Diameter Proj.
⁄4 ⁄16 29 ⁄32 63 ⁄64 11⁄16 11⁄4 15⁄16 125⁄64 125⁄64 141⁄64 141⁄64 141⁄64 21⁄16 21⁄16 21⁄16 3
13
⁄8 ⁄8 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 ⁄8 5 5 5
20° P.A. Gears Will Not Operate With 141⁄2° P.A.
Weight Lbs. (App.)
0.21 0.21 0.28 0.34 0.41 0.51 0.65 0.75 0.75 1.06 1.06 1.06 1.60 1.60 1.60
Martin
Bored-to-Size Gears • 20º Pressure Angle
Bored-to-Size Gears - Off the Shelf Availability You’ve always been able to count on Martin to provide the highest quality gears built to exacting standards. Now Martin offers bored-to-size gears with off-the-shelf convenience. Martin can deliver gears bored to your specifications with the same delivery times as any of our stock items. No more waiting days or weeks for your bored-to-size gears. Martin uses state of the art CNC machines to hold tight tolerances and deliver a quality product.
Martin’s complete gear product line includes: • Spur Gears • Miter Gears • Bevel Gears • Rack Gears • Gear Rack • Worm Gears and now BORED-TO-SIZE GEARS
16 DP 1/2” Face No. Teeth
Catalog Number
Pressure Angle (Deg.)
Diameter Pitch
Outside
Type
Bore (Inches) Stock Keyway
12 14 15 15 16 18 20 24 24 28 28 30 30 30
TS1612BS TS1614BS TS1615BS TS1615BS TS1616BS TS1618BS TS1620BS TS1624BS TS1624BS TS1628BS TS1628BS TS1630BS TS1630BS TS1630BS
3/8 3/8 3/8 1/2 1/2 1/2 5/8 5/8 3/4 5/8 3/4 5/8 3/4 7/8
20 20 20 20 20 20 20 20 20 20 20 20 20 20
0.750 0.875 0.937 0.937 1.000 1.125 1.250 1.500 1.500 1.750 1.750 1.875 1.875 1.875
0.875 1.000 1.063 1.063 1.125 1.250 1.375 1.625 1.625 1.875 1.875 2.000 2.000 2.000
B B B B B B B B B B B B B B
3
32 32 32 32
TS1632BS TS1632BS TS1632BS TS1632BS
5/8 3/4 7/8 1
20 20 20 20
2.000 2.000 2.000 2.000
2.125 2.125 2.125 2.125
B B B B
Set Screw
Hub (Inches) Diameter Proj.
⁄8 ⁄8 3 ⁄8 1 ⁄2 1 ⁄2 1 ⁄2 5 ⁄8 5 ⁄8 3 ⁄4 5 ⁄8 3 ⁄4 5 ⁄8 3 ⁄4 7 ⁄8
NONE NONE NONE NONE NONE NONE 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32
(1) 8-32 (1) 10-24 (1) 10-24 (1) 10-24 (1) 10-24 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90
9 16 11 16 3 4 3 4
⁄ ⁄ ⁄ ⁄ 13 ⁄16 15 ⁄16 11⁄16 15⁄16 15⁄16 11⁄2 11⁄2 15⁄8 15⁄8 15⁄8
1
5
⁄8 ⁄4 7 ⁄8 1
3
⁄16 X ⁄16 X 3 ⁄16 X 1 ⁄4 X
3
3
3
(1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90 (1) 5/16-18 @ 90
13⁄4 13⁄4 13⁄4 13⁄4
1
3
3
⁄32 ⁄32 3 ⁄32 1 ⁄8
Weight Lbs. (App.)
⁄2 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2
0.09 0.14 0.17 0.17 0.17 0.24 0.28 0.46 0.46 0.65 0.65 0.77 0.77 0.77
⁄2 ⁄2 ⁄2 1 ⁄2
0.90 0.90 0.90 0.90
1
1 1
20 DP 1/2” Face No. Teeth
12 14 15 16 18 20 24 25 30 35 40 40 40
Catalog Number
TS2012BS TS2014BS TS2015BS TS2016BS TS2018BS TS2020BS TS2024BS TS2025BS TS2030BS TS2035BS TS2040BS TS2040BS TS2040BS
Pressure Angle (Deg.)
5/16 5/16 3/8 1/2 3/8 1/2 1/2 1/2 1/2 1/2 1/2 5/8 3/4
20 20 20 20 20 20 20 20 20 20 20 20 20
Diameter Pitch
0.600 0.700 0.750 0.800 0.900 1.000 1.200 1.250 1.500 1.750 2.000 2.000 2.000
Outside
0.700 0.800 0.850 0.900 1.000 1.100 1.300 1.350 1.600 1.850 2.100 2.100 2.100
Type
B B B B B B B B B B B B B
Bore (Inches) Stock Keyway
⁄16 ⁄16 3 ⁄8 3 ⁄8 3 ⁄8 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2 5 ⁄8 3 ⁄4
5 5
NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE 3 ⁄16 X 3⁄32 3 ⁄16 X 3⁄32
Set Screw
#35 P.H. #35 P.H. (1) 8-32 (1) 8-32 (1) 10-24 (1) 10-24 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 (1) 1/4-20 @ 90 (1) 1/4-20 @ 90
Hub (Inches) Diameter Proj.
⁄32 ⁄64 39 ⁄64 21 ⁄32 3 ⁄4 55 ⁄64 11⁄16 17⁄64 123⁄64 19⁄16 113⁄16 113⁄16 113⁄16
⁄16 ⁄16 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 7 ⁄16 1 ⁄2 1 ⁄2 1 ⁄2 1 ⁄2
15
7
35
7 7
Weight Lbs. (App.)
0.04 0.06 0.07 0.08 0.12 0.13 0.22 0.24 0.38 0.56 0.76 0.76 0.76
Available from any of Martin’s North American branches.
USA
Charlotte, NC
Manufacturing Only
General Offices Sales and Manufacturing
704-394-9111 (FAX 704-394-9122)
Arlington, TX
847-298-8844 (FAX 847-298-2967)
817-258-3000 (FAX 817-258-3333)
Denver, CO
Abilene, TX Clarksville, TX Dallas, TX Paragould, AR (Includes the Plastics Div.)
Sales and Manufacturing
303-371-8466 (FAX 303-371-7116)
Chicago, IL
CANADA
Detroit, MI
Danielsville, PA 610-837-1841 (FAX 610-837-7337)
Ft. Worth, TX (Conveyor Division) 817-258-3000 (FAX 817-258-3173)
Mansfield, TX 817-473-1520 (FAX 817-473-0465)
Montpelier, OH 419-485-5515 (FAX 419-485-3565)
734-367-0238 (FAX 734-367-0547)
Houston, TX 713-849-4330 (FAX 713-849-4807)
Kansas City, MO
Sales and Manufacturing Martin Sprocket & Gear Canada Inc. Mississauga, Ontario, Canada L5T 1R9 905-670-1991 (FAX 905-670-2110)
Los Angeles, CA
Martin Sprocket & Gear Canada Inc. (Conveyor Division)
323-728-8117 (FAX 323-722-7526)
Ayr, Ontario 519-621-0546 (FAX 519-621-4413)
816-231-5575 (FAX 816-231-1959)
Minneapolis, MN
MEXICO
Sacramento, CA
952-829-0623 (FAX 952-944-9385)
916-441-7172 (FAX 916-441-4600)
Portland, OR
Scottdale, GA
503-223-7261 (FAX 503-221-0203)
Sales and Manufacturing Martin Sprocket & Gear de Mexico,
404-292-8744 (FAX 404-292-7771)
Tampa, FL
S.A. de C.V.
Ft. Worth, TX (Tool & Forge Division)
813-623-1705 (FAX 813-626-8953)
+52 722 279 0023 (FAX +52 722 279 0024)
817-258-3000 (FAX 817-258-3173)
Wayne, NJ
Mini Manufacturing Centers
973-633-5700 (FAX 973-633-7196)
Boston, MA 508-634-3990 (FAX 508-634-3998)
Martin SPROCKET & GEAR, INC. • www.martinsprocket.com • copyright© 2002