System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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Bore Type Bore Type |
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![]() | Finished |
ID ID | Show |
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ID ID | Hide |
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OD OD |
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Keyway Width Keyway Width |
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For Roller Chain Strand Type For Roller Chain Strand Type |
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![]() | Single |
Sprocket Type Sprocket Type |
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Roller Chain Standard Roller Chain Standard |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Teeth Heat Treatment Teeth Heat Treatment |
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Bushing Type Bushing Type |
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About Roller Chain and Sprockets
More
Sprockets for ANSI Roller Chain

Mount these sprockets onto your shaft and secure with a set screw—no machining necessary.
For technical drawings and 3-D models, click on a part number.

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
32 | 1 15/16" | 6.72" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
34 | 1 15/16" | 7.12" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
35 | 1 15/16" | 7.32" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
36 | 1 15/16" | 7.52" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
38 | 1 15/16" | 7.92" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
40 | 1 15/16" | 8.32" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
42 | 1 15/16" | 8.72" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
45 | 1 15/16" | 9.31" | 1 1/4" | 3 3/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
48 | 1 15/16" | 9.91" | 1 1/4" | 3 3/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
54 | 1 15/16" | 11.11" | 1 1/4" | 3 3/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
60 | 1 15/16" | 12.3" | 1 1/4" | 3 3/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
70 | 1 15/16" | 14.29" | 1 3/4" | 3 3/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
72 | 1 15/16" | 14.69" | 1 3/4" | 3 3/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
16 | 1 15/16" | 4.22" | 1 1/4" | 3 1/16" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
17 | 1 15/16" | 4.46" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
18 | 1 15/16" | 4.7" | 1 1/4" | 3 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
19 | 1 15/16" | 4.95" | 1 1/4" | 3 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 15/16" | 5.19" | 1 1/4" | 3 7/8" | 1/2" | 1/4" | Steel | Two Set Screws | 0000000 | 00000 |
21 | 1 15/16" | 5.43" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 0000000 | 00000 |
22 | 1 15/16" | 5.67" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 0000000 | 00000 |
23 | 1 15/16" | 5.91" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 0000000 | 00000 |
24 | 1 15/16" | 6.15" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 0000000 | 00000 |
25 | 1 15/16" | 6.39" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
26 | 1 15/16" | 6.63" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
28 | 1 15/16" | 7.11" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
30 | 1 15/16" | 7.59" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
32 | 1 15/16" | 8.07" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
34 | 1 15/16" | 8.54" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
35 | 1 15/16" | 8.78" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
36 | 1 15/16" | 9.02" | 1 1/4" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
38 | 1 15/16" | 9.5" | 1 1/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
40 | 1 15/16" | 9.98" | 1 1/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
42 | 1 15/16" | 10.46" | 1 1/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
45 | 1 15/16" | 11.18" | 1 1/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
48 | 1 15/16" | 11.89" | 1 1/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
54 | 1 15/16" | 13.33" | 1 3/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
60 | 1 15/16" | 14.76" | 1 3/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
70 | 1 15/16" | 17.15" | 1 3/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
72 | 1 15/16" | 17.63" | 2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
13 | 1 15/16" | 4.66" | 1 1/2" | 3" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
14 | 1 15/16" | 4.98" | 1 1/2" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
15 | 1 15/16" | 5.3" | 1 1/2" | 3 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
16 | 1 15/16" | 5.63" | 1 1/2" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
17 | 1 15/16" | 5.95" | 1 1/2" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
18 | 1 15/16" | 6.27" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
19 | 1 15/16" | 6.59" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
20 | 1 15/16" | 6.91" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
11 | 1 15/16" | 5.01" | 1 7/8" | 3 9/16" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 0000000 |
12 | 1 15/16" | 5.42" | 1 7/8" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 1 15/16" | 5.82" | 1 5/8" | 3 7/8" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
14 | 1 15/16" | 6.23" | 1 5/8" | 4 3/16" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
15 | 1 15/16" | 6.63" | 1 3/4" | 4 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
16 | 1 15/16" | 7.03" | 1 3/4" | 4 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
17 | 1 15/16" | 7.44" | 1 3/4" | 4 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
18 | 1 15/16" | 7.84" | 1 3/4" | 4 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
19 | 1 15/16" | 8.24" | 2" | 4 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
20 | 1 15/16" | 8.64" | 2" | 4 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
Wear-Resistant Sprockets for ANSI Roller Chain

Hardened teeth give these steel sprockets increased wear resistance for a long service life. Mount them onto your shaft and secure with a set screw—no machining necessary.
For technical drawings and 3-D models, click on a part number.

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
16 | 1 15/16" | 4.22" | 1 1/4" | 3 1/16" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
17 | 1 15/16" | 4.46" | 1 1/4" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
18 | 1 15/16" | 4.7" | 1 1/4" | 3 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
19 | 1 15/16" | 4.95" | 1 1/4" | 3 1/2" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 15/16" | 5.19" | 1 1/4" | 3 7/8" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
13 | 1 15/16" | 4.66" | 1 1/2" | 3" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
14 | 1 15/16" | 4.98" | 1 1/2" | 3 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
15 | 1 15/16" | 5.3" | 1 1/2" | 3 13/16" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
16 | 1 15/16" | 5.63" | 1 1/2" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 00000 |
17 | 1 15/16" | 5.95" | 1 1/2" | 4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
18 | 1 15/16" | 6.27" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
19 | 1 15/16" | 6.59" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
20 | 1 15/16" | 6.91" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
Quick-Disconnect (QD) Bushings


The screw connections on these bushings easily mate to compatible quick-disconnect sprockets and pulleys. Bushings fit quick-disconnect (QD) sprockets and pulleys of the same bushing style. As you tighten the included screws, the bushing grips the shaft and pulls it into the sprocket or pulley.
For technical drawings and 3-D models, click on a part number.
Keyway | ||||||||
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For Shaft Dia. | Overall Wd. | Wd. | Dp. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
Clamp On | ||||||||
SD Style Bushing | ||||||||
1 15/16" | 2 3/32" | 1/2" | 1/16" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 000000 |
SDS Style Bushing | ||||||||
1 15/16" | 1 21/32" | 1/2" | 1/16" | 108 | Cast Iron | Clamping Screws, Machine Key | 00000000 | 00000 |
SF Style Bushing | ||||||||
1 15/16" | 2 1/2" | 1/2" | 1/4" | 360 | Steel | Clamping Screws | 00000000 | 00000 |
SK Style Bushing | ||||||||
1 15/16" | 2 9/32" | 1/2" | 1/4" | 180 | Steel | Clamping Screws | 00000000 | 00000 |
Taper-Lock Bushings

Mount these hubless bushings flush into your sprocket or pulley for a slim profile with no protruding screws. They are for use with taper-lock sprockets of the same bushing style. As you tighten the included set screws, the bushing grips the shaft and pulls it into your sprocket or pulley.
Keyway | |||||||||
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For Shaft Dia. | Overall Wd. | Wd. | Dp. | Taper | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
2012 Style Bushing | |||||||||
1 15/16" | 1 1/4" | 1/2" | 3/16" | 8° | 280 | Steel | Machine Key, Set Screws | 000000000 | 000000 |
2517 Style Bushing | |||||||||
1 15/16" | 1 3/4" | 1/2" | 1/4" | 8° | 430 | Steel | Set Screws | 000000000 | 00000 |
3020 Style Bushing | |||||||||
1 15/16" | 2" | 1/2" | 1/4" | 8° | 800 | Steel | Set Screws | 000000000 | 00000 |
Flush-Mount Screw-Clamp Bushings


Insert these bushings into the bore of your sprocket for flush or recessed mounting. They handle shock loads and have higher torque ratings than self-centering bushings. When you tighten the included clamping screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. They can be mounted on shafts with or without keyways.
For technical drawings and 3-D models, click on a part number.
For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
1 15/16" | 3 3/16" | 1 17/64" | 15,400 | 360 | Steel | Clamping Screws | 0000000 | 000000 |