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 |
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Machinable |
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Bushing |
Material Material |
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For Roller Chain Strand Type For Roller Chain Strand Type |
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Roller Chain Standard Roller Chain Standard |
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Hub Diameter Hub Diameter | Show |
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Hub Diameter Hub Diameter | Hide |
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For Bushing Type For Bushing Type |
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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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Sprocket Type Sprocket Type |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Shaft Mount Type Shaft Mount 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 | |
20 | 1" | 5.19" | 1 1/4" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
20 | 1 1/8" | 5.19" | 1 1/4" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 3/16" | 5.19" | 1 1/4" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 1/4" | 5.19" | 1 1/4" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 3/8" | 5.19" | 1 1/4" | 3 7/8" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 7/16" | 5.19" | 1 1/4" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 1/2" | 5.19" | 1 1/4" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 5/8" | 5.19" | 1 1/4" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 3/4" | 5.19" | 1 1/4" | 3 7/8" | 3/8" | 3/16" | 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 |

Keyway | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
13 | 1" | 5.82" | 1 5/8" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 0000000 |
13 | 1 1/8" | 5.82" | 1 5/8" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 1 3/16" | 5.82" | 1 5/8" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 1 1/4" | 5.82" | 1 5/8" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 1 3/8" | 5.82" | 1 5/8" | 3 7/8" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 1 7/16" | 5.82" | 1 5/8" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 1 1/2" | 5.82" | 1 5/8" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 1 5/8" | 5.82" | 1 5/8" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 1 3/4" | 5.82" | 1 5/8" | 3 7/8" | 3/8" | 3/16" | 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 |
13 | 2" | 5.82" | 1 5/8" | 3 7/8" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
13 | 2 3/16" | 5.82" | 1 5/8" | 3 7/8" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
Machinable-Bore Sprockets for ANSI Roller Chain


For a custom fit on your shaft, these sprockets can be machined to your exact specifications. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size.
For technical drawings and 3-D models, click on a part number.
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 | |
20 | 1" | 5.19" | 1 1/4" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
20 | 1 1/8" | 5.19" | 1 1/4" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 3/16" | 5.19" | 1 1/4" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 1/4" | 5.19" | 1 1/4" | 3 7/8" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 3/8" | 5.19" | 1 1/4" | 3 7/8" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 7/16" | 5.19" | 1 1/4" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 1/2" | 5.19" | 1 1/4" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 5/8" | 5.19" | 1 1/4" | 3 7/8" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
20 | 1 3/4" | 5.19" | 1 1/4" | 3 7/8" | 3/8" | 3/16" | 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 |
Machinable-Bore Corrosion-Resistant Sprockets for ANSI Roller Chain


For a custom fit on your shaft, these sprockets can be machined to your exact specifications. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size. Made of stainless steel, they withstand washdown conditions and harsh environments.
For technical drawings and 3-D models, click on a part number.
Quick-Disconnect (QD) Bushing-Bore Sprockets for ANSI Roller Chain


The same sprocket can be used with different shaft diameters; choose a compatible quick-disconnect bushing with the bore size you need.
For technical drawings and 3-D models, click on a part number.
Number of Teeth | For Bushing Style | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 50 Roller Chain (5/8" Pitch) | |||||||
---|---|---|---|---|---|---|---|
60 | SK | 12.3" | 1 1/4" | 3 7/8" | Steel | 00000000 | 0000000 |
For ANSI 60 Roller Chain (3/4" Pitch) | |||||||
26 | SK | 6.63" | 1 1/4" | 3 7/8" | Steel | 000000000 | 00000 |
28 | SK | 7.11" | 1 1/4" | 3 7/8" | Steel | 000000000 | 00000 |
30 | SK | 7.59" | 1 1/4" | 3 7/8" | Steel | 000000000 | 00000 |
32 | SK | 8.07" | 1 1/4" | 3 7/8" | Steel | 000000000 | 000000 |
36 | SK | 9.02" | 1 1/4" | 3 7/8" | Steel | 000000000 | 000000 |
40 | SK | 9.98" | 1 1/4" | 3 7/8" | Steel | 000000000 | 000000 |
Taper-Lock Bushing-Bore Sprockets for ANSI Roller Chain


Get the same sizing versatility as quick-disconnect sprockets while using less space. The bushings for these sprockets mount flush inside the sprocket hub for a slim profile. The same sprocket can be used with different shaft diameters; choose a compatible taper-lock bushing with the bore size you need.
For technical drawings and 3-D models, click on a part number.
Number of Teeth | For Bushing Style | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 50 Roller Chain (5/8" Pitch) | |||||||
---|---|---|---|---|---|---|---|
23 | 2012 | 4.922" | 1 1/4" | 3 7/8" | Steel | 0000000 | 000000 |