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System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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Number of Teeth Number of Teeth | Show |
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Number of Teeth Number of Teeth | Hide |
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Material Material |
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Bore Type Bore Type |
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![]() | Finished |
For Roller Chain Strand Type For Roller Chain Strand Type |
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Shaft Mount Type Shaft Mount Type |
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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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About Roller Chain and Sprockets
More
Sprockets for ANSI Roller Chain

Without Keyway

With Keyway
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.
For ANSI 25 Roller Chain (1/4" Pitch)

Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 54 | 1/2" | 4.44" | 3/4" | 2" | __ | __ | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 5/8" | 4.44" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 3/4" | 4.44" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 7/8" | 4.44" | 3/4" | 2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1" | 4.44" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 1/4" | 4.44" | 3/4" | 2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 3/8" | 4.44" | 3/4" | 2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
For ANSI 35 Roller Chain (3/8" Pitch)

Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 54 | 5/8" | 6.66" | 1" | 2 1/4" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 3/4" | 6.66" | 1" | 2 1/4" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 7/8" | 6.66" | 1" | 2 1/4" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1" | 6.66" | 1" | 2 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 1/4" | 6.66" | 1" | 2 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 3/8" | 6.66" | 1" | 2 1/4" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 1/2" | 6.66" | 1" | 2 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
For ANSI 40 Roller Chain (1/2" Pitch)

Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 54 | 3/4" | 8.88" | 1 1/8" | 3 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 7/8" | 8.88" | 1 1/8" | 3 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1" | 8.88" | 1 1/8" | 3 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 1/4" | 8.88" | 1 1/8" | 3 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 3/8" | 8.88" | 1 1/8" | 3 1/2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 1/2" | 8.88" | 1 1/8" | 3 1/2" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
For ANSI 41 Roller Chain (1/2" Pitch)

Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 54 | 3/4" | 8.89" | 1 1/16" | 3 1/2" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1" | 8.89" | 1 1/16" | 3 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 1/4" | 8.89" | 1 1/16" | 3 1/2" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 3/8" | 8.89" | 1 1/16" | 3 1/2" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 54 | 1 1/2" | 8.89" | 1 1/16" | 3 1/2" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 00000 |
For ANSI 50 Roller Chain (5/8" Pitch)

Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 54 | 1" | 11.11" | 1 1/4" | 3 3/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 0000000 |
| 54 | 1 1/8" | 11.11" | 1 1/4" | 3 3/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 3/16" | 11.11" | 1 1/4" | 3 3/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 1/4" | 11.11" | 1 1/4" | 3 3/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 3/8" | 11.11" | 1 1/4" | 3 3/4" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 7/16" | 11.11" | 1 1/4" | 3 3/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 1/2" | 11.11" | 1 1/4" | 3 3/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 5/8" | 11.11" | 1 1/4" | 3 3/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 3/4" | 11.11" | 1 1/4" | 3 3/4" | 3/8" | 3/16" | 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 | 000000 |
For ANSI 60 Roller Chain (3/4" Pitch)

Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 54 | 1" | 13.33" | 1 3/4" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 0000000 |
| 54 | 1 1/8" | 13.33" | 1 3/4" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 3/16" | 13.33" | 1 3/4" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 1/4" | 13.33" | 1 3/4" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 3/8" | 13.33" | 1 3/4" | 4 1/4" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 7/16" | 13.33" | 1 3/4" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 1/2" | 13.33" | 1 3/4" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 5/8" | 13.33" | 1 3/4" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 1 3/4" | 13.33" | 1 3/4" | 4 1/4" | 3/8" | 3/16" | 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 |
| 54 | 2" | 13.33" | 1 3/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 2 3/16" | 13.33" | 1 3/4" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
| 54 | 2 7/16" | 13.33" | 1 3/4" | 4 1/4" | 5/8" | 5/16" | Steel | Two Set Screws | 00000000 | 000000 |



























