Roller Chain Trade Size Roller Chain Trade Size |
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Number of Teeth Number of Teeth |
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System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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OD OD | Show |
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OD OD | Hide |
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Bore Type Bore Type |
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| Finished | Machinable |
Material Material |
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For Roller Chain Strand Type For Roller Chain Strand Type |
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 | Single |
Roller Chain Standard Roller Chain Standard |
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Overall Width Overall Width |
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Hub Diameter Hub Diameter |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Sprocket Type Sprocket Type |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Shaft Mount Type Shaft Mount Type |
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For Maximum Shaft Diameter For Maximum Shaft Diameter |
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Teeth Heat Treatment Teeth Heat Treatment |
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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" | 6.91" | 1 1/2" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 0000000 |
| 20 | 1 1/8" | 6.91" | 1 1/2" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 0000000 | 000000 |
| 20 | 1 3/16" | 6.91" | 1 1/2" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 1/4" | 6.91" | 1 1/2" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 3/8" | 6.91" | 1 1/2" | 4 1/4" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 7/16" | 6.91" | 1 1/2" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 1/2" | 6.91" | 1 1/2" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 5/8" | 6.91" | 1 1/2" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 3/4" | 6.91" | 1 1/2" | 4 1/4" | 3/8" | 3/16" | 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 |
| 20 | 2" | 6.91" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 2 3/16" | 6.91" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 0000000 | 000000 |
| 20 | 2 7/16" | 6.91" | 1 1/2" | 4 1/4" | 5/8" | 5/16" | Steel | Two Set Screws | 000000 | 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.
| Number of Teeth | For Shaft Dia. | For Max. Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 80 Roller Chain (1" Pitch) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 20 | 1" | 2 3/4" | 6.91" | 1 1/2" | 4 1/4" | Steel | 0000000 | 0000000 |
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" | 6.91" | 1 1/2" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 0000000 |
| 20 | 1 1/8" | 6.91" | 1 1/2" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 3/16" | 6.91" | 1 1/2" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 1/4" | 6.91" | 1 1/2" | 4 1/4" | 1/4" | 1/8" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 3/8" | 6.91" | 1 1/2" | 4 1/4" | 5/16" | 5/32" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 7/16" | 6.91" | 1 1/2" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 1/2" | 6.91" | 1 1/2" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 5/8" | 6.91" | 1 1/2" | 4 1/4" | 3/8" | 3/16" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 1 3/4" | 6.91" | 1 1/2" | 4 1/4" | 3/8" | 3/16" | 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 |
| 20 | 2" | 6.91" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 2 3/16" | 6.91" | 1 1/2" | 4 1/4" | 1/2" | 1/4" | Steel | Two Set Screws | 00000000 | 000000 |
| 20 | 2 7/16" | 6.91" | 1 1/2" | 4 1/4" | 5/8" | 5/16" | Steel | Two Set Screws | 00000000 | 000000 |
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.
| Number of Teeth | For Shaft Dia. | For Max. Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Each | |
For ANSI 80 Roller Chain (1" Pitch) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 20 | 1" | 2 3/4" | 6.91" | 1 1/2" | 4 1/4" | 18-8 Stainless Steel | 0000000 | 0000000 |