Clear All
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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Material Material |
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Bore Type Bore Type |
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| Finished | Machinable |
OD OD | Show |
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OD OD | Hide |
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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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Shaft Mount Type Shaft Mount Type |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Sprocket Type Sprocket Type |
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Hub Diameter Hub Diameter |
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Overall Width Overall Width |
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Keyway Depth Keyway Depth |
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Keyway Width Keyway Width |
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For Maximum Shaft Diameter For Maximum Shaft Diameter |
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About Roller Chain and Sprockets
More
Sprockets for ANSI Roller Chain
With Keyway
Without 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 | ||||||||||
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| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Wd. | Dp. | Material | Includes | Each | |
| 21 | 1/4" | 1.81" | 5/8" | 1 3/8" | __ | __ | Steel | Two Set Screws | 00000000 | 000000 |
| 21 | 3/8" | 1.81" | 5/8" | 1 3/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 1/2" | 1.81" | 5/8" | 1 3/8" | __ | __ | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 5/8" | 1.81" | 5/8" | 1 3/8" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 3/4" | 1.81" | 5/8" | 1 3/8" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
| 21 | 7/8" | 1.81" | 5/8" | 1 3/8" | 3/16" | 3/32" | Steel | Two Set Screws | 00000000 | 00000 |
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 25 Roller Chain (1/4" Pitch) | ||||||||
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| 21 | 1/4" | 7/8" | 1.81" | 5/8" | 1 3/8" | Steel | 0000000 | 000000 |