Clear All
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 |
For Shaft Type For Shaft Type |
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 | Round |
For Roller Chain Strand Type For Roller Chain Strand Type |
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 | Single |
Overall Width Overall Width | Show |
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Overall Width Overall Width | Hide |
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Bearing Type Bearing Type |
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 | Ball |
Sprocket Type Sprocket Type |
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Bearing Material Bearing Material |
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Hub Diameter Hub Diameter |
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Roller Chain Standard Roller Chain Standard |
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Shaft Mount Type Shaft Mount Type |
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Bearing Seal Type Bearing Seal Type |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Roller Chain and Sprockets
More
Idler Sprockets for ANSI Roller Chain
Maintain constant tension on your drive with these sprockets that press against your chain to take up slack and reduce wear and vibration. They rotate freely on built-in bearings and are for use with roller chain tensioners. Bearings are double sealed to keep dirt out.
For technical drawings and 3-D models, click on a part number.
Bearing | |||||||||
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| Number of Teeth | For Shaft Dia. | OD | Overall Wd. | Hub Dia. | Material | Type | Material | Each | |
For ANSI 40 Roller Chain (1/2" Pitch) | |||||||||
| 18 | 1/2" | 3.14" | 7/16" | 1 3/8" | Steel | Ball | Steel | 0000000 | 000000 |
| 18 | 5/8" | 3.14" | 7/16" | 1 3/8" | Steel | Ball | Steel | 0000000 | 00000 |
For ANSI 41 Roller Chain (1/2" Pitch) | |||||||||
| 18 | 1/2" | 3.14" | 7/16" | 1 3/8" | Steel | Ball | Steel | 0000000 | 00000 |
| 18 | 5/8" | 3.14" | 7/16" | 1 3/8" | Steel | Ball | Steel | 0000000 | 00000 |
For ANSI 50 Roller Chain (5/8" Pitch) | |||||||||
| 17 | 1/2" | 3.72" | 7/16" | 1 3/8" | Steel | Ball | Steel | 0000000 | 00000 |
| 17 | 5/8" | 3.72" | 7/16" | 1 3/8" | Steel | Ball | Steel | 0000000 | 00000 |
For ANSI 60 Roller Chain (3/4" Pitch) | |||||||||
| 15 | 1/2" | 3.98" | 7/16" | 1 3/8" | Steel | Ball | Steel | 0000000 | 00000 |
| 15 | 5/8" | 3.98" | 7/16" | 1 3/8" | Steel | Ball | Steel | 0000000 | 00000 |