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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For Roller Chain Strand Type For Roller Chain Strand Type |
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![]() | Double |
Material Material |
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Bearing Type Bearing Type |
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![]() | Ball |
Overall Width Overall Width | Show |
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Overall Width Overall Width | Hide |
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Bore Type Bore Type |
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![]() | Finished |
OD OD |
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Sprocket Type Sprocket Type |
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Bearing Material Bearing Material |
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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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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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Shaft Mount Type Shaft Mount Type |
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Roller Chain Standard Roller Chain Standard |
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For Shaft Type For Shaft Type |
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![]() | Round |
About Roller Chain and Sprockets
More
Idler Sprockets for Double-Strand 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.