System of Measurement System of Measurement |
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For Roller Chain Strand Type For Roller Chain Strand Type |
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![]() | Single |
Bore Type Bore Type |
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![]() | Finished |
For Shaft Type For Shaft Type |
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![]() | Round |
Bearing Type Bearing Type |
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![]() | Ball |
Sprocket Type Sprocket Type |
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Shaft Mount Type Shaft Mount Type |
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Roller Chain Standard Roller Chain Standard |
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Overall Width Overall Width | Show |
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Overall Width Overall Width | Hide |
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Hub Diameter Hub Diameter |
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Bearing Seal Type Bearing Seal Type |
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Bearing Material Bearing Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Roller Chain and Sprockets
More
Lightweight Idler Sprockets for ANSI Roller Chain


Made of nylon, these sprockets are lightweight, quiet, and corrosion resistant. Designed to rotate freely on built-in bearings, idler sprockets maintain constant tension on your drive by pressing against your chain to take up slack and reduce wear and vibration. They 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) | |||||||||
17 | 5/8" | 3" | 43/64" | 1 9/16" | Nylon Plastic | Ball | Steel | 0000000 | 000000 |
17 | 3/4" | 3" | 43/64" | 1 9/16" | Nylon Plastic | Ball | Steel | 0000000 | 00000 |
For ANSI 50 Roller Chain (5/8" Pitch) | |||||||||
15 | 5/8" | 3.34" | 43/64" | 1 9/16" | Nylon Plastic | Ball | Steel | 0000000 | 00000 |
15 | 3/4" | 3.34" | 43/64" | 1 9/16" | Nylon Plastic | Ball | Steel | 0000000 | 00000 |
For ANSI 60 Roller Chain (3/4" Pitch) | |||||||||
13 | 5/8" | 3.5" | 43/64" | 1 9/16" | Nylon Plastic | Ball | Steel | 0000000 | 00000 |
13 | 3/4" | 3.5" | 43/64" | 1 9/16" | Nylon Plastic | Ball | Steel | 0000000 | 00000 |
For ANSI 80 Roller Chain (1" Pitch) | |||||||||
12 | 5/8" | 4.4" | 43/64" | 1 9/16" | Nylon Plastic | Ball | Steel | 0000000 | 00000 |
12 | 3/4" | 4.4" | 43/64" | 1 9/16" | Nylon Plastic | Ball | Steel | 0000000 | 00000 |
ANSI Roller Chain and Links for Flat-Belt Pulleys



Also known as leaf chain and counterbalance chain, this chain is used with pulleys rather than sprockets for low-speed pulling and as counterweight chain for machine tools, elevator and oven doors, and forklift masts. Made of interlaced plates held together by rivet pins, it has a higher tensile strength than roller chain and is used with flat pulleys instead of sprockets.
When servicing worn leaf chain, replace the entire chain—do not splice chains together or mix old and new chain.
Clevis connecting links attach your chain to a clevis.
For technical drawings and 3-D models, click on a part number.