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ANSI Chain Coupling Sprockets

Coupling sprockets are manufactured to ANSI B29 standards but have a smaller outside diameter and use a special tooth profile as shown in the photo below.

This tooth profile allows for the sprockets to seat the chain properly and run inside a coupling cover. It is always recommended to use an aluminum coupling chain cover when running roller chain couplings for safety, performance, and durability reasons. We standardly stock plain-bore, finished bore, and bushed style coupling sprockets. If you don't see the specific sprocket needed please contact us and we can custom manufacture it.
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4012 Coupling Half Sprocket 4012 Coupling Sprocket With Stock Bore


List Price: $19.99
Our Price: $11.99
Savings: $8.00
4016JA Coupling Half Sprocket 4016JA Coupling Sprocket QD Type


Our Price: $19.99
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