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40BS21 1-7/16" Finished Bore Sprocket Dimensions:
Bore Size: 2-15/16"
50A23 Sprocket Dimensions
the 5312 bearing features raceways that are precision honed to a superb finish
160C70 sprockets with a stock bore come with the standard 1-1/2" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes
60BS24 Sprocket With 1" Finished Bore 120B25 Sprockets 40BS21 1-7/16" Finished Bore SprocketThis 60BS24 sprocket featured a 1" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #60 roller chain and sprocket thus preventing premature wear or
