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140C70 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
and precision 57-tooth sprocket that is manufactured out of high-quality steel
This 50BS22 sprocket featured a 7/8" finished bore with a key-way and two set screws
5303 Bearing Dimensions
60BS38 Sprocket With 1-5/8" Finished Bore Clearance 140C70 sprockets with a stockThis 60BS38 sprocket features a 1 5 8" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #60 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore
