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This 40BS31 sprocket features a 1-1/8" finished bore including a key-way and two setscrews
Sheave Size: 1C100SF
40B38 sprockets with a stock bore comes with the standard 5/8" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes
Width Between Inner Plates (O): 0
UCF210-31 bearings are commonly used in applications such as
41BS48 Sprocket With 1" Finished Bore S2 This 40BS31 sprocket features aThis 41BS48 sprocket features a 1" 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 #41 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 sprockets,
