50BS45 Sprocket With 1-3/16" Finished Bore 3535 This 128V1600M Sheave uses an

This 128V1600M Sheave uses an M bushing

This 120B17 sprocket is a durable

Something that sets this 2050B21 sprocket apart from others is that it is Black Oxide Finished

HCFJT211 bearings are commonly used in applications such as

50BS31 1 15/16" Finished Bore Sprocket Dimensions

50BS45 Sprocket With 1-3/16" Finished Bore 3535 This 128V1600M Sheave uses anThis 50BS45 sprocket features a 1 3 16" 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 #50 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