50BS45 Sprocket With 1-1/2" Finished Bore N This 50BS42 sprocket features a

This 50BS42 sprocket features a 1-1/4" finished bore including a key-way and two setscrews

This 120E24 sprocket is a durable

120BS32 1" Finished Bore Sprocket Dimensions

40C16 sprockets with a stock bore comes with the standard 1/2" ID hole with no keyway or set screws and can be easily machine bored to custom sizes

50BS45 Sprocket With 1-1/2" Finished Bore N This 50BS42 sprocket features aThis 50BS45 sprocket features a 1 1 2" 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