50BS45 Sprocket With 1-1/2" Finished Bore N This 4TB40 Pulley uses a

This 4TB40 Pulley uses a P1-Series Bushing

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

Dimension (d): 90mm

Dimension (C): 4

This 120E24 sprocket is a durable

50BS45 Sprocket With 1-1/2" Finished Bore N This 4TB40 Pulley uses 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