50BS45 Sprocket With 1-1/2" Finished Bore N This 2TB68 Pulley uses a

This 2TB68 Pulley uses a P1-Series Bushing

the 5309 bearing features raceways that are precision honed to a superb finish

Dimension (d): 90mm

This 06B27 sprocket is a durable

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 2TB68 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