50BS42 Sprocket With 3/4" Finished Bore 41B42 Sprockets This 1B5V86 Sheave uses a

This 1B5V86 Sheave uses a B bushing

Pitch Diameter (A/ 4L): 15

UCPX13-40 Bearing Dimensions

This 40SH28 sprocket is a durable

50BS42 Sprocket With 3/4" Finished Bore 41B42 Sprockets This 1B5V86 Sheave uses aThis 50BS42 sprocket features a 3 4" 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 sprockets,