50BS37 37-Tooth Sprocket #50 Chain, 1-15/16" Bore 06B Chain Attachments This 41BTB21 sprocket is a

This 41BTB21 sprocket is a durable

41B18 sprockets with a stock bore comes with the standard 5/8" ID hole with no keyway or set screws and can be easily machine bored to custom sizes

120A12 Sprocket Dimensions

the 5303 bearing features raceways that are precision honed to a superb finish

50BS37 37-Tooth Sprocket #50 Chain, 1-15/16" Bore 06B Chain Attachments This 41BTB21 sprocket is aThis 50BS37 sprocket features a 1 15 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