40BS57 Sprocket With 1-7/16" Finished Bore 40B13 Sprockets the 6218 bearing features raceways

the 6218 bearing features raceways that are precision honed to a superb finish

Our superior HCTB205-14 bearing with a 7/8" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

Housing Number: WP 203

Something else that is notable about this 06B18 sprocket is that it fully meets all ISO Standards

120A14 Sprocket Dimensions

40BS57 Sprocket With 1-7/16" Finished Bore 40B13 Sprockets the 6218 bearing features racewaysThis 40BS57 sprocket features a 1 7 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 #40 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