40BS44 Sprocket With 7/8" Finished Bore S2 This 40BS54 sprocket features a

This 40BS54 sprocket features a 1" finished bore including a key-way and two setscrews

Sprocket Size: 100A30

2BK90H Pulley Dimensions

Sprocket Size: 100E22

and precision sprocket with 25 hardened teeth that is manufactured to accept a R1 bushing

40BS44 Sprocket With 7/8" Finished Bore S2 This 40BS54 sprocket features aThis 40BS44 sprocket features a 7 8" 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 sprockets,