40BS43 Sprocket With 7/8" Finished Bore 72-Tooth Sprocket This 35BS26 sprocket features a

This 35BS26 sprocket features a 1-1/8" finished bore including a key-way and two setscrews

ISO Chain #: 20A

Pin Diameter (E): 19

and precision 60 tooth sprocket that is manufactured to accept a S1 bushing

40BS43 Sprocket With 7/8" Finished Bore 72-Tooth Sprocket This 35BS26 sprocket features aThis 40BS43 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,