50BS37 Sprocket With 1-3/8" Finished Bore #40 Stainless Steel Hollow Pin Roller Chain This 40BS112 sprocket features a

This 40BS112 sprocket features a 1-7/16" finished bore including a key-way and two setscrews

Bore: 2-7/8"

This 1B46SDS sheave features one groove

Something that sets this 2060B25 sprocket apart from others is that it is Black Oxide Finished

50BS37 Sprocket With 1-3/8" Finished Bore #40 Stainless Steel Hollow Pin Roller Chain This 40BS112 sprocket features aThis 50BS37 sprocket features a 1 3 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 #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