40BS42 High-Performance Sprocket 1-1/4" Roller Chain Roller Link This 100BS20 sprocket features a

This 100BS20 sprocket features a 2" finished bore with a key-way and two set screws

Sprocket Weight: 102

Our superior HCFJT207-22 bearing with a 1-3/8" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

ANSI Equivalent #: 25-2

40BS42 High-Performance Sprocket 1-1/4" Roller Chain Roller Link This 100BS20 sprocket features aThis 40BS42 sprocket features a 1 1 4" 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