40BS55 High-Performance Sprocket 1-1/4" filter_40BS21-FB This 2BK100 Pulley 1-3/8" bore

This 2BK100 Pulley 1-3/8" bore is directly interchangeable with other manufacturers v-belt pulleys

Sprocket Size: 08B34

Something else that is notable about this 100BS23 sprocket is that it fully meets all ANSI Standards

CSB207-20 bearing is a light-duty ball bearing insert made to C3 precision standards and utilizes set-screws to secure to a 1-1/4" shaft

Sprocket Size: 100BS12

40BS55 High-Performance Sprocket 1-1/4" filter_40BS21-FB This 2BK100 Pulley 1-3/8" boreThis 40BS55 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