40BS55 High-Performance Sprocket 1-1/4" filter_40BS21-FB Something else that is notable

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

What separates this three groove 3TB154 pulley from the others is that it is made using a high grade-35 cast iron

HCFJT207-21 bearing is a 1-5/16" bore two-bolt normal-duty flange bearing that utilizes an eccentric locking collar device to secure to a 1-5/16" shaft

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

40BS55 High-Performance Sprocket 1-1/4" filter_40BS21-FB Something else that is notableThis 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