40BS72 High-Performance Sprocket 1-1/2" 10B B-Hub Sprockets Dimension (B): 47mm

Dimension (B): 47mm

What separates this 1TB154 pulley from the others is that it is made using a high grade-35 cast iron

Part #: HCST204

the 5306 bearing features raceways that are precision honed to a superb finish

40BS72 High-Performance Sprocket 1-1/2" 10B B-Hub Sprockets Dimension (B): 47mmThis 40BS72 sprocket features a 1 1 2" 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