41BS70 High-Performance Sprocket 1-1/2" 40B9 Sprockets What separates this double 2BK140

What separates this double 2BK140 pulley from the others is that it is made using a high grade-35 cast iron

HCTB202-10 Bearing Dimensions

Pitch Diameter (A/ 4L): 6

This 41BS54 sprocket features a 1-3/8" finished bore including a key-way and two setscrews

41BS70 High-Performance Sprocket 1-1/2" 40B9 Sprockets What separates this double 2BK140This 41BS70 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 #41 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