50BS112 High-Performance Sprocket 1-1/2", USA Roller Chain filter_50B55-SB This 41BS54 sprocket features a

This 41BS54 sprocket features a 1-1/4" finished bore including a key-way and two setscrews

Size: 3TB68

6008-2RS Ball Bearing Dimensions

While the phosphate coated and then painted finish adds corrosion resistance to the 2BK130 pulley

50BS112 High-Performance Sprocket 1-1/2", USA Roller Chain filter_50B55-SB This 41BS54 sprocket features aThis 50BS112 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 #50 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