50BS15 Sprocket With 1-1/4" Finished Bore Double Roller Chain Sprockets What separates this double 2BK190

What separates this double 2BK190 pulley from the others is that it is made using a high grade-35 cast iron

This 3B56SD sheave features three grooves

Sprocket Size: 50B18

50A52 sprockets with a stock bore comes with a 15/16" inside diameter plain hole and can be easily machine bored to custom sizes

Bore Size: 1/4" X 1/8"

50BS15 Sprocket With 1-1/4" Finished Bore Double Roller Chain Sprockets What separates this double 2BK190This 50BS15 sprocket featured a 1 1 4" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #50 roller chain and sprocket thus preventing premature wear