40BS11 Sprocket With 7/8" Finished Bore 120B11 Sprockets the 6304-ZZ bearing features raceways

the 6304-ZZ bearing features raceways that are precision honed to a superb finish

Our double-groove variable pitch pulleys are manufactured with extremely tight thread tolerances and use a high-quality cast iron material

Sheave Size: 25V520SDS

Common Interchanges: 35B72H

What separates this double 2BK110 pulley from the others is that it is made using a high grade-35 cast iron

40BS11 Sprocket With 7/8" Finished Bore 120B11 Sprockets the 6304-ZZ bearing features racewaysThis 40BS11 sprocket featured a 7 8" 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 #40 roller chain and sprocket thus preventing premature wear or