40BS21 High-Performance Sprocket 1-3/8" 40B29 Sprockets 120BS26 1 1/4" Finished Bore

120BS26 1 1/4" Finished Bore Sprocket Dimensions

Something else that is notable about this 100C13 sprocket is that it fully meets all ANSI Standards

This 2BK34 Pulley 1-1/8" bore is directly interchangeable with other manufacturers v-belt pulleys

Part Number: D200B15

40BS21 High-Performance Sprocket 1-3/8" 40B29 Sprockets 120BS26 1 1/4" Finished BoreThis 40BS21 sprocket featured a 1 3 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