80BS28 Sprocket With 1-7/16" Finished Bore 2AK61 Pulley This 2BK90 Pulley 1-1/8" bore

This 2BK90 Pulley 1-1/8" bore is directly interchangeable with other manufacturers v-belt pulleys

R18-ZZ Ball Bearing Dimensions

UCFBS210-32 Bearing Dimensions

Sprocket Size: 40BTB42

Dimension (d): 1-1/4"

80BS28 Sprocket With 1-7/16" Finished Bore 2AK61 Pulley This 2BK90 Pulley 1-1/8" boreThis 80BS28 sprocket features a 1 7 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 28 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 #80 roller chain and sprocket thus preventing premature