80BS21 Sprocket With 1-15/16" Finished Bore 60B17 Sprockets 2040B12 double pitch sprockets are

2040B12 double pitch sprockets are manufactured specifically for C2040 double pitch roller chain

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Pitch Diameter: 48

80BS21 Sprocket With 1-15/16" Finished Bore 60B17 Sprockets 2040B12 double pitch sprockets areThis 80BS21 sprocket features a 1 15 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 21 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