80BS20 Sprocket With 1-1/2" Finished Bore 2AK32 Pulley What separates this four groove

What separates this four groove 4TB86 pulley from the others is that it is made using a high grade-35 cast iron

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HC204-12 Bearing Dimensions

has 20 teeth

80BS20 Sprocket With 1-1/2" Finished Bore 2AK32 Pulley What separates this four grooveThis 80BS20 sprocket features a 1 1 2" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 20 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