50P30H Sprocket (Taper Bushed) 50B54 Sprockets and is designed to use

and is designed to use a Q1 bushing

Sheave Size: 2C120SF

40B25 sprockets with a stock bore comes with the standard 5/8" ID hole with no keyway or set screws and can be easily machine bored to custom sizes

This 2AK61 Pulley 3/4" bore is directly interchangeable with other manufacturers

50P30H Sprocket (Taper Bushed) 50B54 Sprockets and is designed to useThis 50P30H sprocket is a durable, high quality, and precision sprocket with hardened teeth that is manufactured to accept a P1 bushing. 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 #50 roller chain and sprocket which prevents premature wear or breakage. This sprocket