50BS23 Sprocket With 1-1/8" Finished Bore 40B9 Sprockets 140A31 sprockets with a stock

140A31 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes

50B43 Sprocket Dimensions

CSB205 bearing is a light-duty ball bearing insert made to C3 precision standards and utilizes set-screws to secure to a 25mm shaft

Bore: 15/16"

and precision sprocket with 18 hardened teeth that is manufactured to accept a Q1 bushing

50BS23 Sprocket With 1-1/8" Finished Bore 40B9 Sprockets 140A31 sprockets with a stockThis 50BS23 sprocket featured a 1 1 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 #50 roller chain and sprocket thus preventing premature wear