40BS47 High-Performance Sprocket 1-1/2" 25 Chain Sprockets 140A28 sprockets with a stock

140A28 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes

This 40BS35 sprocket features a 7/8" finished bore including a key-way and two setscrews

While the phosphate coated and then painted finish adds corrosion resistance to the 23V650SDS sheave

R24 Ball Bearing Dimensions

40BS47 High-Performance Sprocket 1-1/2" 25 Chain Sprockets 140A28 sprockets with a stockThis 40BS47 sprocket features a 1 1 2" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #40 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore