40A50 Sprocket Stock Bore ANSI 40A50 #100 Weld-On Hub Sprockets 25B40 sprockets with a stock

25B40 sprockets with a stock bore comes with the standard 1/2" ID hole with no keyway or setscrews and can be easily machine bored to custom sizes

What sets this 6004-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to

This 2B5V66 Sheave uses a B bushing

R18-2RS Ball Bearing Dimensions

Dimension (E): 8

40A50 Sprocket Stock Bore ANSI 40A50 #100 Weld-On Hub Sprockets 25B40 sprockets with a stockThis 40A50 sprocket is a durable, high quality, and precision A Plate sprocket that is manufactured out of high quality steel. Something else that is notable about this sprocket is that it 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 evenly coated with black oxide, which adds resistance to to the environment and will prevent