40BS51 High-Performance Sprocket 1-1/4" 1615 Taper Lock Bushings 140A12 sprockets with a stock

140A12 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes

HC201 bearing is a normal-duty ball bearing insert made to C3 precision standards and utilizes an eccentric locking collar for securing a 12mm shaft

6300-2RS Ball Bearing Dimensions

Maximum Bore Size: 1-3/8"

UE211-32 Bearing Dimensions

40BS51 High-Performance Sprocket 1-1/4" 1615 Taper Lock Bushings 140A12 sprockets with a stockThis 40BS51 sprocket features a 1 1 4" 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