50BTB31 Sprocket (Taper Bushed) filter_H40BS45 and is designed to use

and is designed to use a R1 bushing

This 2C120SF Sheave uses a SF QD bushing

Our superior UCFCS206 bearing with a 30mm bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

Our superior UCFB209 bearing with a 45mm bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

50BTB31 Sprocket (Taper Bushed) filter_H40BS45 and is designed to useThis 50BTB31 sprocket is a durable, high quality, and precision sprocket that is manufactured to accept a 2012 bushing. Something 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 or breakage and this means that it will directly interchange with most other manufactures sprockets. This sprocket is also black oxide coated