50BTB54 Sprocket (Taper Bushed) filter_40BS20-FB UCFC204-12 flange cartridge bearings are

UCFC204-12 flange cartridge bearings are designed for circumstances where the bearing is mounted to a surface that is perpendicular to the shaft axis

Hub Diameter: 4-1/4"

50BS18 1 1/8" Finished Bore Sprocket Dimensions

This 50BS16 sprocket featured a 3/4" finished bore with a key-way and two set screws

For more information on a single groove 13V475SH sheave

50BTB54 Sprocket (Taper Bushed) filter_40BS20-FB UCFC204-12 flange cartridge bearings areThis 50BTB54 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