50BTB70 Sprocket (Taper Bushed) filter_H35B80 This 1TB40 Pulley uses a

This 1TB40 Pulley uses a P1-Series Bushing

This 2TB70 Pulley uses a Q1-series bushing

Something that sets this 2060B14 sprocket apart from others is that it is Black Oxide Finished

What sets this 5302-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to

50BTB70 Sprocket (Taper Bushed) filter_H35B80 This 1TB40 Pulley uses aThis 50BTB70 sprocket is a durable, high quality, and precision sprocket that is manufactured to accept a 2517 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