60B57 Sprocket With Stock Bore filter_H50BS10 this UCPX12-39 bearing is directly

this UCPX12-39 bearing is directly interchangeable with other brands

Bearing Unit Part #: CSA40MFM201-8

This 3TB40 Pulley uses a P1-Series Bushing

Dimension (m): 3-5/16"

Sprocket Size: 100R48

60B57 Sprocket With Stock Bore filter_H50BS10 this UCPX12-39 bearing is directlyThis 60B57 sprocket is a durable, premium quality, and precision 57 tooth sprocket that is manufactured out of high quality steel. This sprocket is manufactured for optimum performance, durability, and to strict quality control standards. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #60 roller chain and sprocket, preventing premature wear or breakage. It is also