40BS39 Sprocket With 7/8" Finished Bore 3V Three-Groove QD Bushed Sheaves Hub Diameter: 42mm

Hub Diameter: 42mm

5308 Bearing Dimensions

Our superior UCFB205-14 bearing with a 7/8" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

Our UCFCSX15-48 bearing is dimensionally made to industry standards

Dimension (J): 0

40BS39 Sprocket With 7/8" Finished Bore 3V Three-Groove QD Bushed Sheaves Hub Diameter: 42mmThis 40BS39 sprocket features a 7 8" 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 sprockets,