40BS34 Sprocket With 7/8" Finished Bore 6" Stock Bore Sprocket Weight: 57

Sprocket Weight: 57

Bushing Weight: 22

Dimension (D): 1-3/8"

Our superior UCST206 bearing with a 30mm bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid cast-iron housing

Limiting Speed (OIL): 8400 RPM

40BS34 Sprocket With 7/8" Finished Bore 6" Stock Bore Sprocket Weight: 57This 40BS34 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,