50BS50 High-Performance Sprocket 1-15/16", USA Roller Chain 41B72 Sprockets the 5210 bearing features raceways

the 5210 bearing features raceways that are precision honed to a superb finish

Dimension (Bi): 4

Sprocket Weight: 107

Our superior HCFS206-20 bearing with a 1-1/4" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

Besides 1VP40 pulleys with a 5/8" bore we also stock a full line of high-quality performance 3L

50BS50 High-Performance Sprocket 1-15/16", USA Roller Chain 41B72 Sprockets the 5210 bearing features racewaysThis 50BS50 sprocket features a 1 15 16" 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 #50 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