120BS21 Sprocket With 2" Finished Bore 84-Tooth Sprocket Meeting strict ANSI Standards prevents

Meeting strict ANSI Standards prevents premature wear or breakage as well as making it directly interchangeable with other brands

the 10B A2 attachment has a bent tab on one side with two holes for mounting

While the phosphate coated and then painted finish adds corrosion resistance to the 10C105J sheave

Hub Diameter: 46mm

100A16 Sprocket Dimensions

120BS21 Sprocket With 2" Finished Bore 84-Tooth Sprocket Meeting strict ANSI Standards preventsThis 120BS21 sprocket features a 2" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 21 teeth. Something that is notable about this 120BS21 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment