H50H20 Sprocket (Taper Bushed) 5.25" Stock Bore This 4B80SK sheave features four

This 4B80SK sheave features four grooves

This 100BS10 sprocket features a 1-7/16" finished bore with a key-way and two set screws

While the phosphate coated and then painted finish adds corrosion resistance to the 2BK70 pulley

We also provide 24B-3 roller chain sprockets and tools for making replacement or repairs easier

Dimension (E): 184

H50H20 Sprocket (Taper Bushed) 5.25" Stock Bore This 4B80SK sheave features fourThis H50H20 sprocket is a durable, high quality, and precision sprocket with hardened teeth that is manufactured to accept a H bushing. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #50 roller chain and sprocket thus preventing premature wear or breakage. This sprocket