3B80SK Sheave three-groove 8.35" OD 120B18 Sprockets While the phosphate coated and

While the phosphate coated and then painted finish adds corrosion resistance to the 128V1800M sheave

First you identify the chain pitch to confirm that you are using this on a #160 roller chain

Limiting Speed (2RS): 6300 RPM

This 100B10 sprocket is a durable

3B80SK Sheave three-groove 8.35" OD 120B18 Sprockets While the phosphate coated andThis 3B80SK sheave features three grooves, is 8. 35" in diameter, and is designed to use a SK bushing. QD (quick detachable) style sheaves offer a wider selection of bore sizes versus a standard "fixed" bore style sheave. Also because they are a two component part if one component fails the entire part doesn't need to be replaced. All of our sheaves are manufactured out of an extremely durable cast iron, are dynamically balanced at the factory, and