CA620 Chain Tensioner 2AK21 Pulley 2BK80 Pulley 1-7/16" Dimensions

2BK80 Pulley 1-7/16" Dimensions

While the phosphate coated and then painted finish adds corrosion resistance to the 4TB50 pulley

This 1B5V50 Sheave uses a B bushing

Common Interchanges: 80BS21H

50BS45 1 3/16" Finished Bore Sprocket Dimensions

CA620 Chain Tensioner 2AK21 Pulley 2BK80 Pulley 1-7/16" DimensionsCA620 Chain Tensioner This CA620 chain tensioner provides consistent tension on the chain with minimal drive wear. Additionally, this CA620 chain tensioner guides, quiets, controls, and Increases the overall life of the chain and sprocket. Since this chain tensioner "floats" on the chain it absorbs shock and does not add vibration to the drive. Overall this chain tensioner is high quality, manufactured right here in the USA, low maintenance, made with