U1 Split Taper Bushing X 2-7/8" Bore Metric Roller Chain Sprockets This 40BS21 sprocket featured a

This 40BS21 sprocket featured a 3/4" finished bore with a key-way and two set screws

2042B13 Sprocket

Shaft Diameter: 3/4"

While the phosphate coated and then painted finish adds corrosion resistance to the 23V1900SK sheave

U1 Split Taper Bushing X 2-7/8" Bore Metric Roller Chain Sprockets This 40BS21 sprocket featured aThis U1 Bushing with 2 7 8" bore is a high quality precision product that is built for durability and strength. U1 bushings are used in an extensively wide range of applications, including; sprockets, shaves, pulleys, gears, and much more, we also offer all of these products. What sets this bushing apart is the high quality steel construction along with precise manufacturing and high quality control; this ensures that you always get a premium quality