120R30 Sprocket (Taper Bushed) Power Transmission Keyway Size: 5/8" X 5/16"

Keyway Size: 5/8" X 5/16"

and precision 60 tooth sprocket that is manufactured to accept a E bushing

Sprocket Size: 120BS15H

This 100BS23 sprocket features a 1-7/16" finished bore with a key-way and two set screws

and precision 36 tooth sprocket that is manufactured to accept a R2 bushing

120R30 Sprocket (Taper Bushed) Power Transmission Keyway Size: 5/8" X 5/16"This 120R30 sprocket is a durable, high quality, and precision sprocket with 30 hardened teeth that is manufactured to accept a R1 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 #120 roller chain and sprocket which prevents premature wear or breakage. This