120Q15 Sprocket (Taper Bushed) C-Section Sheaves 120R26 sprockets are bored to

120R26 sprockets are bored to accept a R1 type taper bushing

and precision 45 tooth sprocket that is manufactured to accept a S1 bushing

120E28 sprockets are manufactured to accept a E type QD bushing which

Dimension (F): 10-1/4"

Sprocket Size: 120E20

120Q15 Sprocket (Taper Bushed) C-Section Sheaves 120R26 sprockets are bored toThis 120Q15 sprocket is a durable, high quality, and precision sprocket with 15 hardened teeth that is manufactured to accept a Q1 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