DELTA 4 Step Pulley for Delta drill press. 4 3/4" Dia. "V" up to 7 1/2" "V" in steps of 1/2". Casting is marked DP 283; The bushing part of the bearing is 1 1/4" Dia. with tapped hole. Sheave is in very good cond. You may need a ball bearing down the road but it will get you by for a while. The bearing is made by NICE, USA #6368. I believe it to be the slow speed pulley at the quill.