Chicago Die Casting #250a5 1/2x2-1/2 Pulley
The Chicago die-cast, single V-grooved pulley is for A belts size 4L or 1/2 by 11/32 inches. Keyway has slotted headless set screw. Packed in Sta-Pak cartons. Dimensions: 2-3/4-inch diameter with 1/2-inch bore.