One is above the keyway, and the other is at a 90° position. Inside are two screws used to fix the shaft. AK20 5/8 Bore Cast Iron Pulley -. AK20-5/8 OD 2 Cast Iron ID 1/2 Shaft Pulley Sheave Single Groove V Style A Belt 4L New. The V-Belts you that can... Sheave is precision-processed through CNC to achieve high accuracy in all dimensions. The pulley is formed through casting, using material that meets the American standard ASTM G3000, resulting in a product that is sturdy and durable. CPT Cast Iron V-Belt Sheave Pulley AK20 - 3/4 Inch Bore APPROVED VENDOR V-Belt Pulley: AK20, 1 Groove, 2.05 in OD, Fixed Bore, 3/4 in Bore, Cast Iron Item 5RHY6 Mfr. Model AK20X3/4 Bore Diameter 3/4 in 1/2 in 5/8 in 3/4 in Brand APPROVED VENDOR Its surface is coated with a layer of gray electrophoretic paint, providing excellent rust resistance. There is a hub, with two screw holes on it. Applicable shaft diameter:3/4 inch,Standard Keyseats(3/16X3/32) AK20-3/4 Sheave AK20-1/2 In. Single Groove Fixed Bore A Section 3/4 Inch Bore Pulley Cast Iron Standard V-Belt Pulley: For V-Belt Section A,AX,3L,4L
