AK17-5/8" OD 2" Cast Iron ID 5/8" Shaft Pulley Sheave Single Groove V Style 3L , A Belt 4L New AK1758 AK17 5/8" Bore Cast Iron Pulley for V-belt size 3L, 4L, A B OD1.75" ID 5/8" Outside diameter: 1.75" inch Length through bore: 1.1563" inch Bore: 5/8" inch Belt section size: 3L, 4L Material : Cast Iron Quantity : One pulley 2 Hex set screw 90 Keyway : 3/16x3/32