2AK22 7/8" Bore Solid Sheave Pulley with 2.2" OD , Hex set screws 2 grooves for V-belts size 4L, 3L 2AK (OD 2.2"- ID 7/8") Outside diameter: 2.2" inch Bore: 7/8" inch Belt section size: 4L, 3L 2 Grooves One pulley Hex set screws Cast Iron Keyway : 3/16 X 3/32 2AK2278