2AK-20 1/2" Bore Solid Sheave Pulley - 2" OD , Hex set screws 2-Groove for V-belts 4L, 3L 2AK (OD 2"- ID 1/2") Inner Diameter - 39.688mm it features hybrid ceramic construction

it features hybrid ceramic construction - stainless steel races and silicon nitride (Si₃N₄) ceramic balls - for increased speed

SMT20GUUE NB Two Side Cut Pilot End W/Seals

making it ideal for custom routers

202KRR3 Agricultural Bearing

2AK-20 1/2" Bore Solid Sheave Pulley - 2" OD , Hex set screws 2-Groove for V-belts 4L, 3L 2AK (OD 2"- ID 1/2") Inner Diameter - 39.688mm it features hybrid ceramic construction2AK 20 1 2" Bore Solid Sheave Pulley with 2" OD , Hex set screws 2 Grooves for V belts size 4L, 3L 2AK (OD 2" ID 1 2") Outside diameter: 2" inch Bore: 1 2" inch Belt section size: 4L, 3L 2 Grooves One pulley Hex set screws Cast Iron Keyway : none