This item will be shipped within One Week Returns Subject to 15% restocking Fee SUCFT204-20m-PBT Thermoplastic Flange 2 Bolt Bearing Stainless Steel Insert 20mm Inner Diameter Ball Bearing SUCFT204-20m-PBT Thermoplastic Flange 2 Bolt Ball Bearing, bearing is Stainless Steel Insert, bearing has solid base housing construction, bearing is wide inner ring with set screws, bearing is relubricatable unit with anti-rotation pin, bearing has supplied with water and wash resistant mobilgrease.