This item will be shipped within One Week Returns Subject to 15% restocking Fee SUCFB204-20m-PBT Thermoplastic Flange Bracket 3 Bolt Stainless Steel Insert 20mm inch Inner Diameter Ball Bearing SUCFB204-20m-PBT Thermoplastic Tapped Base Pillow Block 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.