This item will be shipped within One Week Returns Subject to 15% restocking Fee SSUCFT208-40mm Stainless Steel Flange Unit 2 Bolt Set Screw Locking 40mm Inner Diameter Ball Bearing SSUCFT208-40mm Stainless Steel Flange Unit 2 Bolt Ball Bearing, SSUCFT208-40mm is Set Screw Locking, bearing has solid base housing construction, bearing has wide inner ring, bearing is relubricatable unit with anti-rotation pin, bearing has supplied with water and wash resistant mobilgrease.