This item will be shipped within One Week Returns Subject to 15% restocking Fee SSUCP203-17mm Stainless Steel Pillow Block Ball Bearing Set Screw Locking 17mm Inner Diameter SSUCP203-17mm Stainless Steel Pillow Block Unit, SSUCP203-17mm 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.