This item will be shipped within One Week Returns Subject to 15% restocking Fee SSUCPAS203-17mm Stainless Steel Tapped Base Pillow Block 17mm Inner Diameter Set Screw Locking Ball Bearing SSUCPAS203-17mm Stainless Steel Tapped Base Pillow Block Ball Bearing, SSUCPAS203-17mm 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.