This item will be shipped within One Week Returns Subject to 15% restocking Fee ZUCPAS203-17m-PBT Thermoplastic Tapped Base Pillow Block Zinc Chromate Plated Insert 17mm Inner Diameter ZUCPAS203-17m-PBT Thermoplastic Tapped Base Pillow Block Ball Bearing, bearing is Zinc Chromate Plated 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.