This item will be shipped within One Week Returns Subject to 15% restocking Fee ZUCP201-8-PBT Thermoplastic Pillow Block Ball Bearing Zinc Chromate Plated 1/2" inch Inner Diameter ZUCP201-8-PBT Thermoplastic Pillow Block Ball Bearing, bearing is Zinc Chromate Plated, 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.