This item will be shipped within One Week Returns Subject to 15% restocking Fee GRC204-12 Cylindrical Carttridge Ball Bearing GRIP-IT 360 Degree Locking 3/4" Inch Inner Diameter GRC204-12 Cylindrical Carttridge Ball Bearing, Bearing is standard duty and high-grade cast iron, bearing is Wide inner ring, Bearing is black oxide plated inner and outer rings, Standard seal is R-Seal.