This item will be shipped within One Week Returns Subject to 15% restocking Fee GRHA210-31 Hanger Ball Bearing GRIP-IT 360 degree Locking 1 15/16" inch Inner Diameter GRHA210-31 Hanger Ball Bearing, Bearing is Standard Duty and high grade cast iron, bearing is Wide inner ring, bearing is relubricatable with anti-rotation, Bearing has block oxide plated inner and outer ringss, Standard seal is R-Seal.