This item will be shipped within One Week Returns Subject to 15% restocking Fee GRFT211-34 Flange Standard 2 Bolt Unit Ball Bearing GRIP-IT 360 Degree Locking 2 1/8" inch Inner Diameter GRFT211-34 Flange Standard 2 Bolt Unit Ball Bearing, Bearing is Standard duty and high grade cast iron, bearing is solid base housing design for added strength, bearing is wide inner ring, bearing is relubricatable unit with anti-rotation pin, bearing is black oxide plated inner and outer rings, Standard seal is R-Seal.