This item will be shipped within One Week Returns Subject to 15% restocking Fee GER210-31-ZMKFF Bearing Insert GRIP-IT 360 Degree Locking Set Screw Locking 1 15/16" Inch Inner Diameter GER210-31-ZMKFF Bearing Insert GRIP-IT 360 Degree Locking, bearing is standard load capacity, bearing is Wide inner ring with Cylindrical outer ring and snap ring, bearing is manufactured with light grease fill to ensure free running and low drag, bearing is black oxide plated inner and outer rings, bearing is nylon patched class 3A set screw, Standard seal is R-seal.