National 370450A wheel seal, an oil bath seal sized for a 2.875 shaft diameter and a 3.875 bore diameter, with a 0.414 width. A genuine National part from Pro Gear and Transmission.FeaturesNational 370450A wheel sealOil bath designShaft diameter 2.875Bore diameter 3.875Width 0.414Genuine National partTech SpecsType: Wheel seal, oil bathShaft diameter: 2.875Bore diameter: 3.875Width: 0.414