Stemco Voyager Wheel Seal, Steer Axle, 4.840" Bore Diameter X 3.500" Shaft Diameter X .932" Wide, Hand/Tool Install, For Spindle Using 39520/39581 Inner Bearing Cup/Cone And 3525/3585 Outer Bearing Cup/Cone OR HM212011/HM212044-553X/557A Inner Bearing Cup/Cone And 3720/3782 Outer Bearing Cup/Cone OR HM212011/HM212049-HM212011/HM212049X(X1) Inner Bearing Cup/Cone And 3720/3782 Outer Bearing Cup/Cone OR HM212011/HM212047 Inner Bearing Cup/Cone And 3720/3782 Outer Bearing Cup/Cone