Stemco Voyager Wheel Seal, Rear Drive Axle 38,000 Lb. / 46,000 Lb., 6.310" Bore Diameter X 4.767" Shaft Diameter X 1.127" Wide, Hand/Tool Install, For Spindle Using SET403 Inner & SET401 Outer Bearings Or SET445 Inner & SET446 Outer Pre-Set Bearings