Description Additional Info Product Reviews Tapered Roller Bearing Cone and Cup AssemblyApplication: HEAVY DUTY TRUCK BEARING SET - Manually Adjusted Wheel Ends: Rear Axle - Inner Bearing (Mack) Cross References:FEDERAL-MOGUL: HD214, SKF: SET421, STEMCO: ASET449A410 UPC: 053893840932 Mfr Part Number: SET421