A-28521-I-AI Cup, Tapered BearingOne New Aftermarket Replacement Tapered Roller Bearing Cup 28521 Series This tapered roller bearing cup (outer ring race) serves as the outer raceway for a 28521 series tapered roller bearing assembly. It pairs with a matching cone (inner ring and roller assembly) to handle both radial and axial loads in wheel hubs, transmissions, differentials, axles, gearboxes, and related assemblies across agricultural, construction, and industrial equipment.
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