A-28920-P-AI Cup, Tapered BearingOne New Aftermarket Replacement Cup, Tapered Roller Bearing Timken 28920 Series This is a single tapered roller bearing cup (outer ring race) from the Timken 28900 Series, designed to pair with a matching cone assembly (sold separately) to form a complete tapered roller bearing. The cup seats into the housing bore and supports both radial and axial loads in high load, moderate speed applications including wheel hubs, axle assemblies, and transfer Fits