A-39520-P-AI Cup, Tapered BearingOne New Aftermarket Replacement Cup, Tapered Roller Bearing 39520 This tapered roller bearing cup (outer ring) is a direct replacement for the Timken 39520 and all interchangeable equivalents. The cup seats in the housing bore and works with a matching tapered roller cone assembly to handle both radial and axial loads. It is widely used in wheel hubs, axle assemblies, and drivetrain applications across agricultural equipment, construction equipment,