A-25821TIM-AI BEARING CUPOne New Aftermarket Replacement Tapered Roller Bearing Cup Timken 25821 Series This tapered roller bearing cup (outer race) is a direct aftermarket replacement for the Timken 25821. It serves as the outer raceway for a single row tapered roller bearing assembly, paired with the 25877 cone (inner race and roller assembly) to handle both radial and axial loads. Widely used in agricultural tractors, combines, tillage equipment wheel hubs, and light