Taper Cup by Timken®. Cup OD: 3.0625″. Cup Width: 0.6562″. Exceeds Industry Standards with Enhanced Surfaces, Longer Life and Reliability.. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design, enhanced surface finishes, and are manufactured using quality materials to ensure longer bearing life and excellent antifriction properties.