Superior Electric SE 6202-2RS Replacement Ball Bearing - 15x35x11(mm) replaces Hitachi 620-2VV, Dewalt 330003-75, Porter Cable 878064SV, Bosch 2610911986, Makita: 211206-7 Side 1: Seal | Side 2: Seal | Inner Diameter: 15 mm Outer Diameter: 35 mm | Width: 11 mm Axial Load: 0.9 KN | RPM:  4000 Tolerance: ABEC-3 Class 3 | Material: E51100, 100Cr6 Bearing Life: 3 Years, varies on application