207-9947, SKF, SKF 3311 A-2Z/C3MT33 Double Row Angular Contact Ball Bearing- Both Sides Shielded 55mm I.D, 120mm O.D, Brand SKF, Inside Diameter 55mm, Outside Diameter 120mm SKF 3311 A-2Z/C3MT33 Double Row Angular Contact Ball Bearing- Both Sides Shielded 55mm I.D, 120mm O.D