123-4824, SKF, SKF 6203-2Z/C3GJN Single Row Deep Groove Ball Bearing- Both Sides Shielded 17mm I.D, 40mm O.D, Brand SKF, Inside Diameter 17mm, Outside Diameter 40mm SKF 6203-2Z/C3GJN Single Row Deep Groove Ball Bearing- Both Sides Shielded 17mm I.D, 40mm O.D