126-2342, SKF, SKF 6004-2ZNR Single Row Deep Groove Ball Bearing- Both Sides Shielded 20mm I.D, 42mm O.D, Brand SKF, Inside Diameter 20mm, Outside Diameter 42mm SKF 6004-2ZNR Single Row Deep Groove Ball Bearing- Both Sides Shielded 20mm I.D, 42mm O.D