137-1688, FAG, FAG 6211-C-2Z Single Row Deep Groove Ball Bearing- Both Sides Shielded 55mm I.D, 100mm O.D, Brand FAG, Inside Diameter 55mm, Outside Diameter 100mm FAG 6211-C-2Z Single Row Deep Groove Ball Bearing- Both Sides Shielded 55mm I.D, 100mm O.D