6011-2RS1/C3 Deep Groove Ball Bearing 55×90×18mm Rubber Sealed Bearing for Industrial Motors and Pumps Product Overview The 6011-2RS1/C3 is a single-row deep groove ball bearing measuring 55 × 90 × 18 mm. It features rubber seals on both sides to help prevent dust and moisture from entering and retain internal grease. The C3 clearance provides greater radial internal clearance than standard CN clearance, making it suitable for applications with specific thermal and fitting