6211-2Z/C3 Deep Groove Ball Bearing 55×100×21mm for Industrial Motors and Gearboxes Product Overview The 6211-2Z/C3 is a single-row deep groove ball bearing measuring 55 × 100 × 21 mm. It features metal shields on both sides to help protect against dust and solid contaminants. The C3 internal clearance provides greater radial clearance than standard CN clearance, making it suitable for applications with specific temperature, speed, or fitting requirements. *Need a quick quote