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        A Double Row Deep Groove Ball Bearing is a type of rolling-element bearing that features two rows of balls arranged side by side within the inner and outer raceways of the bearing. This design allows the bearing to accommodate higher radial loads and axial loads in both directions compared to a single-row deep groove ball bearing. Key features of a Double Row Deep Groove Ball Bearing include:
1. Inner and Outer Rings: Like a single-row deep groove ball bearing, it consists of inner and outer rings with deep, uninterrupted grooves.
2. Balls: Two rows of balls are positioned between the inner and outer rings. The balls are typically separated by a cage to maintain proper spacing and reduce friction.
3. Cage or Separator: A component that keeps the balls evenly spaced and prevents them from coming into contact with each other.
4. Balls:Spherical balls that roll between the inner and outer rings, reducing friction and facilitating smooth rotation.
5. Lubrication:Adequate lubrication is crucial for the proper functioning and longevity of tapered roller bearings. Lubrication helps reduce friction and wear between the rolling elements and raceways.

        Double Row Deep Groove Ball Bearings are commonly used in applications where higher radial and axial loads need to be supported, such as in gearboxes, electric motors, and agricultural machinery. The additional row of balls enhances the bearing's load-carrying capacity and provides increased rigidity.