Deep groove ball bearings are the most widely used rolling bearings, known for their simple design, robust operation, and easy maintenance . They feature solid inner and outer rings with deep raceway grooves, making them suitable for high and very high speeds due to their low frictional torque . They can support radial loads and axial loads in both directions, with basic dynamic and static load ratings available for selection . Available in single-row and double-row designs, as well as open, shielded, or sealed variants for contamination protection and maintenance-free operation.