Deep groove ball bearings (GB/T 276-2003) are a type of rolling bearing that is widely used. They are characterized by low frictional resistance and high rotational speed. They can be used to support radial loads or combined loads acting simultaneously in both radial and axial directions. They can also be used to support axial loads, such as in small-power motors, automotive and tractor transmissions, machine tool gearboxes, and general machinery and tools.
