Deep groove ball bearings (GB/T 276-2003), formerly known as single row radial ball bearings, are one of the most widely used rolling bearings. They are characterized by low frictional resistance and high speed, and can be used in machines subjected to radial loads or combined radial and axial loads, as well as in machines subjected to axial loads, such as small power motors, automobile and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.Translated with www.DeepL.com/Translator (free version)