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English 
Deep groove ball bearings mainly bear radial load, and can also bear radial load and axial load at the same time. When it is only subjected to radial load, the contact angle is zero. When the deep groove ball bearing has a large radial clearance, it has the performance of an angular contact bearing and can bear a large axial load. The friction coefficient of the deep groove ball bearing is very small and the limit speed is also high.
A deep groove ball bearing is a representative rolling bearing that mainly carries radial load and can also carry a certain axial load. It is suitable for high-speed and even extremely high-speed operation, and it is very durable and does not require frequent maintenance. Widely used in precision instruments, low noise engines, automobiles, motorcycles and general machinery and other industries, is a widely used type of bearings in machinery industry.
The technical conditions of deep groove ball bearings are based on the manufacturing accuracy of rolling bearings, mainly including dimensional accuracy and rotational accuracy of various tolerance levels, as well as other technical requirements, such as hardness, clearance, rotational flexibility, vibration and noise, residual magnetism, appearance quality, logo and packaging, etc.
deep groove ball bearings (single row radial ball bearings) are the most widely used rolling bearings. It is characterized by low friction resistance and high speed. It can be used for parts bearing radial loads or combined radial and axial loads at the same time, and can also be used for parts bearing axial loads, such as low power motors, automotive and tractor transmissions, machine tool transmissions, general machinery, tools, etc.
