Deep groove ball bearing structure introduction

March 17, 2022

Deep groove ball bearings generally consist of a pair of rings, a set of cages, and a set of steel balls. Its simple structure and convenient use make it the most common and most widely used type of bearing.

This type of bearing is mainly used to withstand radial loads, but it can also withstand a certain amount of axial load in either direction. When the radial clearance of the bearing is increased within a certain range, the bearing has the characteristics of an angular contact bearing and can also withstand a large axial load.

After the deep groove ball bearing is installed on the shaft, the axial displacement of the shaft or housing can be limited to the radial clearance of the bearing. At the same time, when the housing hole and the shaft (or outer ring to the inner ring) are relatively inclined, (not more than 8 ~ -16 ~ determined according to the clearance) can still work normally, however, if both the inclination exists, it is bound to reduce The service life of the bearing.

Deep groove ball bearings have the lowest friction loss and higher speed limit than other types of bearings of the same size. In the case of high rotational speed and not suitable for thrust ball bearings, such bearings can be used to withstand pure axial load. If the manufacturing precision is improved, and solid cages such as bakelite, bronze, and hard aluminum are used, the rotational speed can be increased.

Deep groove ball bearings are the most common type of rolling bearings. Basic deep groove ball bearings consist of an outer ring, an inner ring, a set of steel balls and a set of cages. Deep groove ball bearings are available in single and double row types. The single row deep groove ball bearing is code number 6, and the double row deep groove ball bearing is coded 4. Its simple structure and convenient use make it the most common and most widely used type of bearing.

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