How is the radial thrust bearing defined?

The radial bearing is the bearing that mainly bears the radial load, such as the deep groove ball bearing; the thrust bearing is the bearing that mainly bears the axial load, such as the thrust ball bearing; the radial thrust bearing is the bearing that bears both the radial and axial loads. Such as angular contact ball bearings. The radial thrust bearing is mainly used for the installation and fixing of the radial and axial load transmission shafts.

For a single radial thrust bearing, the gap width between the outer ring and the inner ring on each end face of the bearing is different. Therefore, the wide side of the bearing is named the bearing front side, and the narrow side of the bearing is named the bearing back side. . Front-to-front mounting is called face-to-face mounting and back-to-back mounting is called back-to-back mounting. The radial thrust bearings are mounted in pairs on the drive shaft. They are available in two mounting methods: face-to-face mounting such as: 7210C/DF, back-to-back mounting such as: 7210C/DB. The corresponding old code is enclosed in parentheses above.

In the operation of the bevel gear transmission shaft and the cutter cutter grinding wheel shaft, there are axial forces transmitted from the bevel gear and the grinding wheel to the transmission shaft, in order to effectively eliminate the axial force from the two ends of the rotating body. The thrust bearings must be mounted on both ends of the rotor in face to face or back to back. Since there is a certain bearing clearance between the inner ring and the outer ring of the bearing, in order to improve the rotation precision and rigidity of the transmission shaft, the bearing should be preloaded when installing the thrust bearing. That is, during the installation process, the bearing is given a certain axial force, so that the inner and outer rings of the bearing are relatively displaced, thereby eliminating the play and generating elastic pre-deformation at the contact between the ferrule and the rolling element, thereby improving the shaft. Rotation accuracy and stiffness. The pre-tightening force can be obtained by means of a metal gasket or a narrow ferrule.

The use of each type of equipment or products, their characteristics and functions are often the focus of users. With the rapid development of China's economy and technology, many traditional products or equipment can no longer meet the production needs, and accelerate the competitiveness of traditional products. There have been more and more problems, but for the future of these products and equipment, and for the future of our economy and national defense, we must face these challenges bravely.
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