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Slewing Ring

Slewing bearings are generally composed of an inner ring and an outer ring, and also have a split structure of the inner ring or the outer ring. The inner ring or the outer ring can be machined with teeth at the same time and have mounting holes. 


This makes the connection between adjacent components easier and faster. Through the joint action of the bearing raceway and the rolling element protection frame or isolation block assembly, slewing bearings can bear unidirectional load, bidirectional load, overturning moment, and combined load in any direction. 


According to the form of the rolling element arrangement, slewing bearings can be generally divided into four-point contact ball slewing bearing, crossed roller slewing bearing, three-row roller slewing bearing, and so on. As a slewing ring bearing manufacturer, we will devote ourselves to satisfying customers' demands.

Four-point Contact Ball Slewing Ring

Four-point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support two-directional axial loading.

Cross Roller Slewing Ring

Cross-roller type slewing bearings, their rollers are arranged at 90° to each other at intervals between the inner ring and the outer ring. They can simultaneously bear loads from all directions (such as axial, radial, overturning moment, etc.). Because the rollers are in line contact with the track surface, the elastic deformation of the bearing under heavy load is correspondingly small and the rigidity is high. At the same time, it has mounting holes and sealing accessories or is equipped with teeth on the inner ring or outer ring to simplify the installation structure.

Three-row Roller Slewing Ring

The three-row cylindrical roller combined slewing bearing is mainly composed of an inner ring, an outer ring, three rows of rollers (two sets of axial and one set of radial rollers), a cage (spacer block), and has the characteristics of high load carrying capacity and good rigidity. At the same time, it has mounting holes and sealing accessories or is equipped with teeth on the inner ring or outer ring to simplify the installation structure.

Application of Slewing Ring Bearing

Off-highway equipment
Robotics
Harbor and deck cranes
Large, Precision, and Index Turntables
Bottling Equipment
Automatic assembly line



Custom Bearings From THB Bearings

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