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Swivel bearing layout classification and bearing characteristics

Source: China Bearing Network Time: 2013-07-08
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Introduction to Slewing Bearings Slewing bearings are large special layout bearings that can accept large axial loads, radial loads and overturning moments. Generally, they have equipment holes; smooth oil holes and sealing equipment; Different types of mainframes have different needs under different working conditions. The slewing bearing itself has the characteristics of compact layout, convenient guiding rotation, simple equipment and simple protection.
Layout classification slewing bearing layout commonly used are single row, double row four point touch ball slewing bearing, double row angle touch thrust ball slewing bearing, interspersed cylindrical roller and interspersed tapered roller slewing bearing, three row cylindrical roller slewing bearing Different combinations of ball and column slewing bearings. The above types of bearings are divided into non-toothed, externally-toothed, and internally-toothed versions according to their ability to carry teeth and gears.
Carrying features 1. According to different layout characteristics, the slewing bearing can not be satisfied with the needs of the main machine under different load conditions. In the meantime, the four-point touch ball slewing bearing has a high dynamic load.
2. The carrying capacity of the double-row reducer turntable is much better than that of the single volleyball turntable.
3. The interspersed cylindrical roller turntable has a high static load.
4. The ball-and-pin combined slewing bearing has a large ability to accept axial and radial loads and overturning moments under conditions that ensure a certain reversal accuracy.
5. Three rows of cylindrical roller combination turntables: because the progress of bearing capacity is directed to the height direction of the bearing; the various loads are accepted by different raceways and roller groups; therefore, under equal force conditions; the diameter of the bearing can be Greatly shrinking. 蚨哂惺 骰舸盏 骰舸盏 骰舸盏 且 且 且 且 且 且 且 且 且 且 且 且 且 且
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