Dalian Metallurgical Bearing Co.,Ltd
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Slewing Ring Bearing

— Slewing Ring Bearing, DYZV, Slewing Ring
Product Category: Slewing Ring Bearings
Sales Method: Export, Manufacture, Wholesale, OEM/ODM, Service, Retail
Min. Order Unit Price
Contact Info

Mr.Jiang

Address: China (mainland) Liaoning Dalian,WaWo High-tech Industrial Park,Dalian Pulandian, Liaoning Province

Product Detail

Product Attribute:

  • China (mainland) More >
  • DYZV
  • 12/14/2011
  • 12/15/2011

Product Content Description:

Slewing bearings are ball or cylindrical roller bearings that can accommodate axial, radial and moment loads acting either singly or in combination and in any direction. Generally, the slewing bearings themselves are equipped with mounting holes, lubricate holes and sealing arrangement, they can meet different requirements of the main units under various of operating conditions; On the other hand, the slewing bearings are characterized with compact structure, convenient guide and rotation, easy mounting and maintenance and others, so they are widely applied on hoist-transportating machines, construction machines, port machinery, medical instruments and army industry, ect... Slewing bearings are divided into four different structures: four point contact ball slewing bearings, double-row angular contact ball slewing bearings, crossed cylindrical roller slewing bearings and three-row cylindrical roller combined slewing bearings. They are also divided into different structures according whether if gears are mounted: without gears, with an internal gear and with an external gear. Slewing bearings can meet different requirements of the main units under several of load conditions

Structures

Four point contact ball slewing bearings

A single-row four point contact slewing bearing is generally formed by two housing washers. It has compact structure, light weight and four point contacts with the arc raceway. It can accommodate axial load, radial load and capsizing moment simultaneously. They can be applied on rotary conveyors, manipulators, medium and minor cranes, excavators and other engineering machineries. Four point contact ball slewing bearings have high dynamic load carrying capacity.

Double-row angular contact ball slewing bearings

Double-row angular contact ball slewing bearings have three housing washer, the steel balls and spacers can be directly guided into the upper and lower raceways. According to the force received, up and down two steel balls with different diameters are arranged. Bearings with this open type structure are very convenient; they can accommodate large axial and moment loads. Double-row angular contact ball slewing bearings have both large radial sizes and axial sizes and the structure is firm and solid, especially applicable for tower cranes with medium and above sized diameters, truck cranes and other handling machines.

Crossed cylindrical roller slewing bearings

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