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Hot Sale Single Row Ball Slewing Bearing Market for Ship Crane

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The four-point contact ball bearings are radial single row angular contact ball bearings featuring raceways that can handle axial loads acting in both directions. A limited radial load can be supported for a given axial load.
Quantity:
  • 011.22.422F
  • Wanda
  • 8482800000

The balls roll on the circular race at four points, so it can undertake the axial force, radial force and tipping moment at the same time.This series of four point contact ball bearings are suitable in many engineering machinery, such as rotary conveyor welding operation machine, small cranes, small and medium-sized excavators and so on.We offer our products in accordance with the client's requirements, no teeth type (non-geared), outer teeth type (external geared), inner teeth type (internal geared) are all available. 

Four-point contact ball slewing bearings

The quality and the precision of our manufacturing is the key to ensure good running after many dismantling operations of the crane. We can supply various type of crane application. Our slew bearings are supplied for ship loaders to load and un-load various commodities. It widely used in ship cranes, harbor cranes, offshore cranes, portal cranes etc. 

(1). Ship Cranes 

(2). Harbor Cranes 

(3). Offshore cranes

(4). Portal cranes

The contact angle is usually 45°. If there is only a radial load, each steel ball contacts the raceway at four points. If there is only a unidirectional axial load,each steel ball contacts the raceway at two points. It can bear axial loads in two directions as well as a certain eccentric load, i.e. torque. Such kind of bearing has features and properties of both single-row and double-row angular contact ball bearings. If it is used in a high-speed scenario, two-point contact must be ensured for its normal working.

Four-point contact ball slewing bearing


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Xuzhou WanDa Slewing Bearing Co.,Ltd.
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Xuzhou WanDa Slewing Bearing Co.,Ltd.
 No.15,Huaxia Road,the 3rd Industrial Park,Tongshan District, Xuzhou, Jiangsu,China.
  +86-516-83309366     +86-516-83303986
   info@slew-bearing.com
  +86-133-37939399   +86-180 2053 7858

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