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.