No teeth Two-row Four Point Contact with the same track Ball Slewing Bearing

Double row different ball slewing bearing’s axial and radial size are relatively large and solid in structure, so it is specially suitable for the medium diameter tower cranes, truck mounted cranes etc. loading and unloading machinery.It can be used for slewing conveyer, welding manipulator, light & medium duty crane, excavator, and other construction machinery.http://www.czright.com/