Four point contact ball slewing bearing which have external teeth, internal teeth and none teeth,be made up of two seat rings. Dia always choose from 100mm-3000mm,In this slewing ring bearing, the balls contact with the circular raceway at four points. The bearing can support axial force, radial force and resultant moment simultaneously.

This Type slewing bearings are compact in design and light in weight. They can be applied in slewing conveyors, welding manipulators, middle or small sized cranes and excavators, etc.The famous types are VA,VI,VU series

Four point contact ball slewing bearing