Four Contact Slewing Bearing is composed of two seat-rings with the compact structure and the light weight. It can undertake the Axial Force, Radial Force and Tipping Moment at the same time due to the four contact points between the steel ball and the circular obrit. Meanwhile it has the high ability of taking static load.
Mainly applied area:
Four Point Contact Slewing Bearing is widely used in many machines such as the rotary transfer machine, welding manipulator, small or middle size crane, excavator, and other construction machineries, etc.
Large Size Four Point Contact Ball Slewing Bearing