The single-row four point contact ball slewing ring is composed of 2 seatrings.
It features compact in design,ling in weight,the balls contact with the circular raceway at four points,via which the axial force,radial force and resultant moment may be born simultaneously.
It may be used for slewing conveyers,welding operating consoles,light,medium duty cranes,excavator and other engineering machines.
slewing ring