the single-row four points contact ball slewing ring is composed of 2 seat-rings. it features compact in dedign,and light in weight. the balls contact with the circular race 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 arm and positioner,light,medium duty cranes,excavators and other engineering machines.
size: OD 500mm-5000mm
roller type: cylindrical, taper
gear type: no gear, internal gear
external gear
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