| Single-row four point contact ball
slewing ring bearing is composed of 2 seat rings, It feature
companct in design, and light in weight. The balls contact with
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, excabators and other engineering machines. |