Single-row four point contact ball slewing bearings are contain 1 inner ring
and 1 outer ring with in between a balls as rolling element.
It features compact in design, light 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.
They are used for slewing conveyers, welding operating consoles, light,
medium duty cranes, excavators and other machines.
Single-row four point contact ball slewing bearings can be divided into 3 types;
series 01-internal gear type
series 01-without gear type
series 01-external gear type