Ball Bearing , Excavator Spares , Swing Bearing

Four point contact ball slewing bearing is composed of 2 seat rings . It features compact in design , and light in weight . The balls with the circular race at four points , via which the axial force , radial force and resultant moment may be born at the same time .

Application : widely used for slewing conveyers , concrete machinery , light and heavy duty cranes , excavators and other engineering machinery .