Brief Introduction of Single Row Four Point Contact Spherical Rotary Bearing

Brief Introduction of Single Row Four Point Contact Ball Rotary Bearing: Single Row Four Point Contact Ball Rotary Bearing consists of two seat rings, compact structure, four point contact between steel ball and arc raceway. Mainly used in truck crane, tower crane, excavator, pile driver, construction vehicle, radar scanning equipment and other machinery to bear the role of overturning moment, vertical axial force, horizontal inclination force.