Four point contact ball formula slewing bearing on subdivision formula plane

The utility model discloses a four point contact ball formula slewing bearing on subdivision formula plane, it includes shang quan and xiaquan, shang quan include two upper portion half -turns and two lower part half -turns respectively with lower ring, inlay the merga pass connecting screw between two upper portion half -turns and connect with the taper bolt, inlay merga pass connecting screw and taper bolt connection between two lower part half -turns, be provided with spherical raceway between upper and lower the circle, steel ball that a plurality of ball formula spacing blocks of packing into wrapped up in the raceway. The utility model discloses simple structure, convenient to use have realized the simple and convenient installation of slewing bearing in the finite space, have guaranteed to bear, and automatic centering not only satisfies the requirement that machinery maximized, can further extend slewing bearing's use field moreover.