Simple subdivision formula plane four -point contact ball formula slewing bearing who dismantles

The utility model provides a simple subdivision formula plane four -point contact ball formula slewing bearing who dismantles, includes shang quan and lower ring of component, shang quan includes two upper portion half -turns and two lower part half -turns respectively with lower ring, circles under and has offered the I -shaped groove, chock and outer chock in the I -shaped inslot is installed, shang quan and be provided with spherical raceway between lower ring, ball formula spacing block and steel ball be equipped with in the raceway, the both sides of raceway are provided with outer rubber seal and interior rubber seal. The utility model discloses simple structure, convenient to use have realized the simple and convenient installation of slewing bearing in the finite space, can also realize not tearing the host computer open separating apart from limited from top to bottom, only tear the function that slewing bearing just can directly look over the raceway condition open, further extend slewing bearing's