Plane thrust bearing

The utility model relates to the technical field of thrust bearings, in particular to a plane thrust bearing, which comprises an outer ring, an inner ring, a plurality of rolling bodies, an inner retainer and an outer retainer, the inner ring is sleeved inside the outer ring, the rolling bodies are uniformly arranged between the inner wall of the outer ring and the outer wall of the inner ring, and the outer retainer is sleeved outside the inner ring. The inner retainer is sleeved between the outer wall of the inner ring and the rolling body, and the outer retainer is sleeved between the inner wall of the outer ring and the rolling body. The rolling bodies are evenly clamped in the arc-shaped grooves in the inner retainer and the outer retainer, the rolling bodies are firmly pressed on the outer retainer through the inner retainer by installing the piston ring, and the stability of the structure is enhanced. 本实用新型涉及推力轴承技术领域，尤其涉及一种平面推力轴承，包括外圈、内圈、滚动体、内保持架以及外保持架，所述内圈套在所述外圈内部，所述滚动体设有若干，并均匀排列在外圈内壁以及内圈外壁之间，所述内保持架套在