Precision bearing component special for advanced medical X light pipe

The invention discloses a precision bearing assembly dedicated to a high-end medical x-ray tube. In the bearing assembly, a cylindrical bearing pedestal 7 is sequentially provided with a clamp spring 2, steel balls 3, an outer ring 4, a C-shaped spacer bush 5, an outer ring, steel balls and a wavy spring 6, the clamp spring is clamped on an inner ring groove of the bearing pedestal, the two outerrings are arranged in a back-to-back manner and separated by the C-shaped spacer bush, one outer ring is clamped by the clamp spring, and the other outer ring is pressed by the high-temperature resistant wavy spring, two outer ring channels are filled up with silvered steel balls, the two-row steel balls can roll in two channels with flange shafts 1, and a plurality of threaded holes and positioning rabbets are arranged at a flange end with the flange shafts and used for mounting. An MoS2 film is sprayed in the channel of the outer ring and the two channels with the flange shafts by a sputtering method. The precision