Low-temperature deep cooling bearing
A low-temperature cryogenic, ball bearing technology, used in ball bearings, bearing components, shafts and bearings, etc., can solve the problem that bearings are not suitable for high-speed refrigerator equipment, etc., and achieve long service life, strong load capacity, and improved service life. Effect
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[0015] The specific embodiments of the present invention will be further described below in conjunction with the drawings.
[0016] Figure 1~Figure 4 It includes outer ring 1, inner ring 2, rolling element 3, cage 4, ball lock 5, rib 6, raceway 7, rib 8, rib 9, raceway 10, cylindrical surface 11, lock Ball hole 12, ball lock port 13, etc.
[0017] Such as figure 1 As shown, the present invention is a low-temperature cryogenic ball bearing used in high-speed refrigeration equipment, especially a liquid nitrogen pump used therein, including an outer ring 1, an inner ring 2, a rolling element 3, and a cage 4.
[0018] The outer ring 1 and inner ring 2 are made of stainless steel, preferably 9Cr18 stainless steel. The use of stainless steel can prevent the bearing from rusting in a low temperature and cryogenic environment. The raceway 7 of the outer ring 1 and the raceway 10 of the inner ring 2 are both superfinished and processed with tungsten disulfide surface treatment, so that th...
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