FAG bearings, or need inventory longer and often in high or low temperatures of FAG bearings, requires a long period of time without a significant impact on the dimensional accuracy and shape accuracy of organizational changes.

     Organizational changes induced shape change, often makes the amount of interference with the change in individual cases would fail and cause an accident with, must be noted.

     At low, ambient and high temperature three temperature zones, sleeve bearing steel dimensional stability of the organization and were subject to different effects due home.

     At low temperature and room temperature, FAG bearing steel related organizations and dimensional stability of the austenite stability of silver.

     FAG bearing steel after heat treatment contain a certain proportion of residual austenite. If content is moderate, then the fatigue strength of steel is advantageous, but is an unstable residual austenite tissue components, when at a low temperature and room temperature, the martensite transformation of larger trend, but at room temperature the transition speed is very slow.

     The purpose of the austenite stabilization of austenite is stabilized at the optimum ratio. And this optimum ratio along with FAG bearings inventory the number of years required varies.

     Common FAG bearing steel at room temperature within five years, the amount of retained austenite stability.

     FAG bearing steel at high temperature stability and the following three factors: a) austenite; b) martensite decomposition; c) poly carbide possession and grow up. Taking these three factors must win shadow of meat in order to properly control the work environment at high temperature glaze Order song dimensional stability, which requires FAG bearings based on the operating temperature, the corresponding control residual austenite content, the use of water treatment and tempering and other methods to ensure that work at a predetermined temperature range, the rut order of the organization and control of dimensional changes will not significantly affect the working precision matched FAG bearings precision range.