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TIMMING OF BALL BEARINGS DURABILITY

Keywords:

V. P. Gatchenko, Yu. V. Yurkov


The calculation of longevity of ball bearings is made in accordance with GOST 18855-94. This is so called basic estimated life. There is the known dependence allowing to calculate the mean life to failure of a bearing. The both calculations are based on the criterion of fatigue leveling of balls and cage surfaces. Alongside, there exist some researches, stating that bearings, operating in vacuum and in agricultural machinery, break down due to destroy of cage. In this article some approaches to estimation of longevity of bearing cage are analyzed
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