The computation method of the bearing life is presented and modification of the effect of the reliability, material and the EHL film thickness on the fatigue life is given to.

• 本论文建立 了球轴承的准动力学分析模型、负荷分布、轴承变形和椭圆接触区参 数与轴承转速、滚动体惯性力及角位置的 复杂关系；