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针对高速圆柱滚子轴承Ｄ１８４２９２６Ｓ３Ｑ１的２３种工况条件，进行了轴承工作系统温度分布的计算和测试，计算结果与测试结果基本吻合，此为有效控制航空发动机主轴滚子轴承关键部位的温度提供了理论和实验依据。
Aiming at the 23 kinds of working conditions of high speed cylindrical roller bearing D1842926S3Q1, the temperature distribution of bearing working system is calculated and tested. The calculation results are in good agreement with the test results. This is provided for effectively controlling the temperature of key parts of aero-engine main shaft roller bearings Theoretical and experimental basis.