介绍高速精密微型轴承性能测试装置的主要技术指标.并分别叙述了该装置的轴承摩擦力矩测量等五个系统的结构和特点,同时,还给出部分实验曲线.附图9幅,表2个,参考文献2篇. This paper introduces the main technical indexes of the high speed micro-bearing performance testing device and describes the structure and characteristics of the five systems such as bearing friction torque measurement of the device respectively, and gives some experimental curves at the same time. , 2 references.