On the base of design technology researching, this paper describes the optimum design of typical double row angular contact ball bearings in electromagnetic clutch, its processing key technology and measurements. 本文在对双列角接触球轴承进行设计技术研究的基础上,对典型型号的电磁离合器用双列角接触球轴承进行了结构优化设计,并研究了此类轴承的关键加工工艺和测量方法。