滚动轴承是现代机械设备、交通运输工具和国防武器中不可缺少的配件之一。一个国家的轴承工业发展情况,在一定程度上标志着它的工业化和自动化的水平。1960年世界各国轴承总产量的18亿套。几个主要国家的轴承产量和轴承制造工厂情况如表1。 Rolling bearings are one of the indispensable parts of modern machinery and equipment, transportation and defense weapons. Bearing a country’s industrial development, to some extent, marking its level of industrialization and automation. In 1960, the world’s total output of 1.8 billion sets of bearings. Table 1 shows the bearing production and bearing manufacturing conditions in several major countries.