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油膜轴承亦称液体摩擦轴承理想滑动轴承，是现代轧机关键心部件之一。随着科学技术的不发展，用户对轧制产品的质量要越来越高，尤其对薄板精度要求更是苛刻，轧制速度也趋增快，如高速线材已超过100m/s级。油膜轴承由于具有滚动轴承所不具备的承载能力大（比滚动轴承一般3倍以
Oil film bearings, also known as liquid friction bearings ideal sliding bearings, is one of the key heart of modern mill components. With the development of science and technology, the quality of rolled products is getting higher and higher. In particular, the precision of sheet is more demanding and the rolling speed also tends to be faster. For example, the high-speed wire has exceeded 100m / s. Oil film bearing with a rolling bearing does not have the carrying capacity (than the general 3 times the number of rolling bearings