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针对高速线材厂悬臂式轧机四列短圆柱滚子轴承的轴承座无法实现自位前提下，提出研制宽系桶柱滚动轴承，以更替原四列短圆柱滚子轴承，解决轴承异常偏载短寿及烧胶问题。
For high-speed wire rod mill cantilever mill four rows of short cylindrical roller bearings can not be self-bearing premise, proposed the development of wide-barrel buckle roller bearings to replace the original four-row short cylindrical roller bearings to solve the abnormal partial load bearing short-lived And burn gum problems.