Roller bearings of cross wedge mill are double-rows taper roller bearings and one of the important parts on mill. It directly bears rolling force when mill works.
楔横轧机滚动轴承为双列圆锥滚子轴承，直接承受轧机运行中产生的轧制力，是轧机关键零部件之一。
2
The high speed shaft of the coal mill gear box for the boiler in a power plant broke, and the double-row self-aligning roller bearing was damaged.
某电厂发生锅炉磨煤机变速箱高速轴断裂，双列调心滚子轴承损坏。
3
This paper describes the optimal design for the rocker mechanism of multi-strand and multi-roller cold tube-rolling mill with balancing method of double-noses.