四辊轧机工作辊轴承和支承辊止推轴承失效的主要原因是它们在工作中所受的轴向载荷过大。

The axial overload is the main factor which causes work roll bearings and back-up thrust bearings of four-high mill invalid.

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由于增加了一套轴向止推轴承，所有的推力和向心轴承均被分别预加载。

With an additional axial thrust bearing, both the thrust and radial bearings are preloaded individually.

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四辊轧机工作辊轴承及支承辊止推轴承失效的主要原因是轴向力过大。

The axial overload is the main factor which causes work roll bearings and back up thrust bearings of four high mill invalid.

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