发动机主轴轴承失效的主要形式之一就是保持架的损坏，而保持架损坏的原因主要是保持架的磨损及滚动体对保持架的冲击。

One of the main reasons of the failure on main shaft bearing of aviation engine is the damage of cage.

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轧机用四列圆柱滚子轴承的主要失效形式及原因是滚道表面疲劳剥落、裂纹和保持架的过早损坏。

The main failure types of four row cylindrical roller bearings, used in rolling mills, are: fatigue flakings, cracks on the raceway surfaces, and the premature damage of cages.

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