Particularly with Taper Roller Bearings sufficient support of bearing rings by the adjacent parts is required due to the generated internal thrust force components.

尤其是圆锥滚子轴承的轴承环的邻近部位足够的支持是必需的，由于所产生的内部推力组件。

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With a failed right engine and a malfunctioning left engine that was not generating sufficient thrust, the aircraft quickly lost altitude.

CNN: F-18 crash attributed to rare dual engine failure