Bearing a single row thrust ball bearings to the heart, which has at the same time to bear a greater bearing axial load and radial load capacity.

轴承采用了单列向心推力球轴承，这种轴承具有同时承受较大的轴向荷载和径向荷载的能力。

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Combined needle roller bearings consist of a radial needle roller bearing combined with a thrust bearing and are consequently able to take up both radial and axial loads.

组合式滚针轴承是由一个向心滚针轴承和一个推力轴承相结合，因此能够承受径向和轴向负荷。

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

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。

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