其主要部件包括十字轴、万向节叉以及滚针轴承等。
The main components of a spider cardan joint include the spider, yokes and quill bearings, etc.
万向节十字轴的四个轴颈叫做万向节十字头，分别装在两个万向节叉顶端的轴承中。
The four arms of the spider, known AS trunnions, are ASsembled into bearings in the ends of the two shaft yokes.
u形件称为万向节叉，连接万向节叉的十字叉叫作十字轴，从十字轴延伸出的臂叫作耳轴。
The U-shaped pieces are called yokes. The cross that connects them is called a spider. The arms that extend from the spider are called trunnions.
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