ball reciprocating bearing

例句：

1. 1.The new car has a ball reciprocating bearing that makes it run smoothly.
   这款新车有一个球面滚珠轴承，使得它运行顺畅。
2. 2. The engineer used a ball reciprocating bearing to reduce friction between the gears.
   工程师使用了一个球面滚珠轴承来减少齿轮之间的摩擦。
3. 3.The ball reciprocating bearing is essential for maintaining the smooth operation of the machine.
   球面滚珠轴承对于保持机器平滑运转至关重要。