pin rocker bearing

例句：

1. 1. The new car has a pin rocker bearing that makes it run smoothly.
   这辆新车有一个销钉式滚珠轴承，使它运行顺畅。
2. 2.The old machine had a worn pin rocker bearing that needed to be replaced.
   那台旧机器有一个磨损的销钉式滚珠轴承，需要更换。
3. 3.The engineer carefully inspected the pin rocker bearing before installing it in the machine.
   工程师在安装机器之前仔细检查了销钉式滚珠轴承。