shaft bearing

例句：

1. 1.The shaft bearing is critical for the operation of the machine.
   轴轴承对于机器的运行至关重要。
2. 2. The engineer carefully inspected the shaft bearing before installing it.
   工程师在安装之前仔细检查了轴轴承。
3. 3.The shaft bearing was replaced after a few days of use due to wear and tear.
   使用几天后，由于磨损，轴轴承被更换了。