idler shaft bearing cone

例句：

1. 1.The idler shaft bearing cone is crucial for the smooth operation of the machine.
   惰轮轴轴承圆锥对于机器的平稳运行至关重要。
2. 2.The engineer carefully inspected the idler shaft bearing cone to ensure it was functioning properly.
   工程师仔细检查了惰轮轴轴承圆锥，确保其正常工作。
3. 3.During maintenance, the technician replaced the worn-out idler shaft bearing cone with a new one.
   在维护过程中，技术人员用一个新的替换了磨损的惰轮轴轴承圆锥。