needle roller bearing

例句：

1. 1. The machine uses a needle roller bearing to reduce friction and increase efficiency.
   这台机器使用针式滚柱轴承来减少摩擦并提高效率。
2. 2. The engineer designed the new needle roller bearing for better performance.
   工程师设计了新的针式滚柱轴承，以获得更好的性能。
3. 3. The needle roller bearing is critical for maintaining the smooth operation of the machinery.
   针式滚柱轴承对于保持机械设备的平稳运行至关重要。