non-contact sealed ball bearing

例句：

1. 1. The new designof the non-contact sealing ball bearing greatly improves its durability and efficiency.
   新型的非接触密封球轴承极大地提高了其耐用性和效率。
2. 2. In the manufacturing process, the non-contact sealing ball bearing plays a crucial role in reducing friction and maintaining precise movement.
   在制造过程中，非接触密封球轴承在减少摩擦和保持精确运动方面起着至关重要的作用。
3. 3. The engineers carefully selected the materials for the non-contact sealing ball bearing toensure its longevity and reliability.
   工程师们仔细选择了非接触密封球轴承的材料，以确保其持久性和可靠性。