outer wheel bearing

例句：

1. 1.The outer ring bearing is the part of the wheel that supports the inner ring.
   外圈轴承是车轮上支撑内圈的部分。
2. 2.The outer ring bearing needs to be replaced regularly to ensure proper functioning.
   外圈轴承需要定期更换，以确保正常工作。
3. 3.The new outer ring bearing has a longer lifespan than the old one.
   新的外圈轴承比旧的有更长的使用寿命。