Disassemble them and check the bearing RACES for pits or scoring which mean the hub should not be used.
他们拆开检查坑或得分，这意味着该中心不应该使用的轴承套圈。
2
Another advantage of the cartridge bearing is the easy serviceability. In most axial bearings, the cup is an integral part of the hub and cannot be replaced.
另一个轴承利用墨盒是最容易的适用性。大多数轴向轴承，杯子是一个集线器组成部分，不能被取代。
3
To meet the design requirement and the changing environmental conditions, car hubbearing must have very high reliability.