How to remedy the improper installation of the hub bearing

Release time:

2023-06-28

When installing, the shoulders of the shaft and the outer casing are not perpendicular to the mating surface, or the inner and outer rings are skewed due to the bending of the shaft, which may cause excessive contact stress on the rolling surface, resulting in peeling.

Some people in the automobile bearing manufacturer have encountered some problems due to improper installation of the wheel hub bearing. How to remedy it?
1) When installing, the shoulders of the shaft and the outer casing are not perpendicular to the mating surface, or the inner and outer rings are skewed due to the bending of the shaft, which may cause excessive contact stress on the rolling surface, resulting in peeling.
2) The outer ring is installed in an elliptical or conical seat hole. When the rolling elements pass through the irregular raceway, the contact stress is increased, resulting in early peeling of the raceways and rolling elements.
3) When the cylindrical roller bearing is installed, the inner or outer ring roller is injured due to the installation of the skew and the excessive force when striking.
4) When the deep groove ball bearing is installed on the shaft, if the applied pressure is transmitted through the outer ring and the steel ball, it will inevitably cause pits in the place where the raceway contacts the steel ball. These pits are the source of spalling, and they are developing rapidly, and the bearings will soon be scrapped. Therefore, when installing the inner or outer ring with interference, only the end faces of the inner or outer ring to be mounted can be applied.
5) In addition, if the bearing is installed too tightly, too loosely or improperly adjusted, it will cause early peeling of the bearing.

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