Damage status: the so-called creep refers to the mating surfaces generated in the bearing clearance, in terms of relative sliding between the matching surface, registering creep are angled with the mirror light or dark side, sometimes the pages with injury and wear.
Interference quantity or inadequate clearance fit.
Set set of tighten enough.
Check amount of interference.
Check transfer measures.
Fastening set set appropriately.
The axis and the precision of the bearing housing.
The axial preloading.
Rolling wheel side fastening.
To cooperate with the surface coating lubricant.