In the injury is due to the damage state of sliding surface injury parts of small burns summary of surface damage.
Slide face, rolling surface circumferential direction of linear scars.
End of the roller set linear scar near the end of the roller shaft torus card.
Reason: too much too much load, preloading.
Foreign body nip.
The inner ring of the outer ring tilt, the deflection of shaft.
The precision of shaft, bearing box.
The size of the measures: check the load.
Preloading is appropriate.
Improve lubricant and lubricating method.
Check the shaft, the precision of the bearing housing.