The causes of the limit speed noise of fag deep groove ball bearing
The causes of the limit speed noise of fag deep groove ball bearing
2022-04-01
Simple treatment of problems affecting the service life of IKO thin wall bearing
Simple treatment of problems affecting the service life of IKO thin wall bearing
2022-04-01

Three causes of common burn failures of fag self-aligning ball bearings

 

 

Three causes of common burn failures of fag self-aligning ball bearings

There are three major causes of common burn failures of self-aligning ball bearings: poor lubrication of bearings; Excessive load of fag bearing; The poor accuracy of shaft and bearing housing is the cause of bearing burns. The following is a detailed introduction to the causes of bearing burns.Three causes of common burn failures of fag self-aligning ball bearings

  • One of the reasons for bearing burns is that the lubrication of self-aligning ball bearing is poor, and irregular lubricant may be used, or too much or too little lubricant is incorrect.
  • The second reason for bearing burn is the excessive load of the bearing; Excessive speed of bearing; The clearance of bearing is too small; Intrusion of water or other foreign matters.
  • The third reason of bearing burn is the poor accuracy of shaft and bearing housing and the large deflection of shaft.Three causes of common burn failures of fag self-aligning ball bearings
  • The three major causes of bearing burns will lead to the state of bearing burns, and the raceway wheel, rolling element and cage of fag bearing will be heated sharply during rotation until discoloration, softening, deposition and damage.
  • It is suggested that the installation, lubrication, clearance and other links of the bearing should be as accurate and in place as possible, so as to reduce the burn of the bearing and prolong the service life of the bearing.Three causes of common burn failures of fag self-aligning ball bearings
  • The causes of bearing noise are complex. One is the wear of the mating surfaces of the inner and outer rings of the bearing. Due to this wear, the matching relationship between bearing and shell, rolling bearing and shaft is damaged, resulting in the axis deviation from the correct position and abnormal sound when the shaft moves at high speed. 
Three causes of common burn failures of fag self-aligning ball bearings

Three causes of common burn failures of fag self-aligning ball bearings

  • When the bearing is tired, the metal on its surface will peel off, which will also increase the radial clearance of the bearing and produce abnormal noise. In addition, insufficient bearing lubrication, dry friction and bearing breakage will produce abnormal sound. 
  • After the self-aligning ball bearing is worn and loose, the cage is loose and damaged, which will also produce abnormal noise.Three causes of common burn failures of fag self-aligning ball bearings
  •  The bearing has been damaged and should be replaced immediately.
  •  There is too little or too much bearing grease or impurities such as iron filings. The capacity of bearing grease shall not exceed 70% of the total volume, and those with impurities shall be replaced.Three causes of common burn failures of fag self-aligning ball bearings
  •  The fit between shaft and fag bearing is too tight or loose. If it is too tight, it shall be grinded again, and if it is too loose, the rotating shaft shall be sleeved.
  • The fit between bearing and end cap is too tight or loose. When it is too tight, the bearing chamber shall be processed, and when it is too loose, the steel sleeve shall be embedded in the end cover.Three causes of common burn failures of fag self-aligning ball bearings
  •  The covers at both ends of the motor or bearing covers are poorly assembled. Install and level the end cover or bearing cover stop, and tighten the screws.
  •  The belt is too tight or the coupling is poorly assembled. Adjust the belt tension and correct the coupling.Three causes of common burn failures of fag self-aligning ball bearings
  • The lubricating oil of self-aligning ball bearing is too little, there are impurities or the oil ring is stuck. The oil ring shall be repaired or replaced if oil is added or replaced.Three causes of common burn failures of fag self-aligning ball bearings
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