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A, improper installation (about 16%)
1, the installation to use brute force, direct percussion bearing the greatest damage to the bearing with a hammer; is the main cause of deformation.
2, the installation is not in place, install a biased or not loaded to bearing, resulting in bearing clearance is too small. The inner and outer rings are not in the same center of rotation, resulting in different heart.
Recommendation: select the appropriate or professional bearing installation tool, installed special equipment to use test.
Two, poor lubrication (about 36%)
According to the survey, poor lubrication is one of the main causes of premature bearing damage. The main reasons include: failure to fill lubricant or lubricating oil; lubricant or lubricating oil is not filling in place; lubricants or lubricant improper selection; incorrect lubrication method, etc..
Recommendation: choose the right lubricant or lubricating oil, use the correct lubricant filling way.
Three, pollution (about 14%)
Pollution can lead to premature bearing damage, pollution is refers to dust, metal scraps into the bearing internal. The main reasons include: the use of open bearing prematurely before packaging, causing pollution; installation work environment is not clean, pollution; bearing working environment is not clean, the working medium pollution.
Suggestions: best not to open the bearing in use before packing; install to keep the environment clean installation, clean bearings to be used; to enhance the bearing seal.
Four, fatigue (about 34%)
Fatigue damage is a common damage mode bearing. Damage reason of common fatigue may be: Bearing long-term overload operation; not timely repair; repair improper; aging equipment etc..
Recommendation: select the appropriate bearing type, bearing a regular and timely replacement of fatigue.
The above is some of the most common causes of the early damage of the bearing; the cause of early damage of the bearing is in many aspects, the above are the main reasons to consider, sometimes may be the reason. If the bearing selection is correct, installed correctly in place, lubrication and lubricant selection is correct, the bearing is working for a long time.