NTN bearing checked on a regular basis, it is important to maintain a bearing is in the best position, can also reflect the problem. Bearings in use should be aware of and understanding.
We want to stress is, is important to keep flanged bearings are lubricated and clean. So when before we check for NTN bearing, you should clean the bearing surface, and then remove the bearing parts around. We should note that oil seal is very fragile parts, so check and access need to be especially careful when to use excessive force, so as to avoid the parts damaged. Then carefully check the bearing oil seal and its surrounding parts, if already a bad symptoms, be sure to replace the bad seal can cause bearing damage, bearing cloud is not caused by normal equipment downtime.
We also need to check the bearing lubricant. Lubrication is very important, not for the bearing, flange bearings for all. But note that the NTN bearings should not be adding too much grease.
Dip a little lubricant on friction between the two, if the presence of pollutants, are feeling out; or hand painted on a thin layer of lubricant, and Ray.
Used engine oil after lubrication bearing in purging with the exception of the old engine oil, if possible, should be grouted with fresh engine oil and make the machine at low speed of rotation for a few minutes. Oil collects residual pollutants as far as possible, and then purging these oils. Note: engine oil before use it is best to filter. Use grease-lubricated bearing grease are replaced, Joe with the exception of the use should avoid contact with cotton to flange bearing any of the parts. Fiber because these residues may be wedged in between the scroll bar and causing damage, especially small bearing application must also pay attention to this issue.
NTN bearings faults are often due to a combination of factors, all design and manufacturing process factors and bearing failure, their analysis is not easy to determine. Under normal conditions, in the General case, you may want to consider and analyze the factors and internal factors.
Major factors used to adjust is the installation, use and maintenance, maintenance, compliance with technical requirements. Installation conditions is to use a bearing is one of the factors is often caused by incorrect installation state changes between the parts of a package bearing the prime factors of gravity, in abnormal operation and early failure. According to the flanged bearing installation, use, maintenance, load bearing contact for technical requirements for maintenance operations, speed, temperature, vibration, noise and lubrication State monitoring and inspection, found immediately to find the causes of abnormal, adjusting back to normal.
NTN bearing materials for metallurgy is a major factor affecting the quality of early failure of rolling bearings. As metallurgy advances (such as bearing steel, vacuum degassing, etc), to improve the quality of raw materials. Raw materials of quality factors in the failure analysis of flange bearing the proportion has dropped significantly, but it still is one of the main factor bearing failure. Appropriateness of selection of rolling bearing failure analysis must be taken into account.



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