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GCR15 cylindrical roller introduces what are the problems that need to be paid attention to in cylindrical roller bearings
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Release time:
2021-03-23
The rolling element is a radial rolling bearing of cylindrical rollers. The internal structure of the cylindrical roller bearing adopts the parallel arrangement of the rollers, and the spacers or spacers are installed between the rollers, which can prevent the inclination of the rollers or the friction between the rollers, and effectively prevent the increase of the rotation torque. So do you know what issues it needs to pay attention to? Let's follow the editor of GCR15 cylindrical roller to have a simple understanding!
1. Vibration
In normal use, vibration is very sensitive to bearing damage, peeling, indentation, rust, cracks, wear, etc. will be reflected in the bearing vibration measurement. Therefore, by using a special bearing vibration measuring device (frequency analyzer, etc.), the magnitude of the vibration can be measured, and the specific abnormality can be inferred from the frequency distribution. The measured value is different due to the use condition of the bearing or the installation position of the sensor, so it is necessary to analyze and compare the measured value of each machine in advance to determine the judgment standard.
2. Temperature
The use of high temperature often indicates that the cylindrical roller bearing has been in an abnormal condition. High temperature is also harmful to the lubricant of the bearing. Sometimes bearing overheating can be attributed to the lubricant of the bearing. Long-term continuous rotation of the bearing at a temperature exceeding 125°C will reduce the life of the bearing. The causes of high-temperature bearings include: insufficient lubrication or excessive lubrication, impurities in the bearing raceway, excessively high limit speed, long-term overload operation of the bearing, etc.
In summary, the editor of GCR15 cylindrical roller tells: some problems that need to be paid attention to about cylindrical roller bearings, I hope you can learn more through the introduction of the above editor.
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