One, touch
High temperatures often indicate that the NTN bearing is already in an abnormal condition. High temperatures and harmful to the lubricant in the bearings. Sometimes, bearing overheating can be attributed to the lubricant of the bearing, and the long-term operation of the bearing exceeds 125 °C, which reduces the service life of the bearing. The reasons for the high temperature bearing include: insufficient lubrication or excessive lubricating oil, lubricating oil contains impurities. Heavy load, bearing damage, lack of space, high temperature friction with oil seals. Therefore, continuous monitoring of bearing temperature is necessary, whether it is measuring the bearing itself or other important parts. If the operating conditions have not changed, any temperature changes may fail. Daily attention to roller bearing maintenance requires attention to detail. Bearing temperature measurement can often help the thermometer accurately measure the bearing temperature and according to the degree. The important NTN bearing is that when it is damaged, it will cause equipment downtime, so this type of bearing should preferably be equipped with a temperature detector. Under normal conditions, the natural temperature of the bearing is lubricated and lubricated and lasts for one or two days. Daily attention to the details of roller bearing maintenance
Second, observe
Daily attention to the details of roller bearing maintenance
If you have a good lubrication with the right barrier of the bearing and the moisture and seal, say the seal should not be worn, however, it is best to check in the open bearing housing to visually inspect and periodically check the bearing oil seal, bearing oil seal conditions, Make sure they are not sufficient to prevent liquid or corrosive liquids or gases from entering the bearing along the axis. The guard ring and labyrinth seal should be greased to protect them from maximum protection. The oil seal should be replaced as soon as possible if it is worn. The oil seal function in addition to preventing magazines from NTN bearings, another function is to keep the bearing housings lubricated. If the oil seal leaks, immediately check that the seal has been worn or the oil is loose. The phenomenon of leakage may also be caused by the looseness of the bearing housing joint or due to the excessive addition of lubricating oil to form a mixture and leak detection, the automatic lubrication system ensures the correct amount of lubricant, and examines whether color or black, if there is such a phenomenon, The lubricant is usually said to contain magazines. Daily attention to the details of roller bearing maintenance
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