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what does nsk stand for bearing grease whether the deterioration

139 Published by admin Jun 21,2019

What does nsk stand for bearing grease selection and maintenance is very critical. If a deteriorated grease is used, it will not only fail to provide the proper protective lubrication, but may also damage the NSK bearing. A method to check if the NSK bearing grease has deteriorated.

1, what does nsk stand for oil flow observation
Take two measuring cups, one of which holds the NSK bearing lubricant to be inspected, the other is placed on the table, and the measuring cup filled with lubricating oil is lifted off the table 30-40 cm and tilted, so that the NSK bearing lubricant is slowly flow into the empty cup and observe the flow. what does nsk stand for the good quality lubricating oil should be slender, even and continuous. If there is a sudden flow of oil, sometimes there will be a large flow, then the lubricant has deteriorated. .

2, what does nsk stand for illumination method
On a clear day, use a screwdriver to pick up the NSK bearing lubricant at a 45-degree angle to the horizontal. Observe the sunlight and observe the oil droplets. what does nsk stand for under the illumination, it can be clearly seen that there is no wear debris in the bearing lubricating oil, which can continue to work. If the grinding debris is too much, the lubricating oil should be replaced.nsk thrust bearing

3, what does nsk stand for
NSK bearing lubricant is rubbed repeatedly between the thumb and forefinger. what does nsk stand for the better lubricant feels lubricated, less wear debris, no friction, and if you feel a large friction between the fingers, what does nsk stand for means there are many impurities in the lubricating oil, which can no longer be used. New lubricants should be replaced.

4, what does nsk stand for oil droplet trace method
Take a clean white filter paper, drop a few drops of oil on the filter paper. After the oil leaks, if there is black powder on the surface, touch the hand with a feeling of resistance, it means that there are many impurities in the lubricant, good lubricant No powder, it is dry and smooth by hand, and it has yellow marks.

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