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Household appliances - bearing NSK bearing import cooperate and preload knowledge
by：Waxing
2020-06-11
The rotation of the bearing has a certain limit, NSK bearings will be no exception, bearing rotates, as the bearing rotating speed, bearing internal friction heat and the temperature rise is also increased.
Rotational speed limit is able to produce sintering, overheating, running speed value of experience.
Should this, all kinds of bearing limit speed, because of the bearing structure, size, cage structure, material, bearing load, NSK bearing lubrication method, including the surrounding cooling and each different.
All kinds of bearing size table, according to each bearing are recorded with grease lubrication and oil lubrication limit speed.
This value is the standard design of bearing, under the condition of normal load, grease lubrication and oil lubrication operation, allowed by the rotation of the number.
The value of oil lubrication, which is based on oil bath lubrication benchmark.
According to the types of lubricants, the brand is different, there are other performance is good, but not suitable for high speed rotation.
So, the size of the bearing rotating faster than bearing the limit speed of 70% recorded in the table, to choose the excellent performance of grease, lubricating oil.
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