NSK bearing speed limit target

Source: China Bearing Network Time: 2018-06-23

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Usually there is a speed limit in the NSK bearing type table; what does it mean in detail?
The professor pointed out that when the NSK bearing exceeds a certain working speed, the internal heat that cannot be controlled will occur at the beginning.
The speed limit varies with the NSK bearing type, dimensions, smoothing system, NSK bearing internal depiction, and operating load. Others; the speed limit will vary depending on the type of NSK bearing seal used (depending on the speed of the seal contact zone).
The term "speed limit" usually refers to the speed of measurement; the number of revolutions per minute; at this speed the NSK bearing will adhere to the applicable condition.
Usually the scale table will give the ultimate speed of grease smoothness and oil smoothness. This value is installed on the horizontal axis; suitable smooth operation; light load NSK bearing is the base.

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