Cylindrical Roller Bearings

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NJ1005EM Bearing

Support a series of cylindrical roller bearings: NU,NJ,N,NF,NN series etc. Just contact me if you have the interest

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Product Details

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d

25mm


D

47mm


B

12mm


m

0.092kg


Cr

15.1KN

Basic dynamic load rating

Cor

14.1KN

Basic dynamic load rating

Grease RPM

16000 1/min


Oil RPM

19000 1/min


Cage

Brass cage


Material

chrome steel


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Support a series of cylindrical roller bearings: NU,NJ,N,NF,NN series etc. 

                         Just contact me if you have the interest

                                       图片3.png

Life of bearings:
Under a certain load, the number of rotations or hours that the bearing undergoes before pitting is called bearing life.
The life of a rolling bearing is defined as the number of revolutions (or hours of work at a given speed): bearings within this life shall suffer initial fatigue damage (spalling or defect) on any bearing ring or roller. However, no matter in the laboratory test or in the actual use, it can be clearly seen that under the same working conditions, the appearance of the same bearing, the actual life is very different. In addition, there are several different definitions of bearing "life", one of which is called "working life", which means that the actual life of a bearing before it is damaged is caused by wear and tear, usually not by fatigue, but by wear, corrosion, seal damage and other reasons.


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