How Many Hours Does the Bearing Last?

Whatever is there will have a shelf life process, and the producer and user's purpose is to do not damage the goods as much as possible in the process of use, extend the life of the bearing under a certain load, bearings before the occurrence of pitting of the number of revolutions or hours, called bearing life.

The life of a rolling bearing is defined by the number of revolutions (or the number of hours at a certain speed): in the case of ntn bearing models and iko bearing models, bearings within this life should experience initial fatigue damage (stripping or defecting) on any of their bearing rings or rolling bodies. However, in both laboratory tests and in practical use, it is clear that bearings with the same appearance under the same operating conditions have very different actual life. There are also several different definitions of bearing "life", one of which is called "working life", which means that the actual life of the ntn bearing model and the iko bearing model can be achieved before the damage is caused by wear, damage is usually caused not by fatigue, but by wear, corrosion, seal damage, etc.

In order to determine the standard of bearing life, bearing life is linked to reliability.

Each item has a rated life, meaning that it can be used from the moment of production, bearings are no exception, and bearing rating life, due to manufacturing accuracy, material uniformity difference, even if the same material, the same size of the same batch of bearings, used under the same operating conditions, its life is not the same. If the statistical life is 1 unit, the longest relative life is 4 units, the shortest is 0.1-0.2 units, the ratio of the longest to the shortest life is 20-40 times. 90% of bearings do not produce pitting, and the number of revolutions or hours experienced is called bearing rating life.

In order to compare the carrying capacity of iko bearing corrosion resistance, the maximum load that can withstand the maximum load when the bearing is rated at one million revolutions (106) is the basic load rated, expressed in C.

That is, iko bearings in the rated dynamic load C, this bearing work one million revolutions (106) without pitting failure of the reliability of 90%, c the higher the carrying capacity.

Therefore, if you want the life of iko bearings to extend, in addition to the production of more consideration of material and design issues, in the carrying capacity should also be moderately considered.