Usually under certain loads, INA bearings in the event before pitting experienced revolutions or hours, known as the bearing life.
Due to manufacturing precision, uniformity of material differences, even if it is the same materials, the same size with the same bearings, used under the same conditions of work, their life expectancy is not the same. If the statistical life expectancy of 1 unit, the longest life expectancy is 4 units, minimum of 0.1-0.2 units, the longest and the shortest life expectancy for 20-40 times.
INA bearing dynamic load rating of the bearing calculation method
INA bearing capacity of bearing resistance to pitting, bearing rating life is under 1 million (106), able to withstand the maximum load for the basic dynamic load rating, expressed in c.
Is INA bearings under dynamic load rating c, this bearing 1 million (106) without pitting failure of higher reliability for bearing capacity of large 90%,C.
Rapid method for calculating bearing life of INA bearing is experienced in the bearing appears before pitting records the number of revolutions or hours clear, such a calculation method is the most accurate.


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