bearing
Bearing is an important part of modern mechanical equipment. Its main function is to support the mechanical rotating body, reduce its friction coefficient in the process of motion, and ensure its rotation accuracy.
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Non-standard bearing manufacturing rated life basic dynamic load rating and how to calculate
by：Waxing
2020-11-15
Non-standard bearing manufacturing rated life basic dynamic load rating and how to calculate the source: bearing | last updated: - 2020
07 -
22 non-standard bearing rated life due to the manufacturing precision, material uniformity degree of difference, even the same material, same size with a batch of bearings, under the same working conditions, its lifespan is not the same.
Life if the statistics for 1 unit, the longest relative life is 4 units, the shortest is 0.
1 -
0.
2 units, the ratio of the longest and the shortest life expectancy of 20 -
40 times.
90% of the bearings do not produce pitting, experienced revolutions or hours called bearing rated life.
Non-standard bearing the basic dynamic load rating to compare the bearing of the bearing capacity of the pitting, regulations bearing rated life expectancy of one million RPM (
106).
, can withstand the maximum load as the basic dynamic load rating, expressed as a C.
Is the bearing under the dynamic load rating C, this kind of bearing one million RPM (
106).
Pitting failure does not occur and reliability was 90%, the greater the C higher bearing capacity.
Angular contact bearing is refers to produce pure radial displacement of the radial component
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