Modified service life
Ball bearings. Calculations Life duration

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Modified service life


Ball bearings. Calculations Life duration

Author : Pascal GUAY

Publication date: January 10, 2025 | Lire en français

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2. Modified service life

The standard NF ISO 281 defines correction coefficients which enable the calculation of predicted theoretical service life to be refined according to actual conditions of use.

The modified life L m is expressed as follows :

L m=a1qisoL
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