Reference number
ISO/TR 1281-2:2008
© ISO 2025
Technical Report
ISO/TR 1281-2:2008
Rolling bearings — Explanatory notes on ISO 281 — Part 2: Modified rating life calculation, based on a systems approach to fatigue stresses
Edition 1
2008-12
Technical Report
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Published (Edition 1, 2008)

ISO/TR 1281-2:2008

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Format
CHF 177
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Abstract

ISO 281:2007 introduced a life modification factor, aISO, based on a systems approach to life calculation, in addition to the life modification factor, a1.These factors are applied in the modified rating life equation, Lnm = a1aISOL10. The modification factor for reliability, a1, for a range of reliability values, is given in ISO 281:2007 as well as the method for evaluating the modification factor for systems approach, aISO. L10 is the basic rating life.

ISO/TR 1281-2:2008 gives supplementary background information regarding the derivation of a1 and aISO.

General information

  • Status
     : Published
    Publication date
     : 2008-12
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 47
  • Technical Committee :
    ISO/TC 4/SC 8
    ICS :
    21.100.20 
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