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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
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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

PUBLISH DATE 2008
ISO/TR 1281-2:2008

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.

SDO ISO: International Organization for Standardization
Document Number ISO/TR 1281
Publication Date Dec. 1, 2008
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 4/SC 8
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