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Norm

ÖNORM ISO/TS 16281

Issue date: 2017 06 15

Rolling bearings - Methods for calculating the modified reference rating life for universally loaded bearings (ISO/TS 16281:2008 + Cor 1:2009) (consolidated version)

This Technical Specification contains recommendations for the calculation of the modified reference rating life taking into consideration lubrication, contamination and f...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 39 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
This Technical Specification contains recommendations for the calculation of the modified reference rating life taking into consideration lubrication, contamination and fatigue load limit of the bearing material, as well as tilting or misalignment, operating clearance of the bearing and internal load distribution on rolling elements. The calculation method provided in this Technical Specification covers influencing parameters additional to those described in ISO 281. The directions and limitations given in ISO 281 apply to this Technical Specification. The calculation methods pertain to the fatigue life of the bearings. Other mechanisms of failure, like wear or microspalling (gray staining), lie outside the scope of this Technical Specification. This Technical Specification applies to tilted single-row radial ball bearings, subjected to radial and axial load and with radial clearance and tilt taken into account. It also applies to tilted single-row roller bearings, subjected to pure radial load and with radial clearance, edge stress and tilt taken into account. References to methods for the analysis of the internal load distribution under general load are given. The analysis of internal load distribution and modified reference rating life for multi-row bearings or bearings of a more complex geometry can be derived from the equations given in this Technical Specification. For these bearings, the load distribution for each individual row has to be considered. This Technical Specification is primarily intended to be used for computer programs and together with ISO 281 covers the information needed for life calculations. For accurate life calculations under the operating conditions specified above, it is recommended that either this Technical Specification or advanced computer calculations provided by bearing manufacturers, for determining the dynamic equivalent reference load under different loading conditions, be used.
ÖNORM ISO/TS 16281
2017 06 15
Rolling bearings - Methods for calculating the modified reference rating life for universally loaded...
Norm
Norm
ISO 281:2007
Issue date : 2007 02 22
Rolling bearings — Dynamic load ratings and rating life
Norm
ISO 15241:2012
Issue date : 2012 06 19
Rolling bearings — Symbols for physical quantities