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BS ISO 281:2007

Current
Current

The latest, up-to-date edition.

Rolling bearings. Dynamic load ratings and rating life
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-30-2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Radial ball bearings
  5.1 Basic dynamic radial load rating
  5.2 Dynamic equivalent radial load
  5.3 Basic rating life
6 Thrust ball bearings
  6.1 Basic dynamic axial load rating
  6.2 Dynamic equivalent axial load
  6.3 Basic rating life
7 Radial roller bearings
  7.1 Basic dynamic radial load rating
  7.2 Dynamic equivalent radial load
  7.3 Basic rating life
8 Thrust roller bearings
  8.1 Basic dynamic axial load rating
  8.2 Dynamic equivalent axial load
  8.3 Basic rating life
9 Modified rating life
  9.1 General
  9.2 Life modification factor for reliability
  9.3 Life modification factor for systems approach
Annex A (informative) - Detailed method for estimating the
                        contamination factor
Annex B (informative) - Calculation of the fatigue load limit
Annex C (informative) - Discontinuities in the calculation of
                        basic dynamic load ratings
Bibliography

Describes methods of calculating the basic dynamic load rating of rolling bearings within the size ranges shown in the relevant ISO publications, manufactured from contemporary, commonly used, high quality hardened bearing steel, in accordance with good manufacturing practice and basically of conventional design as regards the shape of rolling contact surfaces.

Committee
MCE/7
DevelopmentNote
Supersedes BS 5512(1991), BS ISO/TS 16799 and 05/30129166 DC. (03/2007)
DocumentType
Standard
Pages
60
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 281:2007 Identical

ISO 5593:1997 Rolling bearings Vocabulary
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
ISO 11171:2016 Hydraulic fluid power Calibration of automatic particle counters for liquids
ISO/TR 8646:1985 Explanatory notes on ISO 281/1-1977
ISO 15241:2012 Rolling bearings — Symbols for physical quantities
ISO 16889:2008 Hydraulic fluid power Filters Multi-pass method for evaluating filtration performance of a filter element
ISO 76:2006 Rolling bearings Static load ratings
ISO/TS 16281:2008 Rolling bearings Methods for calculating the modified reference rating life for universally loaded bearings

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