BS ISO 281:2007
Current
The latest, up-to-date edition.
Rolling bearings. Dynamic load ratings and rating life
Hardcopy , PDF
English
30-05-2008
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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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