05/30129166 DC : DRAFT OCT 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
30-03-2007
23-11-2012
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
Annex A (informative) Detailed method for estimating
the contamination factor
A.1 General
A.2 Symbols
A.3 Conditions for the selection of diagrams and
equations for different lubricating methods
A.4 Contamination factor e[C] for circulating oil
lubrication with on-line filters
A.5 Contamination factor e[C] for oil lubrication
without filtration or with off-line filters
A.6 Contamination factor e[C] for grease lubrication
Annex B (informative) Calculation of the fatigue load limit
B.1 General
B.2 Symbols
B.3 Fatigue load limit, C[u]
Annex C (informative) Discontinuities in the calculation of
basic dynamic load ratings
C.1 General
C.2 Symbols
C.3 Different factors for calculating load rating and
equivalent load for radial and thrust angular
contact ball bearings
C.4 Comparison of adjusted basic dynamic axial load
ratings C[ar] and C[aa] for radial and thrust
angular contact ball bearings
C.5 Examples
Bibliography
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