DIN ISO 281 Beiblatt 5:2011-10

National foreword
National Annex NA (informative) Bibliography
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Radial ball bearings
6 Thrust ball bearings
7 Radial roller bearings
8 Thrust roller bearings
9 Modified rating life
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.