pv diagram for steel/steel sliding contact surface combination
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| pv operating ranges: | ||
| I | Range where rating life equation is valid | |
| II | Quasi-static range; before using the rating life equation, contact the SKF application engineering service | |
| III | Possible range of use, e.g. with very good lubrication; before using the rating life equation, contact the SKF application engineering service for additional information | |
| IV | Extended range where rating life equation is valid provided the load is exclusively alternating | |
