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STANDARD 12168-1
First edition
2001-12-15
Plain bearings — Hydrostatic plain journal
bearings without drainage grooves under
steady-state conditions —
Part 1:
Calculation of oil-lubricated plain journal
bearings without drainage grooves
Paliers lisses — Paliers lisses radiaux hydrostatiques sans rainure
d'écoulement fonctionnant en régime stationnaire —
Partie 1: Calcul pour la lubrification des paliers lisses radiaux sans rainure
d'écoulement
Reference number
ISO 12168-1:2001(E)
©
ISO 2001
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ISO 12168-1:2001(E)
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ISO 12168-1:2001(E)
Contents Page
Foreword.iv
Introduction.v
1 Scope .1
2 Normative references.1
3 Bases of calculation and boundary conditions.1
4 Symbols, terms and units.3
5 Method of calculation.5
5.1 General.5
5.2 Load-carrying capacity .6
5.3 Lubricant flow rate and pumping power .7
5.4 Frictional power .8
5.5 Optimization .9
5.6 Temperatures and viscosities .10
5.7 Minimum pressure in recesses .11
Annex A (normative) Description of the approximation method for the calculation of hydrostatic plain
journal bearings.12
Annex B (normative) Examples of calculation.22
Bibliography.31
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