International Standard
ISO 31657-1:2025
Plain bearings — Hydrodynamic plain journal bearings under steady-state conditions — Part 1: Calculation of multi-lobed and tilting pad journal bearings
Reference number
ISO 31657-1:2025
Edition 1
2025-10
Preview
ISO 31657-1:2025
88997
Indisponible en français
Publiée (Edition 1, 2025)

ISO 31657-1:2025

ISO 31657-1:2025
88997
Langue
Format
CHF 181

Résumé

This document specifies the general principles, assumptions and preconditions for the calculation of multi-lobed and tilting-pad journal bearings by means of an easy-to-use calculation procedure based on numerous simplifying assumptions.

The calculation method applies to the design and optimisation of plain bearings, for example in turbines, compressors, generators, electric motors, gears and pumps. It is restricted to steady-state operation, i.e. in continuous operating states the load according to size and direction and the angular velocity of the rotor are constant.

Informations générales

  •  : Publiée
     : 2025-10
    : Norme internationale publiée [60.60]
  •  : 1
  • ISO/TC 123/SC 8
    21.100.10 
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