International Standard
ISO 31657-4:2025
Plain bearings — Hydrodynamic plain journal bearings under steady-state conditions — Part 4: Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings
Reference number
ISO 31657-4:2025
Edition 1
2025-10
© ISO 2026
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Published (Edition 1, 2025)

ISO 31657-4:2025

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Format
CHF 44
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Abstract

This document establishes the permissible operational parameters in terms of guide values for the calculation of selected multi-lobed and tilting-pad journal bearings.

General information

  • Status
     : Published
    Publication date
     : 2025-10
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 123/SC 8
    ICS :
    21.100.10 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

7
Affordable and Clean Energy
9
Industry, Innovation and Infrastructure

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  4. ICS
  5. 21
  6. 21.100
  7. 21.100.10
  8. ISO 31657-4:2025