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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

Oct 16, 2025

General information

60.60     Oct 16, 2025

ISO

ISO/TC 123/SC 8

International Standard

21.100.10  

English  

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Published

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Scope

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

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/TS 31657-4:2020

NOW

PUBLISHED
ISO 31657-4:2025
60.60 Standard published
Oct 16, 2025