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 ISO 31657-4:2025

Publication date:   Oct 16, 2025

General information

60.60   Standard published   Oct 16, 2025

ISO

ISO/TC 123/SC 8 Calculation methods for plain bearings and their applications

International Standard

21.100.10   Plain bearings

Buying

Published

Language in which you want to receive the document.

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WITHDRAWN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




Access Genorma App Everywhere

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.