# ISO/TS 31657-3:2020 — Withdrawn and superseded ISO standards

For ISO/TS 31657-3:2020, item title is Plain bearings — Hydrodynamic plain journal bearings under steady-state conditions — Part 3: Functions for calculation of tilting pad journal bearings; status code is 9599; successor is ISO 31657-3:2025; withdrawn / published date is 2020-06-24, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TS 31657-3:2020 _(verified: appears in the quote below)_
- **Item title:** Plain bearings — Hydrodynamic plain journal bearings under steady-state conditions — Part 3: Functions for calculation of tilting pad journal bearings _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 31657-3:2025
- **Withdrawn / published date:** 2020-06-24 _(verified: appears in the quote below)_

## What the source says

> 78794,TS,,ISO/TS 31657-3:2020,Plain bearings — Hydrodynamic plain journal bearings under steady-state conditions — Part 3: Functions for calculation of tilting pad journal bearings,Paliers lisses — Paliers lisses hydrodynamiques radiaux fonctionnant en régime stabilisé — Partie 3: Fonctions pour le calcul des paliers radiaux à patins oscillants,2020-06-24,1,['21.100.10'],ISO/TC 123/SC 8,9599,,[88999],['en'],73,"<p>This document specifies the characteristic values for selected tilting-pad journal bearings with four or five centrally or eccentrically supported tilting pads and with angular spans of pad sliding surfaces of <i>Ω</i> = 80°, 60° and 45°.</p><p>The functions plotted and listed in t

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).