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ISO/AWI 25994

Spherical plain bearings — Self-lubricating bearings of PTFE fabric liner type

General information

20.00     Nov 18, 2025

ISO

ISO/TC 4/SC 7

International Standard

Scope

This document specifies boundary dimensions, tolerances, internal clearances, and other technical requirements for self-lubricating spherical plain bearings of PTFE fabric liner type. Three types of these bearings are included as below:
1) self-lubricating radial spherical plain bearings only with split outer ring;
2) self-lubricating angular contact spherical plain bearings;
3) self-lubricating thrust spherical plain bearings.

Life cycle

NOW

PROJECT
ISO/AWI 25994
20.00 New project registered in TC/SC work programme
Nov 18, 2025