20.20 Jul 30, 2026
ISO
ISO/TC 4/SC 7
International Standard
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.
PROJECT
ISO/WD 25994
20.20
Working draft (WD) study initiated
Jul 30, 2026