ISO/CD 12129-2.2

Plain bearings — Tolerances — Part 2: Tolerances on form and position and surface roughness for shafts and thrust collars ISO/CD 12129-2.2

General information

30.99   CD approved for registration as DIS   Sep 29, 2026

ISO

ISO/TC 123/SC 3 Dimensions, tolerances and construction details

International Standard

Scope

This document specifies tolerances on form and position as well as the surface roughness of shafts, flanges and thrust collars as used in plain bearing units. It is applicable to journal or thrust plain bearing units or to a combination of both, installed either horizontally or vertically.
This document is not applicable to crankshaft bearing units in combustion engines.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 12129-2:2019

NOW

IN_DEVELOPMENT
ISO/CD 12129-2.2
30.99 CD approved for registration as DIS
Sep 29, 2026




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