ISO 12129-2:2019

Plain bearings — Tolerances — Part 2: Tolerances on form and position and surface roughness for shafts and thrust collars

Publication date: Apr 24, 2019

General information

Current stage: 90.93 Effective date: Dec 17, 2025

Originator: ISO

Owner: ISO/TC 123/SC 3

Type: International Standard

ICS: 21.100.10

Languages: English

Buying

Status: Published

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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

WITHDRAWN
ISO 12129-2:1995

NOW

PUBLISHED
ISO 12129-2:2019
90.93 Standard confirmed
Dec 17, 2025

REVISED BY

ABANDON
ISO/CD 12129-2