ISO 31657-1:2025

Published (Edition 1, 2025)

ISO 31657-1:2025

CHF 181

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Abstract

This document specifies the general principles, assumptions and preconditions for the calculation of multi-lobed and tilting-pad journal bearings by means of an easy-to-use calculation procedure based on numerous simplifying assumptions.

The calculation method applies to the design and optimisation of plain bearings, for example in turbines, compressors, generators, electric motors, gears and pumps. It is restricted to steady-state operation, i.e. in continuous operating states the load according to size and direction and the angular velocity of the rotor are constant.

General information

Status
: Published

Publication date
: 2025-10

Stage
: International Standard published [60.60]
Edition
: 1

Number of pages
: 38
Technical Committee :
ISO/TC 123/SC 8

ICS :
21.100.10
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