ISO 7902-3:2020
Hydrodynamic plain journal bearings under steady-state conditions — Circular cylindrical bearings — Part 3: Permissible operational parameters
This document specifies empirical permissible values for hlim, Tlim and .
The empirical values stated can be modified for certain applications, for example if information supplied by the manufacturer is to be taken into account. The descriptions of the symbols and calculation examples are given in ISO 7902-1.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Operational parameters to avoid wear
5.1 Minimum permissible lubrication film thickness
5.2 Effective waviness and maximum permissible effective waviness
6 Operational parameters to avoid excessive mechanical loading
7 Operational parameters to avoid excessive thermal loading
8 Operational parameters for the bearing clearance
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Operational parameters to avoid wear
5.1 Minimum permissible lubrication film thickness
5.2 Effective waviness and maximum permissible effective waviness
6 Operational parameters to avoid excessive mechanical loading
7 Operational parameters to avoid excessive thermal loading
8 Operational parameters for the bearing clearance
Bibliography