ISO 7902-3:1998 Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings - Part 3: Permissible operational parameters

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International Standard ISO 7902-3 was prepared by Technical Committee ISO/TC 123, Plain bearings, Subcommittee SC 4, Methods of calculation of plain bearings.
ISO 7902 consists of the following parts, under the general title Hydrodynamic plain journal bearings under steady-state conditions — Circular cylindrical bearings:
— Part 1: Calculation procedure
— Part 2: Functions used in the calculation procedure
— Part 3: Permissible operational parameters
Annex A of this part of ISO 7902 is for information only.In order to attain sufficient operational reliability of circular cylindrical plain journal bearings when calculated in accordance with ISO 7902-1, it is essential that the calculated operational parameters hmin, TB or Tex and mml_m1 do not lie above or below the permissible operational parameters hlim, Tlim and mml_m2. The permissible parameters represent geometrically and technologically dependent operational limits within the plain bearing tribological system. They are empirical values which still enable sufficient operational reliability even for minor influences (see ISO 7902-1).
1 ScopeThis part of ISO 7902 specifies empirical permissible values for hlim, Tlim and mml_m3.
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.
2 Normative referenceThe following standard contains provisions which, through reference in this text, constitute provisions of this part of ISO 7902. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this part of ISO 7902 are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain registers of currently valid International Standards.
ISO 7902-1:1998, Hydrodynamic plain journal bearings under steady-state conditions — Circular cylindrical bearings — Part 1: Calculation procedure.