BS ISO 7902-1:2020 PDF

Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings - Calculation procedure

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BS ISO 7902-1:2020

Hydrodynamic plain journal bearings under steady-state conditions. Circular cylindrical bearings - Calculation procedure

Статус документа:: Отменён
Формат:: Электронный (PDF)
Дата публикации:: 31 июля 2020 г.
ICS:: 21.100.10
SKU:: BS ISO 7902-1:2020

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Abstract

What is ISO 7902 ‑ 1 standard about?

ISO 7902 ‑ 1 is the first part of a series of documents on cylindrical bearings. ISO 7902 ‑ 1 specifies a calculation procedure for oil-lubricated hydrodynamic plain bearings, with complete separation of the shaft and bearing sliding surfaces by a film of lubricant, used for designing plain bearings that are reliable in operation. ISO 7902 ‑ 1 deals with circular cylindrical bearings having angular spans, Ω, of 360°, 180°, 150°, 120°, and 90°, the arc segment being loaded centrally. Their clearance geometry is constant except for negligible deformations resulting from lubricant film pressure and temperature. The calculation procedure serves to provide dimensions and optimize plain bearings in turbines, generators, electric motors, gear units, rolling mills, pumps, and other machines. It is limited to steady-state operation, i.e. under continuously driven operating conditions, with the magnitude and direction of loading as well as the angular speeds of all rotating par...

BS ISO 7902-1:2020 PDF

Abstract

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Abstract

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