Research Papers

Analysis and Characteristics of the Three-Lobe Bearing

[+] Author and Article Information
O. Pinkus

General Electric Company, West Lynn, Mass.

J. Basic Eng 81(1), 49-55 (Mar 01, 1959) (7 pages) doi:10.1115/1.4008359 History: Received July 01, 1958; Published March 01, 1959; Online February 20, 2019


An analytical solution of 3-lobe journal bearings is offered based on the solution of the finite Reynolds equation. Expressions for eccentricity, lubricant flow, power loss, and spring constant are given for a range of L/D ratios and ellipticities. The bearing is shown to be of superior quality both in its stability characteristics and in its hydrodynamic performance. Charts and equations for setting design requirements and calculating performance are given in simple convenient form.

Copyright © 1959 by ASME
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