1974-02-01

Influence of Lubrication System Variables on Sleeve Bearing Performance 740517

Long bearing life is contingent upon maintaining three key parameters within acceptable limits-bearing back temperature, minimum oil film thickness, and peak oil film pressure. How these parameters are affected by such lubricant considerations as oil flow, oil cleanliness, viscosity, sump temperature, and oxidation resistance is described. The paper then examines the mechanical properties required in a sleeve bearing material and the critical factors in the geometric design of the bearing. Finally, the housing into which the shell fits and the shaft which the bearing supports are considered.
General rules and standards for optimizing bearing life are presented, as is an Appendix consisting of a bearing “failure handbook.”

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