In any rotating machinery system, the bearing has traditionally
been a crit ical member of the entire system, since it is the
component that permits the relative motion between the stationary
and moving parts. Depending on the application, a number of
different bearing types have been used, such as oil-lubricated
hydrodynamic bearings, gas bearings, magnetic suspensions, rolling
element bearings, etc. Hydrodynamic bearings can provide any
desired load support, but they are limited in stiffness and the
associated power loss may be quite large. Gas bearings are used for
high-precision applications where the supported loads are
relatively light, bearing power losses are very low, and the
rotating speeds generally high. For super precision components
where no frictional dissipation or bearing power loss can be
tolerated, magnetic suspensions are employed; again, the load
support requirements are very low. Rolling element bearings have
been widely used for those applications that require greater
bearing versatility, due to the requirements for high-load and
high-stiffness characteristics, while allowing moderate power loss
and permitting variable speeds. A study of the dynamic interaction
of rolling elements is, therefore, the subject of this text. Texts
covering the analysis and design methodology of rolling elements
are very limited. Notable works include Analysis of Stresses and
Deflections (Jones, 1946, Vols. I and II), Ball and Roller
Bearings, Their Theory, Design and Application (Eschmann,
Hasbargen, and Weigand, 1958), Ball and Roller Bearing Engineering
(Palmgren, 1959, 3rd ed. ), Advanced Bearing Technology (Bisson and
Anderson, 1965), and Rolling Bearing Analysis (Harris, 1966)."
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