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then Cr = e + Hm
where e is the eccentricity between the shaft and bearing centreline and Hm is the minimum clearance (oil film thickness)
an eccentricity factor can be calculated from
n = e / Cr
Factors involved with the eccentricity factor n are; minimum oil film
thickness, journal attitude angle, pressure distribution, peak pressure
angle, friction, horsepower loss and oil flow through the loaded region.
The latter three determine the temperature of the bearing which for
high speed bearings can be a limiting factor.
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