12–9 Steady-State Conditions in Self-Contained Bearings
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Module
Machine Component Design
Institution
Universiti Malaysia Perlis
Book
Shigley\'s Mechanical Engineering Design
12–9 Steady-State Conditions in Self-Contained Bearings
All contents are taken from Shigley's Mechanical Engineering Design by J. Keith Nisbeth and Richard G. Budynas Students can see the full video at youtube by typing: 12–9 Steady-State Conditions in Self-Contained Bearings
12–9 STEADY-STATE
CONDITIONS IN SELF-
CONTAINED BEARINGS
, Case in which the lubricant carries away al
of the enthalpy
◦ The case in which the lubricant carries away all of the enthalpy increase from the journal-bushing pair has
already been discussed. Bearings in which the warm lubricant stays within the bearing housing will now be
addressed. These bearings are called self-contained bearings because the lubricant sump is within the bearin
housing and the lubricant is cooled within the housing. These bearings are described as pillowblock or pede
bearings. They find use on fans, blowers, pumps, and motors, for example. Integral to design considerations fo
these bearings is dissipating heat from the bearing housing to the surroundings at the same rate that enthalp
is being generated within the fluid film.
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