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Design a central annular-groove pressure-fed bearing with an l_/d ratio
of 0.5, using SAE grade 20 oil, the lubricant supplied at 30 psig. The exterior oil cooler
can maintain the sump temperature at
120_F for heat dissipation rates up to 1500 Btu/h. The load to be
carried is 900 lbf at 3000 rev/min. The groove width is in.
Use nominal journal diameter d as one design variable and c
as the other. Use Trumplers criteria for your adequacy assessment.