Design a central annular-groove pressure-fed bearing with

Chapter 12, Problem 12.18

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Design a central annular-groove pressure-fed bearing with an l9yd 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 120F 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 1 4 in. Use nominal journal diameter d as one design variable and c as the other. Use Trumplers criteria for your adequacy assessment.

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