A 360° pressure-lubricated bearing with a central groove is 4 in. in diameter × 4 in. long (l′ = 2 in.), r/c = 1000; P = 300 psi projected area, n = 900 rpm. SAE 20 oil is used. C3 = 0.5. For an inlet temperature of 100°F and an outlet temperature of 220°F, find the value of the frictional heat carried away by the oil.
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