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A Petroff bearing 100 mm in diameter and 150 mm long has a radial clearance of 0.05 mm. It rotates at 1200 rpm and

A Petroff bearing 100 mm in diameter and 150 mm long has a radial clearance of 0.05 mm. It rotates at 1200 rpm and is lubricated with SAE 10 oil at 170F. Estimate the power loss and the friction torque. D = 100 mm R = 50 mm c= 0.05 mm -L- 150 mm- SAE 10 Oil Tavg = 170F n = 1200 rpm

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