Find the area of housing required to maintain the film temperature of a 76-mm-diameter × 114-mm-long, 120° central partial bearing at 74°C; speed = 900rpm and r/c = 1000. Room temperature is 38°C. Assume the housing temperature rises one-half as much as the oil film temperature. Cooling rate is 11.5 W/(m2 deg C). SAE 10 oil is used. Load is 0.686 MPa of the projected journal area.
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