A 100 mm long and 60 mm diameter journal bearing supports a load of 2500 N at 600 r.p.m. If the room temperature is 20°C, what should be the viscosity of oil to limit the bearing surface temperature to 60°C? The diametral clearance is 0.06 mm and the energy dissipation coefficient based on projected area of bearing is 210 W/m2/°C.
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The diametral clearance is 0.06 mm and the energy dissipation coefficient based on projected area of bearing is 210 W/m2/°C.
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