A full journal bearing is 16 mm long. The journal shaft has a diameter of 32 mm with a unilateral tolerance of 0.012mm. The bushing bore has a diameter of 32.05 mm with a unilateral tolerance of 0.012 mm. The load is 1.2 kn, the journal speed is 1200 rev/min and the operating temperature is 65c. If you assume all lubricant losses are due to side flow, determine the most cost-effective lubricant based on the individual costs below. (where 1 gal = 3.78 x 106 mm3) sae30 - $420.99 for a 55 gal drum sae50 - $489.98 for a 55 gal drum
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