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(Solved): QUESTION TEN A journal bearing has to be designed to support a radial load of 1280 N which is placed ...



QUESTION TEN A journal bearing has to be designed to support a radial load of 1280 N which is placed on a shaft of 96 mm diameter. The shaft rotates at 1800 rpm and its eccentricity is 0.038 mm . The desired temperature rise of the lubricant is to be 10\deg C. As the bearing will be well cooled, it may be assumed that 70% of the heat generated will be convected by the oil. Design the bearing by determining its performance characteristics if the following parameters are given: L=0.102;c=5.1\times 10^(-5)m;\mu =4.1\times 10^(-2)Nsm^(-2); Specific heat =1800(J)/(K)g^(0)C; density =880K(g)/(m^(3))


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