Question

Question 3 (10 marks)-roller bearing A bearing is to be selected for a wood working machine application that is used 8 hours a day at 750 rpm. The radial load is 2kN. We intend to use SKF bearings that have rated life of I million revolutions. The application uses commercial gearing. The reliability goal is 0.90. For this bearing type, the Weibull parameters are xo-0,02,(0- xo)-4.439 and b 1.483. Find; a) Rating life required for the bearing b) C1o c) Xp d) Choose a deep grove bearing from the table 11-2 e) List four important parameters to consider when choosing a roller bearing

Answer 1

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