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1. |
Find the dynamic load-carrying capacity of a roller bearing if the shaft rotates at 1500 rpm, the radial load acting on the bearing is 6 kN and the expected life for 90% life of the bearing is 8100 hours. |
A. | 6 kN |
B. | 44 kN |
C. | 54000 kN |
D. | 60000 kN |
Answer» C. 54000 kN | |