A 16-tooth pinion drives the double-reduction spur-gear
Chapter 11, Problem 11.37(choose chapter or problem)
A 16-tooth pinion drives the double-reduction spur-gear train in the figure. All gears have 25 pressure angles. The pinion rotates ccw at 1200 rev/min and transmits power to the gear train. The shaft has not yet been designed, but the free bodies have been generated. The shaft speeds are 1200 rev/min, 240 rev/min, and 80 rev/min. A bearing study is commencing with a 10-kh life and a gearbox bearing ensemble reliability of 0.99, assuming distribution data from manufacturer 2 in Table 116. An application factor of 1.2 is appropriate. For each shaft, specify a matched pair of 02-series cylindrical roller bearings from Table 113.
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