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Solved: An outer hub rotates around a stationary shaft,

Mechanical Engineering Design | 10th Edition | ISBN: 9780073398204 | Authors: Richard Budynas ISBN: 9780073398204 115

Solution for problem 11-43 Chapter 11

Mechanical Engineering Design | 10th Edition

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Mechanical Engineering Design | 10th Edition | ISBN: 9780073398204 | Authors: Richard Budynas

Mechanical Engineering Design | 10th Edition

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Problem 11-43

An outer hub rotates around a stationary shaft, supported by two tapered roller bearings asshown in Fig. 1123. The device is to operate at 250 rev/min, 8 hours per day, 5 days per week,for 5 years, before bearing replacement is necessary. A reliability of 90 percent on each bearingis acceptable. A free body analysis determines the radial force carried by the upper bearingto be 12 kN and the radial force at the lower bearing to be 25 kN. In addition, the outer hubapplies a downward force of 5 kN. Assuming bearings are available from manufacturer 1 inTable 116 with K 5 1.5, find the required radial rating for each bearing. Assume an applicationfactor of 1.2.

Step-by-Step Solution:
Step 1 of 3

BJT Amplifiers ▯ 1 ▯= = ▯ 26 ▯ = = 2.6Ω ▯ = ▯= 100Ω ▯ ▯ ▯▯▯ = − ( ∥ ) ▯ ▯ ▯ ▯ ▯ ▯▯ = ▯▯ ▯▯ + ▯▯ = ∥ = 722Ω ▯▯ ▯▯ ▯

Step 2 of 3

Chapter 11, Problem 11-43 is Solved
Step 3 of 3

Textbook: Mechanical Engineering Design
Edition: 10
Author: Richard Budynas
ISBN: 9780073398204

Mechanical Engineering Design was written by and is associated to the ISBN: 9780073398204. The answer to “An outer hub rotates around a stationary shaft, supported by two tapered roller bearings asshown in Fig. 1123. The device is to operate at 250 rev/min, 8 hours per day, 5 days per week,for 5 years, before bearing replacement is necessary. A reliability of 90 percent on each bearingis acceptable. A free body analysis determines the radial force carried by the upper bearingto be 12 kN and the radial force at the lower bearing to be 25 kN. In addition, the outer hubapplies a downward force of 5 kN. Assuming bearings are available from manufacturer 1 inTable 116 with K 5 1.5, find the required radial rating for each bearing. Assume an applicationfactor of 1.2.” is broken down into a number of easy to follow steps, and 115 words. This full solution covers the following key subjects: . This expansive textbook survival guide covers 20 chapters, and 1995 solutions. This textbook survival guide was created for the textbook: Mechanical Engineering Design, edition: 10. The full step-by-step solution to problem: 11-43 from chapter: 11 was answered by , our top Engineering and Tech solution expert on 09/29/17, 04:41PM. Since the solution to 11-43 from 11 chapter was answered, more than 304 students have viewed the full step-by-step answer.

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Solved: An outer hub rotates around a stationary shaft,