The rolling contact ball bearing are to be selected to support the overhung countershaft. The shaft speed is 820rpm. The bearings are to have 99% reliability corresponding to a life of 19,000 hours. The bearing is subjected to an equivalent radial load of 2 kN. Determine the basic dynamic load rating of the bearing in kN from manufacturer's catalogue, specified at 90% reliability. Hint: Get the life of the bearing corresponding to 99% reliability first using L = 60NLH

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Q: What is the expected life

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A: For solution refer below images.

Q: Select an angular contact ball bearing to carry a radial load of (336+ID) lb at a shaft speed of…

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Q: An overhung countershaft is supported by rolling contact ball bearing. The shaft speed is 790 r.p.m.…

A: Answer: Option C i.e., 1.9x109 rev. A detailed explanation is available below. Given data:  The…

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A: Given Data P=8219 N n=3.33 L10=798

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A: This question is of Machine design Subject.

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A: Given: The shaft is subjected to radial force of Fr=8 kN and axial force of Fa=3 kN. The values of…

Q: A large number of deep-groove ball bearings have been operating at 26% of their dynamic load rating…

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Q: A 02-series deep - groove ball bearing is to be selected to carry a radial load of 8 kN and a thrust…

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A: Given   Speed, N = 2000 rpm      Load, P = 8 kN               C = 10 kN Find   Rated life, L

Q: (a) Check and interpret whether it is selected correctly for Lh=20000 hours. (b) Calculate the…

A: For solution refer below images.