Sketch h, for Problem 13.641313.65 In Sketch i the tension on the slack side of the left pulleyis 20% of that on the tight side. The shaft rotates at 1000rpm. Select a pair of deep-groove roller bearings to sup-port the shaft for 99% reliability and a life of 20,000 hr.Assume Eq. (13.83) can be used to account for lubricantcleanliness. All length dimensions are in millimeters.bZ020y200500.18710030°BTONE 500 diam800 N650 diam100 NSketch i, for Problem 13.65வ

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Answered: Sketch h, for Problem 13.64 13 13.65 In…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The design load on a ball bearing is 413 lbf and an application factor of 1.2 is appro- priate. The speed of the shaft is to be 300 rev/min, the life to be 30 kh with a reliability of 0.99. What is the C10 catalog entry to be sought (or exceeded) when searching for a deep-groove bearing in a manufacturer's catalog on the basis of 106 revolutions for rat- ing life? The Weibull parameters are xo = 0.02, (0 – xo) = 4.439, and b = 1.483. %3D
Note:- • Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. • Answer completely. • You will get up vote for sure.
Select a single-row, deep-groove ball bearing to carry 10000 N of radial load and a thrust load of 3500 N. The shaft will rotate at 750 rpm. The design life is to be 25000 hours. The bearing is to be mounted on a shaft with a minimum acceptable diameter of 37.5 mm. Design for 95% reliability.
Select an angular contact ball bearing to carry a radial load of 336lb at a shaft speed of 1800 rpm for 5500 hours. Anapplicationfactorof1.2isappropriate. Use a reliability of 96%.
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An 02-series, 15 mm bore, deep-groove ball bearings with a dynamic load rating of 7.80 kN has run continuously for 1,782 hours at a speed of 300 rpm and under a load of 1.5 kN. What is the remaining lifetime, in hours, at a reliability level of 90%?
Two single-row 02-series angular contact ball bearings with inner ring rotation are to be selected by a student for her Capstone project from Table 11-2 to support a radial load of 3.5 kN and axial load of 1.25 kN. The desired total machine reliability is 95%. The desired life of the bearings is 1 year of continuous operation in a machine operating at 900 rpm with light to moderate impact. Use the "manufacturer 2" Weibull values from Shigley Table 11-6 and equivalent radial load factors from Table 11-1. Fully specify the smallest bore size for these conditions.
Problem 5.2: An angular-contact, inner ring rotating, 02-series ball bearing is required for an application in which the life requirement is 40 kh at 520 rev/min. The design radial load is 725 lbf. The application factor is 1.4. The reliability goal is 0.90. Find the rating life X required and the catalog rating C10 from Table 11–2. Choose a bearing and estimate the existing reliability in service.
"II-1 The shaft shown in Figure P11-I was designed in Problem 10-1. For the data in the row(s) assigned from Table P11-1, and the corresponding diameter of shaft found in Problem 10-1, design suitable bearings to support the load for at least 7E7 cycles at 1500 rpm. State all assumptions. (a) Using hydrodynamically lubricated bronze sleeve bearings with Ox = 20, 1/d=1.25, and a clearance ratio of 0.001 5. assume bearings act as simple supports FIGURE P11-1 Shaft Design for Problem 11-1 11-2 The shaft shown in Figure P11-2 was designed in Problem 10-2. For the data in the row(s) assigned from Table P11-1, and the corresponding diameter of shaft found in Problem 10-2, design suitable bearings to support the load for at least 3E8 cycles at 2.500 rpm. State all assumptions. (a) Using hydrodynamically lubricated bronze sleeve bearings with ON=30, 1/d=1.0, and a clearance ratio of 0.002. FIGURE P11-2 Shaft Design for Problem 11-2 Table P11-1 Data for Problems assume bearings act as simple…
The load on an electric-motor bearing is 350 lb., radial; 16 hr. service, n = 1200 rpm; compressor drive; inner race stationary. Decide upon a deep groove ball bearing, giving its significant dimensions. Then compute the selected bearing’s 90 % life, and the probable percentage of failures that would occur during the design life. What is the approximate median life of this bearing?
For the geared countershaft with an overhanging pinion at C, the force on gear A is FA = 600 Ibf, and the shaft is to run at a speed of 420 rev/min. Consider an application factor of 1.2, a desired life of 40 kh, and combined reliability goal of 0.95 Select and specify the bearing required a) An angular contact ball bearing for mounting at O and b) A straight roller bearing for mounting at B Gear 3 24 dia. Gear 4 10 dia. 20
make a full design of shaft and bearings of problem 13.73 A shaft has the bearing reactions and axial load as shown in Sketch m. A single row cylindrical bearing and a single row deep-groove bearing are to be used to support the shaft. Indicate the location where the deep- groove and cylindrical bearings should be placed. Select bearings for this application if the desired L10 is 20,000 hours at 450 rpm. 5 kN 0.85 kl 0.4 m 0.4 m Sketch m, for Problem 13.73 1.8 kN

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