Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
10th Edition
ISBN: 9780073398204
Author: Richard G Budynas, Keith J Nisbett
Publisher: McGraw-Hill Education
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Chapter 12, Problem 23P
To determine
The selection of an oiles SP
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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.
Answer this ASAP plz
A double row angular contact ball bearing is used in the engine compressor to accept radial loads of 6000 N and axial loads of 3000 N, operating at 2400 rpm for an average life of 7 years at 8 hours per day. Assume that the shock load is light. Select the appropriate bearing number. Note: the equivalent dynamic load is the dynamic equivalent radial load times the service factor.
mm.
Chapter 12 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
Ch. 12 - A full journal bearing has a journal diameter of...Ch. 12 - A full journal bearing has a journal diameter of...Ch. 12 - A journal bearing has a journal diameter of 3.000...Ch. 12 - Prob. 4PCh. 12 - Prob. 5PCh. 12 - Prob. 6PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - A full journal bearing is 28 mm long. The shaft...Ch. 12 - A 114114 in sleeve bearing supports a load of 700...
Ch. 12 - A full journal bearing has a shaft diameter of...Ch. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - A natural-circulation pillow-block bearing with...Ch. 12 - An eight-cylinder diesel engine has a front main...Ch. 12 - A pressure-fed bearing has a journal diameter of...Ch. 12 - Design a central annular-groove pressure-fed...Ch. 12 - Repeat design problem Prob. 1218 using the nominal...Ch. 12 - Table 12-1 gives the Seireg and Dandage curve fit...Ch. 12 - For Prob. 1218 a satisfactory design is...Ch. 12 - An Oiles SP 500 alloy brass bushing is 0.75 in...Ch. 12 - Prob. 23P
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- b) Design a single row deep groove ball bearing with basic dynamic load rating of 33 KN to be used in a turbine to carry a radial load of 1584 N. The expected life of the bearing is 5591 hours at 529 rpm. Take k=3 for all types of ball bearings. Take the value of the shock load factor as 1.8. The radial and axial load factors are 1.3 and 1.6 respectively and the rotational factor is 1. Calculate: i) Expected life of bearings in millions of revolutions ii) Design equivalent dynamic load in N iii) Basic equivalent dynamic load in N iv) Axial load acting on the bearing in Narrow_forwardDesign a single row deep groove ball bearing with basic dynamic load rating of 33 KN to be used in a turbine to carry a radial load of 1612 N. The expected life of the bearing is 5400 hours at 501 rpm. Take k=3 for all types of ball bearings. Take the value of the shock load factor as 1.8. The radial and axial load factors are 1.3 and 1.6 respectively and the rotational factor is 1. Calculate: i) Expected life of bearings in millions of revolutions ii) Design equivalent dynamic load in N iii) Basic equivalent dynamic load in N iv) Axial load acting on the bearing in Narrow_forwardConsider the belt drive having a diameter of 150 mm that is mounted on the overhung end of ashaft, 30 mm from the nearest bearing. The stepped shaft is made of steel having Su = 965 MPa(140 ksi). The shaft diameter, d, is 30 mm. The bearing bore, D, is 36 mm. The fillet with amachined surface has a radius, r, of 3 mm. What is the safety factor with respect to eventualfatigue failure of the shaft?arrow_forward
- A 02-series single-row deep-groove ball bearing is to be selected from Table 11–2 for the application conditions specified in the table. Assume Table 11–1 is applicable if needed. The value of radial load Fr = 8 kN, axial load Fa = 2 kN, design life LD = 2.40(108), ring rotation factor V = 1, and reliability RD = 0.98. Assuming that the values taken from Table 11–1 are X = 0.56 and Y = 1.63, determine the equivalent radial load rating for this application. What is the equivalent radial load rating for this application in kN?arrow_forwardFor the given details, design a self-aligning ball bearing to be used in a textile machinery to carry a combined radial load of 6139 N and thrust load of 1153 N. The expected life of the bearing is 150 millions of revolutions at 734 rpm. Take k=p=3 for all types of ball bearings. Assume uniform steady state load and take the corresponding factor as 1.1. Radial and axial load factors are 0.65 and 1.2 respectively, rotational speed factor is 1. Note: Please upload your handwritten working/solution to the link provided. Dynamic load on the bearing in N Dynamic equivalent load considering steady state load factor in N Dynamic load carrying capacity in N -arrow_forwardDesign and draw a neat sketch of a cast iron protective type flange coupling to transmit “P” kW at “N” rpm. from a turbine generating n electric motor to a compressor. The service factor may be assumed as 1.35. The following permissible stress may be used: Shear stress for shaft, bolt and key material = 40 MPaCrushing stress for bolt and key = 80 MPaShear stress for cast iron = 8 MpaSpeed N in Rpm = 250Power P in kN = 21arrow_forward
- hand written solution plzzzzarrow_forwardA single deep grove ball bearing series 3, the outer ring rotates at 1500 rpm with little shock load. Bearing has a bore diameter of 45 mm, working with a load 1890 lb radial and 1250 lb axial load. Determine the rated life and median life of the bearing. Use the design factors according to the attached table.arrow_forwardA deep groove ball bearing (with normal clearance) is subject to an axial load of 17 kN and a radial load of 44.6 kN, and has a basic static load rating of Co = 68000 N. Calculate the equivalent dynamic %D bearing load, P. Give your answer in kN. Hint: Follow the procedure in Appendix I pgs. 184 and 185 of the SKF catalogue located in the Design Manual.arrow_forward
- hand written solution plzzzzzarrow_forwardA No. 207 radial-contact ball bearing supports a shaft that rotates at 44 rpm. A radial load varies in such a way that 60, 30, and 10 percent of the time the load is 0.68kN, 1.6kN and 1kN, respectively. The loads are uniform. Estimate the L10 life in hours. An error of 5% is allowed for. There are no decimal spaces required.arrow_forwardDesign and draw a neat sketch of a cast iron protective type flange coupling to transmit “P” kW at “N” rpm. from a turbine generating n electric motor to a compressor. The service factor may be assumed as 1.35. The following permissible stress may be used: Shear stress for shaft, bolt and key material = 40 MPaCrushing stress for bolt and key = 80 MPaShear stress for cast iron = 8 Mpa Speed N in Rpm = 200Power P in kN = 16arrow_forward
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