MECH ENGINEERING DESIGN(LL)+ACCESS
10th Edition
ISBN: 9781260113952
Author: BUDYNAS
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 11, Problem 21P
An 02-series single-row deep-groove ball bearing with a 30-mm bore (see Tables 11–1 and 11–2 for specifications) is loaded with a 2-kN axial load and a 5-kN radial load. The inner ring rotates at 400 rev/min.
(a) Determine the equivalent radial load that will be experienced by this particular bearing.
(b) Determine the predicted life (in revolutions) that this bearing could be expected to give in this application with a 99 percent reliability.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Estimate the life in hours of a 02-30 mm angular-contact ball bearing subjected to 20,000 revolutions per cycle. Each cycle consists of a radial load of 15 kN for 6 min, and then a change in load to 25.05 kN for 4 min.
Determine the expected life of the bearing, in millions of revolutions, for each load, assuming the bearing has a C10 value of 20.3 kN.
The expected life of the bearing for 15 kN load is ___ × 106 revolutions.
The expected life of the bearing for 25.05 kN load is ____× 106 revolutions.
A 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.
An 02-seris single-row deep-groove ball bearing with a 90 mm bore (C0 = 62 kN, C10 = 95.6 kN) is loaded with a 4.34 kN axial load and a 10 kN radial load. The inner ring rotates at 600 rpm (v=1).
What is the FaC0?
Should X1/Y1 or X2/Y2 be used to caculate the equivalent radial load?
Determine the equivalent radial load experienced by this bearing.
What is the bearing’s in-use reliability, assuming a design life of 2*10^8 revolutions and an application factor of 1.2?
Chapter 11 Solutions
MECH ENGINEERING DESIGN(LL)+ACCESS
Ch. 11 - Manufacturer Rating Life, Revolutions Weibull...Ch. 11 - Manufacturer Rating Life, Revolutions Weibull...Ch. 11 - Manufacturer Rating Life, Revolutions Weibull...Ch. 11 - Problems 112 and 113 raise the question of the...Ch. 11 - Prob. 5PCh. 11 - Manufacturer Rating Life, Revolutions Weibull...Ch. 11 - Two ball bearings from different manufacturers are...Ch. 11 - 11-8 to 11-13 For the bearing application...Ch. 11 - 11-8 to 11-13 For the bearing application...Ch. 11 - 11-8 to 11-13 For the bearing application...
Ch. 11 - 11-8 to 11-13 For the bearing application...Ch. 11 - 11-8 to 11-13 For the bearing application...Ch. 11 - 11-8 to 11-13 For the bearing application...Ch. 11 - A countershaft carrying two V-belt pulleys is...Ch. 11 - A countershaft carrying two V-belt pulleys is...Ch. 11 - A countershaft carrying two V-belt pulleys is...Ch. 11 - A countershaft carrying two V-belt pulleys is...Ch. 11 - For the shaft application defined in Prob. 3-77,...Ch. 11 - For the shaft application defined in Prob. 3-79,...Ch. 11 - An 02-series single-row deep-groove ball bearing...Ch. 11 - An 02-series single-row deep-groove ball bearing...Ch. 11 - 11-22 to 11-26 An 02-series single-row deep-groove...Ch. 11 - 1122 to 1126 An 02-series single-row deep-groove...Ch. 11 - 1122 to 1126 An 02-series single-row deep-groove...Ch. 11 - 1122 to 1126 An 02-series single-row deep-groove...Ch. 11 - 1122 to 1126 An 02-series single-row deep-groove...Ch. 11 - The shaft shown in the figure is proposed as a...Ch. 11 - Repeat the requirements of Prob. 11-27 for the...Ch. 11 - The shaft shown in the figure is proposed as a...Ch. 11 - Repeat the requirements of Prob. 11-29 for the...Ch. 11 - Shown in the figure is a gear-driven squeeze roll...Ch. 11 - The figure shown is a geared countershaft with an...Ch. 11 - The figure is a schematic drawing of a...Ch. 11 - A gear-reduction unit uses the countershaft...Ch. 11 - The worm shaft shown in part a of the figure...Ch. 11 - In bearings tested at 2000 rev/min with a steady...Ch. 11 - A 16-tooth pinion drives the double-reduction...Ch. 11 - Estimate the remaining life in revolutions of an...Ch. 11 - The same 02-30 angular-contact ball bearing as in...Ch. 11 - A countershaft is supported by two tapered roller...Ch. 11 - For the shaft application defined in Prob. 3-74,...Ch. 11 - For the shaft application defined in Prob. 3-76,...Ch. 11 - Prob. 43PCh. 11 - The gear-reduction unit shown has a gear that is...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- I need right answer. Select a single row deep groove ball bearing for a radial load of 4000 N and an axial load of 5000 N, operating at a speed of 1600 rpm for an average life of 5 years at 10 hours per day. Assume uniform and steady load.?arrow_forwardA Self-aligning medium series bearing for bores of 85 mm is operating at 300 r.p.m for an average life of 9 years at 10 hours per day, is acted by a 15 kN radial load and 10 kN thrust load. The bearing is subjected to a light shock load and the inner ring is sationary. Determine the suitable self-aligning bearing. Mention the advantage of using self align bearing.arrow_forwardA propeller shaft rotating at constant speed is subjected to variable loads.Ball bearing supporting the shaft are subject to variable radial loads as follows;16KN for 40 percent of the time,2KN for 10 percent of the time,4KN for 20percent of the time and no load for the remaining time of the cycle.The total life expected for bearing is 3×10^6 revolution at a liability of 94 percent.select the bearing by calculating; a)Net dynamic load for the bearing b)load rating of the bearing from the manufacturers cataloguearrow_forward
- A rolling contact bearing is subjected to the following work cycle: (a) Radial load of 6000 N at 150 r.p.m. for 25% of the time; (b) Radial load of 7500 N at 600 r.p.m. for 20% of the time; and (c) Radial load of 2000 N at 300 r.p.m. for 55% of the time. The inner ring rotates and loads are steady. Select a bearing for an expected average life of 2500 hours.arrow_forwardi) Explain the static rating of rolling contact bearings. ii) Write any three technical reasons why ball and roller bearings need to be lubricated. b) Design a self-aligning ball bearing to be used in a turbine to carry a combined radial load of 4466 N and thrust load of 1420 N. The basic dynamic load rating of the bearing is 31 kN at 547 rpm. Take k=3 for all types of ball bearings. Take the value of the shock load factor as 1.3. The axial and radial load factors are 1.8 and 1.2 respectively and the rotational factor is 1. Calculate: i) Basic equivalent dynamic load in N ii) Design equivalent dynamic load in N iii) Expected life of bearings in hoursarrow_forwardA designer is selecting a ball bearing for a particular application, which requires the bearing to operate for 24 hours/day and 180 days at a speed of 200 rpm. What is the required catalog load rating (in lbf) for the reliability of 0.90 if the radial design load is 450 lbf, assuming the catalog life is 106 revolutions? choose answer below 09*10^3 0.9*10^3 2.44*10^3 4.8*10^3arrow_forward
- .........A shaft rotating at 150 rpm is subjected to variable load: 8 kN during 60% of the time and 2 kN during 40% of the time. Calculate the basic dynamic load rating in kN for the roller bearing (k = 10/3) for 7200 hours of operation with not more than 10% failures.arrow_forwardSelect 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%.arrow_forwardb) 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_forward
- A rolling bearing has a number 6315 and rotating with n= 50 rev/min. This bearing has a radial force Fr=6000N and a axial force Fa= 5000 N. Calculate the life of bearing (Lh).arrow_forwardThory of machine: Select one of the following bearing for the load conditions. Radial load, F=3000 N, Axial load, F = 1600 N, RPM = 1000. (1) Deep Groove ball bearing dynamic load rating=47000 N radial bad factor, X=0.56 Axial load factor, Y= 1.83 (i) Cylindrical roller bearing Dynamic load rating 28000 N radial load factor, X=1.0 axial load factor, Y=0.0arrow_forwardThe worm shaft shown in the figure transmits 1-kW at 500 rev/min. A static forceanalysis results are also shown in the figure. Bearing A is to be an angular-contact ballbearing mounted to take the 2.75 kN thrust load. The bearing at B is to take only theradial load, so a straight roller bearing will be employed. Use an application factor of1.2, a desired life of 25 kh, and a combined reliability goal of 0.99. (a)Specify each bearing by giving all required charecteristics. (b) Determine the radial and thrust components of loads on each bearing. (c) Make a design assessment for each bearing and of the system.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
BEARINGS BASICS and Bearing Life for Mechanical Design in 10 Minutes!; Author: Less Boring Lectures;https://www.youtube.com/watch?v=aU4CVZo3wgk;License: Standard Youtube License