Problem1 Two ball bearings from different manufacturers arc bcing considcred for a certain application. Bearing A...
2) (15 pts] Determine the catalog rating for a ball bearing Timken rates its bearings for 3000 hours at 500 rev/min. Determine the catalog rating for a ball bearing running for 10000 hours at 1800 rev/min with a load of 2 kN with a reliability of 90 percent. The catalog rating (C10) for a ball bearing is KN
Problem #2 (50 point): A certain application requires a ball bearing with the inner ring rotating, with a design life of 40000 hr at a speed of 350 rev/min. The radial load is 2.15 kN and an application factor of 1.3 is appropriate. The reliability goal is 0.90. Find the multiple of rating life required, Xo, and the catalog rating Cio with which to enter a bearing table. Choose a 02-series deep-groove ball bearing from Table 11-2, and estimate the...
For the bearing application specifications given in Table A, determine the Basic Load Rating for a ball bearing with which to enter a bearing catalog of manufacturer 2 in Table 11–6. Assume an application factor of one. Table A (bearing specifications): Radial Load Design Life 2.12 kN 109 rev Desired Reliability 95% The Basic Load Rating for the ball bearing is C K N.
A radial, deep grove ball bearing is specified from a manufacturer’s catalog based on a L10 life of 106 cycles. The bearing has a basic load rating of 2,500 N and is to be used in an application where the design radial load is 350 N and the axial load is zero. What is the predicted life (hours of the bearing if the inner race of the bearing rotates at 1,800 rpm? A.70 B. 3,400 C. 200,000 D. 160
If we desire that a AFBMA system ball bearing can take a radial load F 5 kN with a design Li life of 15000 hours at a speed of 3600 rpm. The application factor is ar-I.2. If the bearing maker's catalog ratingss are based on a L life of/ million revolutions. The three Weibull parameters are x, -0.02, (0-x,)- 4.439, and b-1483 The minimum required catalog (for / millionrevolutions) loaa rating C0 should be equal to )(A) A s V....
1) [40 pts] Determination of minimum shaft diameter using DE-Gerber, DE-ASME Elliptic, DE-Soderberg, and DE-Goodman criteria A shaft is loaded in bending and torsion such that M. = 66 Nm, T. = 42.496 Nm, Mm = 51.858 Nm, and Tm = 33 N m. For the shaft, S, = 700 MPa and S, = 560 MPa, and a fully corrected endurance limit of S, = 210 MPa is assumed. Let K = 2.2 and Kis = 1.8. With a design...
mechanical Desgin 2 11 - 20: A single-row deep-groove ball bearing with a 65-mm bore (see Tables 11-1 for specifications) is loaded with a 3-KN axial load and a 7-KN radial load. The outer ring rotates at 500 rev/min. (a) Determine the equivalent radial load that will be experienced by this particular bearing. (b) Determine whether this bearing should be expected to carry this load with a 95 percent reliability for 10 kh.
Final Exam, Spring 2oTg Grade: Student Name: Problem #1 (50 point): An SKF ball bearing has an axial load F. of 500 Ibr and a radial load F, of 600 Ibr applied with inner ring rotating. The basic static load rating Co is 4250 lbr and the basic dynamic load rating Co is 7600 lb. Find the equivalent radial load Fe, and estimate the Xio life (in hours) at a speed of 600 rev/min. Final Exam, Spring 2oTg Grade: Student...
Question 5 -a: For the shaft application in Question 2, the input shaft (2) is driven at a constant speed of 150 rev/min. Obtain a basic load rating for a ball bearing at A and B in shaft 1 for a life of 10 Khr with a combined reliability of R = 0.95 . Also select a proper 02-Series Deep-Groove ball bearing according to your calculations. Assume the distribution data from manufacturer 2, in table 11-6 in the textbook. 800...
Table 11-2 Dimensions and Load Ratings for Single-Row 02-Series Deep-Groove and Angular-Contact Ball Bearings Load Ratings, kN Fillet Shoulder Width, Radius, Deep Groove Angular Contact Bore, OD, Diameter, mm ds C10 с. Сто Co mm mm mm mm 10 30 9 0.6 12.5 27 5.07 2.24 4.94 2.12 12 32 10 0.6 28 6.89 3.10 7.02 3.05 14.5 15 35 11 0.6 17.5 31 7.80 3.55 8.06 3.65 17 40 12 0.6 19.5 34 9.56 4.50 9.95 4.75 20 47...