2) (15 pts] Determine the catalog rating for a ball bearing Timken rates its bearings for...
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...
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.
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...
Determine C10 rating (kN) for the given system below: Type of bearings: Cylindrical Roller Bearings . Fd (kN) 15 Ld (kilo hours) 20 af (application factor) 3.0 nd (revs/min) 350 . R 75% Determine C10 rating (kN) for the given system below: Type of bearings: Cylindrical Roller Bearings . Fd (kN) 15 Ld (kilo hours) 20 af (application factor) 3.0 nd (revs/min) 350 . R 75%
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....
A 02-series angular contact ball bearing with a 10-mm bore is loaded with a 0.3604 kN axial load and 100 kN radial load. The inner ring rotates at 8000 rev/min and working 2000-hour service. For Rd = 93% and af = 1. (a) Determine the equivalent radial load that will be experienced by the bearing. (b) Consider a rating rated life of 10^6 revolutions find C10 load experienced by bearing and calculate the factor of safety in carrying the load...
5. Bearing life prediction. (20 points) A 02-series Score: with a 50 mm bore (sce Tables 11-1 and 11-2 for specifications) is loaded with a 2.6 kN radial load and a 4.17 KN axial load. The inner ring rotates at 1450 rev/min. The application es single-row angular contact b factor is a,1.3. C1) Determine the equivalent radial load that will be experienced by this particular bearing. (2) Determine the predicted life (in hours) that this bearing could be _expectedtogvein this...
A ball bearing on a shaft has a variable loading as shown in the table below. What is the minimum C10 rating required for the bearing to last 10,000 hours for Ls Life? One Cycle Phase 2 6 1500 2000 1.8 Phase 1 4 1000 Phase 3 Minutes in Phase Speed (RPM) Bearing Load (N)3000 Application Factor 800 5000 1.5 1.2 A ball bearing on a shaft has a variable loading as shown in the table below. What is the...
6. For the bearing with the largest radial load and without knowing the shaft diameter, what would be the catalog rating for a radially loaded ball bearing to withstand 1000 x 10e6 cycles with 90% reliability. The bearing manufacturer rates its bearing for a million cycles. 7. A 10 mm diameter steel shaft is subject to bending stresses only. The material has Sut = 1100 MPa and Sy = 950 MPa and a fine-ground surface finish. 1. Determine the factor...
Q-1 The shaft shown in figure below, supported by and turns in the bearings A and B. The dimensions of the shaft are a = 120 mm and b = 30 mm. The forces on the bevel (conical) gear attached to the shaft are Wt = 4500 N, Wr = 2500 N, and Wa = 1000 N. The gear forces act at a radius R = 100 mm from the shaft axis. Determine the loads applied to the bearings (FrA...