For 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 andthrust 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 ballbearings.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 NDynamic equivalent load considering steady state load factor in NDynamic load carrying capacity in N -

Given that, combined radial load=6139N thrust (axial) load =1153N expected life of bearing…

Answered: For the given details, design a…

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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3. A flat annular steel flywheel of outer radius 0.5 m and inner radius 0.125 m with p = 7800 kN*s?/m* and v = 0.3 is to be shrunk fit around a solid steel shaft. The shrinking allowance is 0.1 mm. Both materials are the same type of steel with E = 210 GPa. Determine the RPM when the shrink fit loosens as a result of rotation.
2. Determine the torque T12 required to drive slider 6 of Fig. 2 against a load of P=112.5 N at a crank angle of 0 = 30°. RA02=62.5mm, RB04=400 mm, RBC=200 mm. Р 6 250 mm 150 mm C 5 T12 2 3 Figure 2 4 B
A single row deep groove ball bearing is operating at a speed of 2000rpm acted upon by a radial load of 10kn and thrust load of 8kn. The bearing is subjected to light shock load and outer ring is rotating. Determine the life rating of the bearing
Design a chain drive to run a blower at 700 rpm for design factor of 1.5 moderate shock. The power to the blower is available from an 8 kW motor at 1400 rpm. The center distance is to be kept at 800 mm. Note the design should include the number of teeth of driven and driver sprocket, chain No, number of strands, and the length of the chain in term of chain pitch.
A ball bearing subjected to a radial load of 4000 N is expected to have a satisfactory life of 12 000 hours at 720 r.p.m. with a reliability of 95%. Calculate the dynamic load carrying capacity of the bearing, so that it can be selected from manufacturer's catalogue based on 90% reliability. If there are four such bearings each with a reliability of 95% in a system, what is the reliability of the complete system?
Problem 6 The figure depicts a band brake whose drum rotates counterclockwise at 200 rev/min. The drum diameter is 16 in and the band lining 75 mm wide. The coefficient of friction is 0.20. The maximum lining interface pressure is pV=1.5 MPa.m/s. (a) Find the brake torque, necessary force P, and steady-state power. (b) Complete the free-body diagram of the drum. Find the bearing radial load that a pair of straddle-mounted bearings would have to carry. 75 mm- -250 mm-
H.W (3): A deep groove ball bearing subjected to a radial load of 5 kN is expected to have a life of 8000 hours at 1450 r.p.m. Calculate the dynamic load capacity of the bearing so that it can be selected from the manufacturer's catalogue.
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?
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A ball bearing is subjected to a radial load of 2000 Nat 880 rpm for 40% of the time and to a radial load of 1000 Nat 1760 rpm for the remainder of the time. Expected life is to be 10 years at 6 hours per day. Find the minimum value of the basic rating load C that the bearing must have. Loads are steady. (it is assumed that the bearing has but one row of balls. A working year will be taken as 250 days.) Ans. C = 15,160 N
Driving pulley diameter= (6+24) in Driving pulley rotation = (1750+24)rev/min Driven pulley diameter= (18+24) in
A rigid coupling with 30 inches of bolt circle diameter transmits a torque of 18,000 lb-in. The coupling material has a yield strength of 90,000 psi. The coupling is fastened by six bolts. Assume design factor of N=3 Calculate the diameter of each bolt.

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