question is in the picture below Problem 3:The figure shown is a geared countershaft with an overhanging pinion at C. Select an angular-contact ball bearing from Tables below for mounting at O and a straight roller bearing for mount-ing at B. The force on gear A is FA = 600 lbf, and the shaft is to run at a speed of 480 rev/min.Solution of the statics problem gives force of bearings against the shaft at O asRo = -387j + 467k lbf, and at B as RB = 316j – 1615k lbf. Specify the bearings required, usingan application factor of 1.4, a desired life of 50 000 h, and a combined reliability goal of 0.90.Given: -%ךC10 = F1.48310.02 +4.439| InR,a=3 for ball bearing and 10/3 for roller bearings.20.FcGear 324 dia.Gear 4FA10 dia.20°(in inches)

Answered: Image /qna-images/answer/4735c436-8e67-4da9-a856-fb0a659c7a1e.jpg

Answered: Specify the bearings required,

Engineering

Mechanical Engineering

Specify the bearings required,

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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Concept explainers

Engineering Drawing

Technical drawing has been around since ancient times. As in the ancient Renaissance, complicated drawings were created, including Leonardo da Vinci's drawing. Modern engineering drawing, including its specific orthographic projection with scale conventions, began in Europe (France) during the early stages of Industrialization. L.T. C. Rolt also made some of Marc's drawings for its block-making machinery (in 1799) that also may have contributed significantly to British engineering technology. Since he learned the art of presenting three-dimensional(3D) items in a two-dimensional(2D) plane, as we now term mechanical drawing. 

Question

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question is in the picture below

Problem 3:
The figure shown is a geared countershaft with an overhanging pinion at C. Select an angular-
contact ball bearing from Tables below for mounting at O and a straight roller bearing for mount-
ing at B. The force on gear A is FA = 600 lbf, and the shaft is to run at a speed of 480 rev/min.
Solution of the statics problem gives force of bearings against the shaft at O as
Ro = -387j + 467k lbf, and at B as RB = 316j – 1615k lbf. Specify the bearings required, using
an application factor of 1.4, a desired life of 50 000 h, and a combined reliability goal of 0.90.
Given: -
%ך
C10 = F
1.483
1
0.02 +4.439| In
R,
a=3 for ball bearing and 10/3 for roller bearings.
20.
Fc
Gear 3
24 dia.
Gear 4
FA
10 dia.
20°
(in inches)

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