26 a) i) Explain the meaning of all the digits of a rollerbearing having a bearingnumber "26BC04" according to AFBMA.ii) Write any three functions of bearingsconsidering the bearings as a mechanical element.b) Design a single row deep groove ball bearingwith basic dynamic load rating of 28.5 KN to beused in a turbine to carry a radial load of 1634 N.The expected life of the bearing is 5258 hours at504 rpm. Take k=3 for all types of ballbearings. Take the value of the shock load factoras 1.8. The radial and axial load factors are 1.3 and1.6 respectively and the rotational factor is1. Calculate:i) Expected life of bearings in millions ofrevolutionsii) Design equivalent dynamic load in Niii) Basic equivalent dynamic load in Niv) Axial load acting on the bearing in N

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26 a) i) Explain the meaning of all the digits of a roller bearing having a bearing number "26BC04" according to AFBMA. ii) Write any three functions of bearings considering the bearings as a mechanical element.

26 a) i) Explain the meaning of all the digits of a roller bearing having a bearing number "26BC04" according to AFBMA. ii) Write any three functions of bearings considering the bearings as a mechanical element.

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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Question

26 a) i) Explain the meaning of all the digits of a roller
bearing having a bearing
number "26BC04" according to AFBMA.
ii) Write any three functions of bearings
considering the bearings as a mechanical element.
b) Design a single row deep groove ball bearing
with basic dynamic load rating of 28.5 KN to be
used in a turbine to carry a radial load of 1634 N.
The expected life of the bearing is 5258 hours at
504 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 N

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