a) According to AFBMA roller bearing is designated as " 28BCO4" What does AFBMA stands for and explain all the 6 digits given in the code. b)List any four technical reasons why ball and roller bearings need to be lubricated.

a) According to AFBMA roller bearing is designated as " 28BCO4" What does AFBMA stands for and explain all the 6 digits given in the code. b)List any four technical reasons why ball and roller bearings need to be lubricated.

Precision Machining Technology (MindTap Course List)

2nd Edition

ISBN:9781285444543

Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Chapter7: Grinding

Section7.2: Grinding Wheels For Precision Grinding

Problem 7RQ

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a) According to AFBMA roller bearing is designated as " 28BC04"
What does AFBMA stands for and explain all the 6 digits given in the code.
b)List any four technical reasons why ball and roller bearings need to be lubricated.
B
I
I!!

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