The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan ≈ì√ú = Coefficient of friction between the shaft and bearing)$?

The radius of a friction circle for a shaft rotating inside a bearing

1.	The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan ≈ì√ú = Coefficient of friction between the shaft and bearing)$?
A.	r sin≈ì√ú
B.	r cos≈ì√ú
C.	r tan≈ì√ú
D.	(r/2) cos≈ì√ú
Answer» B. r cos≈ì√ú

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The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan ≈ì√ú = Coefficient of friction between the shaft and bearing)$?

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