The frictional torque transmitted by the flat collar bearing is

By Megha Chandrashekar
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The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r1 and r2 = External and internal radii of collar respectively)

The frictional torque transmitted by the flat collar bearing is

A. 12μW(r1+r2)
12μW(r1+r2)
B. 23μW(r1+r2)
23μW(r1+r2)
C. 12μW(r31−r32r21−r22)
12μW(r13−r23r12−r22)
D. 23μW(r31−r32r21−r22)
23μW(r13−r23r12−r22)

Answer: Option A

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Megha Chandrashekar is a former Special Education Assistant who now spends her days running after her toddlers, all the while pursuing a freelance writing career