M Philbrook wrote:

" The motor still spins easily. There is no DC continuity from the power plug but I beleive this is normal for induction motors? "


The OP has no so far bothered to open a fan a check the motor wiring for
continuity.


Yes he did, There is no continuity..


** ".. from the power plug ... ".

Box fans typically have timers, 3 way speed controls and tilt switches, any of which could be the real problem.


Which means it's been operating hot!


** Not likely with perfectly free bearing and no damage.


..... Phil