[TowerTalk] US Tower Crank-Up Tower Thrust Bearing

[Mac]

This measurement is near insignificant, it needs or should comport with 
the mast size O.D. not all mast are equal in size by a long shot.

By its self is not enuff answer.  The mast and thrust bearing are near 
symbiotic in their relationship.

best:  mac/mc  w5mc

On 7/28/2019 1:06 PM, W3OA wrote:
> A buddy and I are doing some work on a US Tower crank-up with an 
> unknown history.  He measured the inside diameter of the thrust 
> bearing as 2 1/16 inches.  Does this sound right or is it possible the 
> bearing has been replaced with one that is not the same size as the 
> original?
>
> 73 - Dick, W3OA
>
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