[TowerTalk] US Tower Crank-Up Tower Thrust Bearing

[Andy Brinkley]

The 2-1/16" measurement is correct for the Peer 2 bolt bearing that came with my US Tower.  

 When I installed the mast in my US Tower I spent several hours trying to line the mast centered using the eccentric collar and finally figured out that the bearing was larger than the 2" mast and the eccentric locking collar was pushing it to one side.
I had cut some shim stock and put it between the bearing race and mast and was able to get everything centered up.

Andy / NC4AB

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of W3OA
Sent: Sunday, July 28, 2019 2:06 PM
To: towertalk at contesting.com
Subject: [TowerTalk] US Tower Crank-Up Tower Thrust Bearing

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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