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Re: [TowerTalk] Replacement Thrust Bearing

To: Robert Harmon <k6uj@pacbell.net>
Subject: Re: [TowerTalk] Replacement Thrust Bearing
From: jdlambrightatty@gmail.com
Date: Fri, 17 Apr 2015 12:15:18 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I was at Array Solutions a couple of weeks ago and bought two of their TB2 
thrust bearings to go on my UST HDX-589 towers. The ones previously on my tower 
were 4 hole bearings, but the 2 hole ones from Array Solutions fit exactly in 
two diagonal holes where the old bearings were installed. 

They do have grease zerks and cost just over $100 each. 

J D Lambright - KF5U

Sent from my iPhone

> On Apr 17, 2015, at 11:49 AM, Robert Harmon <k6uj@pacbell.net> wrote:
> 
> 
> I am overhauling my rotator and thought it would be good to replace my thrust 
> bearing also.
> I have the Rohn TB3 bearing now.  It has been in use for 18 years and feels 
> pretty rough.
> Im thinking of going with a different bearing this time with a steel body and 
> greased. (grease fitting)  
> Looked thru the archives on tower talk to find out what others have used and 
> can’t find much,
> on this type of replacement and I know the bearing supply houses have them, 
> just haven’t 
> pursued searching with them yet.   I would like to know what others have used.
> If you have used a thrust bearing like this,  could you share 
> the number and supplier ?  Array Solutions has their model TB2 which is this 
> type 
> of bearing but it only has a two hole flange for mounting.  They have a 
> larger unit with a 4 hole 
> flange but it is for a larger diameter mast than 2 inch. I want a 4 hole 
> flange but for 2 inch.
> Here is the info from their webpage:   
> https://www.arraysolutions.com/Products/thrustbearing.htm
> Anyway, what say you ?
> 
> 
> thanks,
> Bob
> K6UJ
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