I just checked the design of the TB2 and there is no space to drill another
couple of holes. Sorry!
Bert, VE3NR
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
jdlambrightatty@gmail.com
Sent: Friday, April 17, 2015 1:15 PM
To: Robert Harmon
Cc: towertalk@contesting.com
Subject: Re: [TowerTalk] Replacement Thrust Bearing
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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