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Re: [TowerTalk] Replacement Thrust Bearing

To: "'Robert Harmon'" <k6uj@pacbell.net>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] Replacement Thrust Bearing
From: "Doug Renwick" <ve5ra@sasktel.net>
Date: Fri, 17 Apr 2015 12:44:03 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Get a Timken/Fafnir YJC series bearing.  They are the best but not cheap.
The don't make a 2" ; the closest is 1 15/16".  If you need something a bit
larger in diameter, I have had machinist mill the inside to fit 2+".
Doug 

I wasn't born in Saskatchewan, but I got here as soon as I could.

-----Original Message-----

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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