[Top] [All Lists]

Re: [TowerTalk] Thrust bearing / rotor load

To: "'Chris Pedder'" <>,, Tower Talk <>
Subject: Re: [TowerTalk] Thrust bearing / rotor load
From: Doug Renwick <>
Date: Sat, 13 Jun 2009 19:35:22 -0600
List-post: <">>
Well doesn't that just go opposite to my experience.  I have used TB-3 s
to bear vertical loads for years without any failure.  Obviously Rohn
doesn't know that their bearings can bear vertical loads.  Maybe someday
mine will fail, but most things don't last for ever anyway (especially
made in China).  Experience trumps.


I'll run the race and I will never be the same again. 
-----Original Message-----
[] On Behalf Of Chris Pedder
Sent: June 13, 2009 1:55 AM
Subject: Re: [TowerTalk] Thrust bearing / rotor load


Can we now put this one to rest? The Japanese manufacturers have made 
this plain for years and now we have a definitive statement from 
Rohn. That seems to cover all the bases.


At 12:16 12/06/2009, Brian K1LI wrote:
>I inquired directly to Rohn for a definitive answer to this pesky
>Contrary to the definition of "thrust bearing" that appears in other
>sources, Rohn says their TB series are meant only to bear lateral loads
>(i.e., loads perpendicular to the the bearing's axis of rotation); they
>not meant to bear vertical loads (i.e., loads parallel to the the
>axis of rotation).


TowerTalk mailing list

<Prev in Thread] Current Thread [Next in Thread>