Stan
The Rohn TB3 ,TB4 bearing Bolt circle Dia. Is 5.375 “ with 4 .500”
holes spaces 90 deg. around the circumference .
Rohn used .462 Dia. Shouldered bolts b for mounting ..
Wayne W3EA
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________________________________
From: TowerTalk <towertalk-bounces@contesting.com> on behalf of Stan Stockton
<wa5rtg@gmail.com>
Sent: Saturday, September 22, 2018 6:32:26 PM
To: KK9A
Cc: TowerTalk@contesting.com
Subject: Re: [TowerTalk] Rohn 25G flat, top section
Thanks, John. No, I would never use a Rohn bearing. Just needed to drill
holes in a piece of Delrin.
Stan
On Sep 22, 2018 4:59 PM, <john@kk9a.com> wrote:
I am not a fan of Rohn bearings, especially in corrosive environments but
regardless I found that DX Engineering has the bolt circle pattern in their
TB3 description.
GL
John KK9A
From: Stan Stockton <wa5rtg@gmail.com>
Date: Sat, 22 Sep 2018 13:46:18 -0500
Need the bolt pattern for a Rohn flat, top section - current part number is
25AG4.or the bolt pattern for a Rohn TB3 which should fit what is drilled
on the flat top section. Center of hole to center of adjacent hole on the
TB3 will work.
Thanks...Stan, ZF9CW
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