On 6/29/2011 3:34 AM, K8RI on TT wrote:
> On 6/28/2011 9:41 PM, Mike Cizek wrote:
>> I need a thrust bearing for a 3.5" mast for a tower project and am
>> having a hard time finding one. Anybody have a source? Thanks.
> How about the ROHN TB-4? The opening is considerably larger than the
> TB-3. I'd have to go out and measure just how large a mast they can
> handle and I don't know if they are still made.
I just measured one of the two TB-4s I have stored on the basement.
Less than 3.1" diameter opening.
73, Jay K0GU
TowerTalk mailing list