[TowerTalk] Thrust bearing source (not 2")

[n6tr@teleport.com (n6tr@teleport.com)]

Wondering if anyone out there has figured out a good source (preferably
on the web) of thrust bearings for masts larger than 2 inches?  I have
a project that is going to require two of them to mount horizontal
boom for an EME array.  The size of the boom in the center is 3.5 
inches.  Obviously, the Rohn TB3 isn't going to work.

Any help appreciated.  

Tree N6TR
tree@contesting.com

--
FAQ on WWW:               http://www.contesting.com/towertalkfaq.html
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm