[TowerTalk] Yaesu thrust bearings

[Bill via TowerTalk <towertalk@contesting.com>]

After using TB-3 thrust bearings for years, I'm looking into the Yaesu ones.  
Usual problem with the TB-3s..over time they develop flt spots and cranky 
rotation.
I'll be doing swinging arms  and for most antennas.  Yaesu makes two I'm 
intyerested in:  YAESU GS-065 65MM and the GS-680U.  Other than the second is 
supposed to be self aligining, are there any difference in strength, durabilty 
etc.
Bill K4XS
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