| In answer to your last question.
R&L sells an adapter to mate a Yaesu Thrust Bearing to a Rohn tower. It is 
their house brand Jetstream and sells for about $40.  The larger of the two 
Yaesu bearings is quite stout and has served me well.  I just wish I had used 
the adapter rather than drilling the top plate of my tower top.
visit this link:
http://www.randl.com/cgi-local/cart/cart.cgi?cart=Search&model=jtbp1
Clint - W5CPT
  ----- Original Message ----- 
  From: Perry - K4PWO 
  To: towertalk@contesting.com 
  Sent: Sunday, April 13, 2008 3:07 PM
  Subject: [TowerTalk] Aluminum TB2 clone...
  WB0W sells an Aluminum thrust bearing that is a "clone" of a Rohn TB2.  The 
  race area appears to be much "beefier" and the mounting flange also is 
  thicker.  Does anyone use this bearing?  How does it stand up?  I/m 
  concerned with bearing race ware and tear by the bearings on the Aluminum. 
  Any recommendations for a TB2 bolt pattern bearing?
  73 de Perry - K4PWO 
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