CAT Enterprises



All orders requiring technical work will be shipped in 7 days.

Antenna Accessories


Thrust Bearing

Download Manual


  • For use with U-105 and U-106 Antenna Rotator
  • Provides extra support for U-105 and U-106 rotator drive unit bearings
  • All ball bearing design
  • Relieves wear and tear on rotator imposed by wind loads
  • Weather-tight seal protects TB-105 Support Bearing against the elements
  • All mounting hardware supplied
  • The optional TB-105 Support Bearing is available for use with
    U-105 and U-106 Rotators when extra sturdy installation is desired*


*You must cut/remove the tab from the drive unit when using TB-105.



  ...TB-105... $39.50
Discontinued and Available for a short time only

Call to order.





















Our PayPal buttons are programmed for USA shipping only.
 If you are in another country we will bill you for the remainder of your shipping charges.


 1-888-561-8131    1-888-561-8131
Warranty and Return Policy    

BellsCB Radio, 5051 NE 12th Avenue, Oakland Park, Florida. 33334   (954)771-8161