• 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.