Rexnord Addax Composite Couplings

Rexnord Addax Composite Couplings - Cooling Tower Couplings

Rexnord Addax Couplings

Rexnord Cooling Tower Couplings

With more than 50,000 Rexnord Addax Composite Couplings installed around the world, Rexnord has more experience than any other composite cooling tower coupling manufacturer. These couplings are made with lightweight, advanced composite material to increase critical speed, reduce vibration and extend bearing life. As a result, they can reduce overhung bearing loads up to 80% compared to alternative metal couplings. Rexnord Addax Composite Couplings are designed to your specifications and made to order.


  • 13 sizes available
  • Custom spacer lengths up to 275 inches (6,985 mm)
  • Up to 5.06 inches (130 mm) bore capacity
  • Up to 36,200 in-lb (4,090 Nm) torque capacity
  • Up to 500 hp
  • Can span from motor to gearbox without intermediate support bearings
  • Corrosion-resistant parts lower cost of ownership and extend service life
  • Patented unitized flex elements eliminate fretting
  • Can ship in less than 24 hours if required