Rotorcraft Applications

Kaman Self-Lubricating Bearings for Rotorcraft
Longer life and lower maintenance for the most demanding applications

For decades, GRW (Germany), Kamatics (USA) and RWG (Germany) have been designing, testing, and manufacturing the highest performing bearings and flight critical parts in the industry, excelling under the most demanding conditions. Our proven innovations have kept us in front in our industry and helped clients keep out in front of theirs.

Kaman Rotorcraft Solutions

Flexible Drive Systems

Our proprietary KAflex® and Tufflex® coupling systems are frequently selected for critical rotating applications that demand a level of performance and safety that cannot be achieved with conventional greased coupling systems or standard flex-element couplings. Extreme torque, excessive angular misalignment, and high operating speeds are just a few of the reasons that customers turn to Kamatics Flexible Drive Systems.


  • No lubrication required

  • Superior misalignment capability

  • Integral fail-safe feature

  • High torque capacity
  • Rugged construction

  • Damage tolerant - repairable


  • Extended service life
  • Increased reliability
  • Ease of inspection
  • Cost effective


Kaman Flexible Driveshaft Systems

Self-Lubricating Bearings

Noted for its high performance and low wear rate, our self-lubricating liner systems have established superior results in providing longer life and lower maintenance costs, even when operating in areas of high moisture, fluid/debris contamination, and elevated temperatures. From the top-of-the-line machineable KAron® liner to the best performing fabric liner in the industry, we can provide the tailored solution to fit your needs.

Features & Benefits

  • High Operating Load
  • Low Consistent Friction
  • Fluid Compatiblity
  • Can Be Machined
  • Applied to a Variety of Substrates
  • Abrasion Resistance
  • Long Life
  • 100% Maintenance Free
  • 100% Bond, Non-Peelable
  • Applied to Complex Geometry
  • Wide Liner Thickness Range
  • Anti-Fretting Properties


Specialty Self-Lubricating Bearings


To learn more about our Fixed Wing Aircraft capabilities, download these brochures:

Rotorcraft Capability Brochure

Kaman Specialty Bearings Company and Product Overview