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Kaman Specialty Bearings and Engineered Products from CGB

Supplier: CGB Precision Products

Kaman Specialty Bearings and Engineered Products have been design, test, and manufacture the highest performing bearings, drive systems and operational critical parts in the industry.

Price Guide: POA

Excelling under the most demanding conditions with products in industries as varied as aerospace, space, marine, factory automation, medical, motorsports, hydropower, heavy equipment, and oil & gas.


Self Lubricating Bearings

Machinable & Moldable Liner

Kamatics’ self-lubricating liner systems, including KAron®, has become an ideal replacement for PTFE fabric-lined bearings. Their liner systems performance has 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. Their bearings can be found in thousands of high performance applications.

Commercial/Military Fixed Wing Aircraft

  • Landing Gear
  • Flight Control Systems
  • Doors
  • Engines
  • Slats
  • Vertical & Horizontal Stabilizer Bearings

Commercial/Military Rotorcraft

  • Flight Control Systems
  • Rotor Control Systems
  • Damper Bearings
  • Landing Gear
  • Swash Plate Bearings
  • Pitch Control Bearings

Space Vehicles & Satellites

  • Flight Control Systems
  • Power Systems
  • Doors
  • Hatches
  • Solar Array Deployment Systems

Fabric Liner RWG

The RWG FRASLIP line of self-lubricating bearings are based on specially engineered liner fabrics that include PTFE and other fibers for high load, low friction applications and dramatically extend service life.

Three basic fabric formulations cover most applications however RWG have other liners for more specific or demanding applications.

Self-Lubricating Liner System FRASLIP F

  • Tight woven fabric of multifilament synthetic fibers, coated (saturated) with a unique formula of PTFE, resin and special fillers
  • Outstanding compatibility with bare titanium
  • Non swelling
  • Low outgassing, tested per mVCM ECSS Q70-02
  • Qualified to SAE AS 81820, EN2755, ABS2045 plus many customer approvals

New Helicopter Liner System FRASLIP EF

  • First liner system with engineered mating surface
  • Tight woven fabric of multifilament synthetic fibers with interwoven
    PTFE-Fibers, saturated with resin
  • Mating Surface super finished Tungsten Carbide

New Self Lubricating Bearing System FRASLIP T

  • High temperature liner system
  • Medium load rating


Rolling Element Bearings

Where lowest friction, highest accuracy and higher speeds are required, rolling element bearings are the ideal first choice. Kaman offer a wide range of designs from small deep groove ball bearings up to large, high load rating spherical roller bearings. By using special platings, steels and lubricants Kaman can cover a wide range of applications.

Features & Benefits

  • Very low rotational friction
  • Continuous operation possible
  • Various designs:
    • Deep groove ball bearings
    • Angular contact ball bearings
    • Self aligning ball bearings
    • Spherical roller bearings
    • Track roller
    • Needle bearings
    • Special designs
    • Dry running hybrid bearings for temperatures up to 650°C


Metal to Metal Bearings

Metal to metal bearings are traditionally used for high load applications and/or harsh conditions such as high or low temperatures. Using different types of construction and various coatings, platings and lubricants Kaman are able to ensure the best performance under almost any conditions.

Features & Benefits

  • Very high load rating
  • High tolerance to impact loads
  • Numerous materials possible
  • Cryogenic temperatures
  • High temperatures up to 800°C
  • Constructions:
    • Formed outer ring
    • Outer ring with loader slot
  • Split ball design
  • Vacuum compatible


High Precision Bearings GRW

Kamatics recently acquired the GRW company whom CGB have been representing and distributing for a number of years now.

GRW produces high precision miniature ball bearings’ that perform under the most extreme conditions, temperatures (+450C to -270C), chemical exposure, salt water, blood, radiation, high speed, vacuum, vibration & more. GRW bearings are used whenever there is a need for a high precision bearing in a small confined space.

  • Aerospace
  • Medical & dental
  • Food & beverage
  • Vacuum &factory automation.


Flexible Drive Systems


Flight -Critical Aerospace drive system applications present some of the most challenging and demanding power transmission requirements for flexible coupling elements and Kamatics’ KAflex® and Tufflex® driveshaft have earned a well deserved reputation for safety. For close to four decades, our maintenance-free couplings have been the first choice for helicopter main-shaft and tail rotor driveline locations; applications where failure is not an option as component malfunction can mean loss of life.


  • 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


When standard power transmission couplings fall short of performance and life requirements for critical industry applications, turn to Kamatics’ flexible drive systems for the perfect solutions. With a a unitized diaphragm-type flexible coupling design it offers an extremely capable, maintenance-free solution. The flexible drive systems are particularly well-suited for critical system applications with the potential for high angular and axial misalignments at high operating speeds.


  • No lubrication required
  • Superior misalignment capability
  • High speed capability
  • High torque capacity
  • Rugged construction
  • High torsional stiffness
  • Zero Backlash


  • High performance
  • Maintenance-free
  • Continuous operation, no downtime
  • Increased reliability
  • Longest life durability
  • Cost Effective


Titanium Diffusion Hardening TDH

Titanium Diffusion Hardening (TDH) is a surface-hardening process (not a coating) for titanium alloys that significantly improves its properties in lined self-lubricating bearing systems by delivering a high-hardness outer surface to the titanium material. The TDH process will consistently yield a high-hardness case layer unmatched by other titanium surface engineering processes.

Titanium alloy is a popular choice for bearing material for applications requiring low overall weight. However under very high bearing loads titanium alloys can exhibit less stable dynamic friction coefficients. Titanium alloy bearings can also be subject to surface distress (wear scarring of the titanium). Using a diffusion-hardened Ti64 mating surface within their self-lubricating bearing systems, KAMAN Specialty Bearings & Engineered Products has been able to alleviate wear scarring. This delivers a highly efficient, high load & lightweight bearing.

“Using our proprietary Titanium Diffusion-Hardening process, we’ve really been able to raise the bar for lightweight self-lubricating plain bearing systems. Using a diffusion-hardened Ti64 mating surface, we’ve been able to achieve KAron wear and friction results equivalent to those we experience with high-hardness stainless steels (at nearly half the assembly weight)” said Mat Mormino, VP of Engineering, KAMAN Specialty Bearings & Engineered Products.


Wear Strips

Kaman offer a range of wearstrips made from their Karon liner in a range of thickness, each providing unique characteristics to prevent metal to metal to wear and fretting damage from sliding or rubbing surfaces. They are designed to be bonded onto surfaces as a protective barrier. They can be ordered as standard size sheets of as custom cut profiles.



Dry-Film Lubricant KFL-DM

Kaman`s KFL-DM is a superior alternative to dry film lube. It is a polymer based film coating impregnated with PTFE &other special fillers. KFL-DM can be applied to a large range surfaces including spline shafts and other complex geometry. KFL-DM coating is ready to go into the field as no final machining step is required and has a resulting thickness of 0.025 – 0.051mm (.001-.002”). 


  • No maintenance
  • Extended life
  • Superior  Performance
  • Cost effective


  • Fretting barrier
  • Fluid compatibility
  • Durable


Contact CGB For more Information