Frictionless
Precision
Engineering
Free-Flex® Pivots — precision flexural bearings engineered for aerospace, optics, robotics, and ultra-precision motion systems.
See the Pivot in Action
The crossed leaf spring mechanism oscillates with ±30° of frictionless angular travel. No rolling contact, no lubrication, no wear — just predictable, repeatable motion.
Years of Heritage
Tested Cycles
Max Angular Rotation
lb/in Radial Stiffness
Engineered for Perfection
Free-Flex® Pivots deliver a unique combination of performance characteristics unmatched by conventional bearings.
Zero Friction
No metal-to-metal contact eliminates friction entirely
No Backlash
Precise positioning with zero lost motion
High Stiffness
Radial stiffness up to 100,000 lb/in
Infinite Life
Proven beyond 12 billion cycles in testing
Micron Precision
0.00005-inch positioning increments
Maintenance Free
No lubrication or servicing required
Trusted Across Critical Sectors
Built for the
Long Run
Riverhawk Free-Flex® Pivots are designed with durability, efficiency, and sustainability in mind. By creating longer-lasting, high-performance precision systems, Riverhawk helps reduce material waste, maintenance demands, and environmental impact — supporting cleaner, more responsible engineering at every scale.
Reduced Material Waste
Infinite-life design eliminates replacement cycles and manufacturing waste
Lubrication-Free Operation
No greases, oils, or chemical lubricants — zero contamination risk
Lower Lifecycle Footprint
Maintenance-free construction reduces service visits and associated emissions
Voted "Top 16 Coolest Things
Made in New York"
Recognized by Made in NY for precision engineering excellence
Top 3 Finalist —
Business of the Year
Honored by the Greater Utica Chamber of Commerce
Greater Utica Chamber of Commerce
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U.S. Drone Soccer
R.P. Luce & Co., Inc.
Westech Associates
Potter-GMH Technologies
AZG Consulting GmbH
Lumberg Limited
Dr. Marino Mueller AG
Novatec Precision Systems Ltd.
Daitron Co., LTD.
Vantong IndustriesGreater Utica Chamber of CommerceCNY DronesU.S. Drone SoccerR.P. Luce & Co., Inc.Westech AssociatesPotter-GMH TechnologiesAZG Consulting GmbHLumberg LimitedDr. Marino Mueller AGNovatec Precision Systems Ltd.Daitron Co., LTD.Vantong IndustriesGreater Utica Chamber of CommerceCNY DronesU.S. Drone SoccerR.P. Luce & Co., Inc.Westech AssociatesPotter-GMH TechnologiesAZG Consulting GmbHLumberg LimitedDr. Marino Mueller AGNovatec Precision Systems Ltd.Daitron Co., LTD.Vantong Industries
60+ Years of
Precision Innovation
From Bendix Corporation in 1961 to Riverhawk Company today, Free-Flex® Pivots represent six decades of American manufacturing excellence.