Jewel bearings are precision pivot-support elements fabricated from synthetic sapphire (aluminium oxide) or ruby, used in aerospace instrumentation such as gyroscopes, accelerometers, and inertial navigation unit (INU) mechanisms where extremely low friction, minimal wear, and dimensional stability under varying thermal conditions are required.
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Sponsorship of the Bearings sector is currently available. See our advertising pages for details.
Jewel Bearings suppliers linked to most aircraft programs in our database.
Sectors serving Bearings companies:
Metals •
Machining & Metal Removal •
Metal Processing & Heat Treatment •
Forming Processes •
Non-metal Materials •
Lubricants •
Finishing •
Plastics •
Tooling •
Composite Materials •
Seals & Sealing •
Chemicals •
Process & Finishing Equipment •
Tools •
Coatings •
Adhesives
Bearings
Sectors purchasing from Bearings companies:
Power Transmission •
Engine Rotating & Gas-Path Parts •
Landing Assemblies •
Turbine Engines •
Fluid Power •
Rotors & Propellers •
Piston & Rotary Engines •
Actuation •
Airframer •
Airframe Assemblies •
Pumps •
Electric Propulsion •
Rockets & Scramjets •
Auxiliary Power •
Mechanical Hardware •
Structural Components
