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Custom Aerospace Bearings

Custom Aerospace Bearings

Carter Manufacturing Limited is the European Master Distributor for the US custom bearing specialist Napoleon Engineering Services (NES). NES provides custom engineered bearings in small order quantities and on fast lead times to the aerospace industry and other markets in Europe.

Based in Olean, NY, USA, NES specialises in the manufacture of custom bearings, as well as bearing testing and inspection for a wide range of industry sectors including aerospace, defence, automotive, oil and gas, medical, and wind energy. NES specialises in the supply of custom engineered bearings with unique designs and superior raw materials, in small lot sizes and on fast lead times. Custom bearings include deep groove ball bearings, angular contact ball bearings, double row self-aligning bearings, needle roller bearings and cylindrical roller bearings, in outside diameters that range from 20mm up to 350mm.

Aerospace Quality Management Certifications

As a certified ISO9001:2008 and AS9100C company, NES can provide custom bearings and services for the aerospace industry, including custom aerospace bearing manufacture; aircraft bearing reverse engineering for Federal Aviation Administration Parts Manufacturing Approval (FAA-PMA); First Article Inspection  (FAI) per AS9102; as well as other aerospace bearing testing and inspection services. Since Carter holds AS9120Rev-A & ISO9001:2008 quality management certifications ensuring full traceability for all aerospace bearings. The extensive experience and heritage within Space, Aerospace and Defense industries of both parties brings a strong partnership to deliver bearings of the highest possible standard.

Custom Aerospace Grade Bearing Materials

Typical bearings for aerospace applications utilise 440C, Cronidur® 30, XD15NW, 52100, M50, M50 NiL, Pyrowear® 675 and superelastic NiTiNOL 60 high-life materials and coatings. Rolling element material varies from 52100, 440C, M50, Cronidur® 30 and ceramic (silicon nitride). Precision machined cages can be supplied in bronze, steel, silver-plated bronze or steel, Nylon 6/6, PEEK, Vespel, Torlon® and Phenolic.


NES uses a wide variety of bearing materials to suit the customer’s specific application, which can vary from satellite and UAV arm actuation systems to antennas, fuel pumps, ram air turbines, rocket engine valves, turbo pump, rotorcraft transmissions and aircraft turbine engines.

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