Bearings are among the many components that belong to the broad categorization of aircraft hardware. Due to the numerous types of bearings relevant to our product portfolio, this page is dedicated to bearing varieties. A bearing is a rolling mechanical device that is utilized to support loads within the area of contact between two hardware surfaces, reduce friction, and/or provide rotational movement. Bearings provide a smaller contact area between surfaces, creating less friction than a standard sliding surface; this allows the attached device to operate faster and more efficiently. The most common bearing varieties include the following: bolt bearings, flexure bearings, fluid bearings, jewel bearings, magnetic bearings, plain bearings, and others.
At Methodical Purchasing, owned and operated by ASAP Semiconductor, our extensive stock includes bearings and related components from top manufacturers such as Accurate Bushing Company, Alcoa Fasteners, Aurora, RBC, RHBB, Timken, and more.
Bearings utilized in the Aerospace industry are held to extensive standards that OEMs and PMA holders must meet particular standards in order to ensure the airworthiness of their hardware products. Bearings are commonly held to specifications set by the following criteria: American National Standards Institute (ANSI), Army-Navy Aeronautical Standard (AN), National Aerospace Standard (NAS), Society of Automotive Engineers (SAE), and others. Replacement part criteria and recommended part types are also set by OEMs. These redundancies also provide various material standards, testing requirements, and traceability specifications.
The most frequently used bearings in the aerospace industry are roller bearings, roller thrust bearings, ball bearings, ball thrust bearings, screw bearings, baffle bearings, actuator bearings, and needle bearings. Bearings are used on aircraft, spacecraft, UAVs, spacecraft, satellite equipment, and other vehicles and equipment.
Fixed-wing Aircraft Bearings
Fixed-wing aircraft require bearings for airframe control systems and components including ailerons, trim tabs, and elevators. They’re also used in stowage bin support, engines, landing gear, thrust reversers, and doors. In addition, there are specialized bearings used on fixed-wing aircraft which encompass APU bearings, door linkage bearings, engine bearings, radar gimbal thin section bearings, stowage bin support bearings, spherical plain bearings, ball bearings, actuator bearings, thrust reverser linkage bearings, track rollers, landing gear trunnion bearings, and horizontal stabilizer bearings.
Rotary-Wing Aircraft Bearings
Rotary-wing aircraft require specified bearings in most components due to their unique movement. Bearings are used in the main rotor, tail rotor, landing gear, doors, and engines. Specified bearings for these applications include hardware such as main rotor swashplate slider bearings, engine gearbox and transmission bearings, rod ends, sphericals, and journal bearings, self-lubricating bushings, landing gear bearings, main rotor bearings, tail rotor pitch link bearings, tail rotor bearings, and main rotor pitch link bearings.
Bearings are utilized in automotive systems that require free rotation and reduced friction between two adjacent parts. Thrust bearings are the most common bearing found in the automotive industry, and act as rotary bearings for axial load support. Some of the automotive systems that utilize bearings are the wheels, water pumps, and transmissions. Common bearings used in these applications include wheel bearings, roller bearings, gearbox bearings, clutch release bearings, suspension and strut bearings.
This hardware is applicable to use on the following vessels: carriers, battleships, cruisers, tankers, cargo ships, container vessels, passenger vessels, tugs, etc.; marine bearings may also be relevant to wing-in-ground vehicles. Main bearings, top end bearings, bottom end bearings, thrust pad bearings, and pedestal bearings are all common bearings used in marine applications.
Marine hardware must meet specifications based on anti-corrosion properties and tensile strength. Three common materials used for marine bearings are lead bronze, bi-metal bearings, and tri metal; in addition, stainless steel and silicon bronze are utilized in marine applications.
|bearing assy lh spe||main bearing shell||bearing cap and blo||bearing spring shac|
|adapter bearing pos||bearing ball bell crank||cup ball bearing||bearing assembly lu|
|bearing mandrel||cover plate bearing||bearing drum||cover thrust bearing actuator|
|washer bearing moto||oil bearing||plate bearing adjus||bearing inner race|
|bearing driver||bar bearing remover||bearing front motor||bearing 030|
|bearing gasoline en||bearing seat mechan||sbtc bearing cart||bearing assy slotte|
|cap bearing main||removal set bearing||bearing assy rudder||bearing unibal|
|stabilizer bearing||bearing pad||bearing tool assy||sleeve bearing prel|
|bearing fan cooling||bearing bottom assy||nut ball bearing||bearing fe cp inner|
|bearing rear cranks||cover bearing retai||support bearing mount||plate bearing front|
|retainer bearing mo||plate bearing lock||bearing installer t||bearing coil|
|bearing assemb||bearing seal compen||ring bearing spec||bearing lower landi|
|bearing timken||roller set bearing||bearing radial 984||bearing roller asse|
|sleeve bearing drum||bearing eccentric||scoop bearing||bearing assy nozzle|
|bearing housing tur||stave set bearing s||bearing plate actua||bearing head assemb|
|cam assy bearing||mount bearing conde||bearing case||plate input bearing|
|bearing assembly es||retainer bearing hy||bearing pulley||bearing spc|
|drift bearing insta||bearingzrodzendz||shim bearing||thrust assembly bearing|
|bearing hinge||plate bearing set||bearing flat cage||bearing thrust wate|
|bearing rod aircraf||can bearing||bearing inlet dampe||lower bearing rivet|
|bearing half engine||disc bearing||mandrel bearing loa||bearing control mec|
|bearing assembly ar||bearing head spec||washer bearing||seal assy bearing c|
|support bearing nos||bearing main center||bearing ejector||plate gear bearing|
|bearing mounted gen||bearing fluid film||centre bearing||plug assy bearing h|
|kit main bearings||bearing roller thru||bearing and washer||bearing liner assem|
|cam upper bearing||lock bearing differ||bearing blade suppo||bearing side brace|
|screw bearing cage||cup bearing a le ve||cup planet bearing||seal bearing retain|
|shaft ball bearing||seal assy bearing f||insert ball bearing||bearing roller track roller|
|bearing non drive||seal needle bearing||pad bracket bearing||bearing roller para|
|bearing assembly pl||lug bearings valve||cradle bearing pad||bearing assembly li|
|dial bearing indica||seal main bearing o||retainer bearing a||wrench bearing seal|
|cage bearing||bearing generator||cartridge bearing||bearings body match|
|support and bearing||bearing valve stem||bearing pin||bearing saftey cont|
|feedback bearing as||key thrust bearing||kit seal bearing||bearing drive|
|bearing assy reduct||bearing pointer||bearing roller bed||nut strut bearing|
|gear and bearing pl||bearing pivot unive||bearing jack mount||end cap and bearing assembly|
|ring yoke bearing||bearing head and ma||plate bearing contr||bearing roller rdl|
|connector bearing o||bearing handwheel s||bearing hullborne p||upper bearing caps|
|bearing set sleeve||housing and bearing||plate bearing cutof||gear and bearing ac|
|retainer bearing ai||bearing bushing typ||bushing bearing sta||bearing hydraulic h|
|bearing cart||bender bearing reta||cup tapered roller bearing||retainer bearing mechanical clutch|
|bearing thrust cams||ring bearing closur||wrench bearing remo||bearing gear box|
|bearing double row||bearing x seal set||seal insert bearing||roller bearing assy|
|shoe bearing washer||bearing fan and water pump||retainer bearing ro||cap bearing ball|
|ring bearing thrust||bearing and rod end||cap ball bearing||seal bearing housin|
|kit bearing jrnl||retaining bearing||gage bearing profil||bearing set engine|
|bearing centering s||stop bearing||bearing assembly fo||bearing and seal ki|
|bearing unit||block bearing gargo||shell track bearing||sleeve bearing plan|
|bearing housing con||drift bearing outer||sleeve bearing housing assy||spring and bearing|
|posit camsh bearing||bearing power take||bearing assy steeri||bearing plain cam f|
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