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.
|spacer bearing m ai||seal front bearing||seal bearing fro||screw bearing sleev|
|runner bearing seal||retainer bearing lu||retainer bearing ad||retainer assembly pinion shaft bearing|
|retainea bearing||race lug bearing||plate bearing brack||pad bearing set|
|nut locking bearing||nut bearing pressur||mount bearing conde||liner set bearing h|
|installer bearing d||cap latch bearing||cap bearing main fu||cap bearing dust|
|cap bearing clutch||can bearing||cage bearing brake||bracket bearing pum|
|bracket bearing gen||spacer bearing roll||spool and bearing||stand bearing|
|strut bearing aircr||wrench bearing inne||bearing 030||bearing and assy|
|bearing assembly tr||bearing assembly up||bearing ball 7||bearing ball double|
|bearing ball set an||bearing block assem||bearing boom||bearing clutch actu|
|bearing cylinder pi||bearing fulcrum||bearing gearcase||bearing head pump e|
|bearing jack mount||bearing lever input||bearing main rotor||bearing pair cranks|
|bearing retainer ai||bearing roller||retainer bearing wi||plate bearing inner|
|plate bearing hinge||pinion bearing brak||nut bearing upper||mandrel bearing ali|
|lug bearings valve||lock bearing liner||lining bearing||liner bearing ass|
|inserter bearing||insert ball bearing||housing bearing act||holder bearing race|
|cover cage bearing||casing assy bearing||carrier bearing oil||camshaft bearing as|
|cambearing||bracket bearing mou||bearingxroller||bearing starter spr|
|bearing spring shac||bearing shaft end||bearing set connect||ring main bearing|
|ring yoke bearing||seal insert bearing||seat and bearing as||shield bearing repl|
|socket bearing nut||spacer bearing quad||spacer bearing slee||spacer set bearing|
|stiffener bearing h||switch bearing mode||tool base bearing i||worm shaft bearing|
|wrench cam bearing||adapter bearing sho||ball bearing||base bearing housin|
|bearing||bearing abs||bearing aft gear 9||bearing and rod end|
|bearing antifriction||bearing assembly va||bearing assy govern||bearing assy mlg|
|cap bearing support||cam with bearing||bearing timken||bearing thrust main|
|bearing threaded||bearing spring set||bearing sleeve set||bearing set rod|
|bearing roller spec||bearing roller assy||bearing pushrod||bearing pusher|
|bearing plain actua||bearing installer t||bearing housing fue||bearing gear box|
|bearing extension u||bearing end bell||bearing elevator||bearing creep|
|bearing connecting||bearing cap actuato||bearing camshaft||bearing bracket|
|bearing block reverser||collar bearing rete||coupler bearing ass||cover bearing press|
|cover outer bearing||elbow rear bearing||guide main bearing||journal bearing|
|journal rod bearing||mount lower bearing||plate left bearing||retainer bearing as|
|retainer bearing de||retainer bearing fu||ring seat bearing u||rod turbine real bearing|
|scoop assy bearing||seal bearing replac||seat thrust bearing||spacer bearing hing|
|spring bearing asse||stop thrust bearing||support bearing nos||support bearing tai|
|tooth bearing outer||transmitter bearing||washer bearing moto||box bearing|
|block bearing gargo||bearings roller cyl||bearing support rol||bearing starter out|
|bearing rear wheel||bearing rear creep||bearing pitch df ai||bearing needle spec|
|bearing mechanical||bearing line shaft||bearing idler shaft||bearing flight reco|
|bearing double cup||bearing cylinder bl||bearing clutch||bearing carrier asy|
|bearing ball flngd||bearing ball fairle||bearing assy thrust||bearing antifrictio|
|bearing and valve f||bearing aileron con||ball bearing set||bearing assy duct|
|bearing asy||bearing bridge mode||bearing filiament w||bearing follower|
|bearing front idler||bearing high speed||bearing link cone||bearing locknut air|
|bearing louver blad||bearing main crank||bearing main landin||bearing needle set|
|bearing nut||bearing pkg||bearing planet gear||bearing probe|
|bearing roller shea||bearing set thrust||bearing skip suppor||bearing stave shape|
|bearing steam turbi||bearing thrust turb||bearing wafer||bracket bearing chi|
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