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 duct||bearing asy||bearing bridge mode||bearing cartridge|
|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||bracket bearing gen||bracket bearing pum|
|cage bearing brake||can bearing||cap bearing clutch||cap bearing dust|
|cap bearing main fu||cap latch bearing||installer bearing d||liner set bearing h|
|mount bearing conde||nut bearing pressur||nut locking bearing||pad bearing set|
|plate bearing brack||race lug bearing||retainea bearing||retainer assembly pinion shaft bearing|
|retainer bearing ad||retainer bearing lu||runner bearing seal||screw bearing sleev|
|seal bearing fro||seal front bearing||spacer bearing m ai||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|
|bearing set connect||bearing shaft end||bearing spring shac||bearing starter spr|
|bearingxroller||bracket bearing mou||cambearing||camshaft bearing as|
|carrier bearing oil||casing assy bearing||cover cage bearing||holder bearing race|
|housing bearing act||insert ball bearing||inserter bearing||liner bearing ass|
|lining bearing||lock bearing liner||lug bearings valve||mandrel bearing ali|
|nut bearing upper||pinion bearing brak||plate bearing hinge||plate bearing inner|
|retainer bearing wi||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||bearing block reverser||bearing bracket|
|bearing camshaft||bearing cap actuato||bearing cartridge s||bearing connecting|
|bearing creep||bearing elevator||bearing end bell||bearing extension u|
|bearing gear box||bearing housing fue||bearing installer t||bearing plain actua|
|bearing pusher||bearing pushrod||bearing roller assy||bearing roller spec|
|bearing set rod||bearing sleeve set||bearing spring set||bearing threaded|
|bearing thrust main||bearing timken||cam with bearing||cap bearing support|
|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||ball bearing set||bearing aileron con|
|bearing and valve f||bearing antifrictio||bearing assy thrust||bearing ball fairle|
|bearing ball flngd||bearing carrier asy||bearing clutch||bearing cylinder bl|
|bearing double cup||bearing flight reco||bearing idler shaft||bearing line shaft|
|bearing mechanical||bearing needle spec||bearing pitch df ai||bearing rear creep|
|bearing rear wheel||bearing starter out||bearing support rol||bearings roller cyl|
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