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.
|support bearing att||bearing dummy reduc||bearing bed motion||nut jam rod bearing|
|tube assy bearing p||bearing radial 984||washer main bearing||runner bearing seal|
|brasses bearing||yoke bearing stern||bearing gearcase||bearing press holde|
|fixture bearing dum||spring bearing adju||screen bearing||bearing assembly up|
|gear bearing assy||bearing fluid film||bearing crankcase||bearing half compre|
|bearing fuel inject||bearing split crank||tool bearing outer||bearing drive assem|
|bearing pushrod||retainer bearing de||riveter bearing ret||bearing tail rotor|
|bearing hinge block||bearing assy ball||carrier bearing||bearing sleeve airc|
|screw cam bearing l||bearing pilot clutc||spacer bearing roto||cage bearing assemb|
|bearing flange asse||bearing set pivot||plate race bearing||jaw bearing assembl|
|bearing plain||tube pressure bearing||set engine bearing||cap knuckle bearing|
|nut main bearing||cup ball bearing||cam upper bearing||bearing rotor|
|bearing cap inside||cross bearing assem||bearing axial joint||seal bearing housin|
|bearing group||mbearing sleeve||bearing assembly fa||bolt bearing|
|liner bearing gearb||tool bearing puller||drive bearing assem||bearing four point|
|bracket bearing hou||shield bearing turb||bearing upper mainl||bearing split race|
|washer bearing remo||duplex bearing set||dowel bearing||bearing assembly gr|
|clutch and bearing||bearing set aircraf||tube bearing||bearing plate rivet|
|bearing plain aircr||ring bearing suppor||cage bearing gear||nozzle bearing oil|
|spacer bearings||bearing lining||bearing reduction||block bearing gargo|
|bearing and liner a||cap bearing actuato||bearing element soo||rod assy turbine bearing|
|bearing spring shac||bearing truck||cover end bearing||foot puller bearing|
|pitch bearing assem||seal ring bearing s||pin assy bearing se||lining bearing jour|
|bearing swivel||bearing lower mast||needle bearing elem||shoe bearing starbo|
|cap bearing clutch||frame and bearing a||journal bearing hou||bearing hydraulic c|
|body bearings match||carrier bearing eng||bearing flanged pla||bearing assembly wh|
|bearing main landin||liner bearing hub||sleeve bearing engi||bearing ball thrust|
|holder bearing pres||bearing g||pin bearing turbine||bearing temp sensor|
|bearing installer t||bearing suction nozzle||bearing set standar||bearing pump shaft|
|support bearing boo||bearing assembly turbine||bearing assembly pr||bearing follower le|
|liner set bearing h||bearing liner||ring bearing assemb||flange bearing|
|dummy bearing half||key splined bearing||spacer bearing airc||bearing general|
|lock bearing||nrp bearing ball||bearing roller inne||liner bearing turbi|
|ring pintle bearing||bearing pinion gear||bearing assy link||bearing control sha|
|plug bearing head||support bearing gea||bearing pe||nut bearing outboar|
|retainer bearing co||bearing and washer||bearing clutch gear||bearing front|
|bearing aircraft ma||lockplate bearing c||bearing trunnion ml||bearing set washer|
|shoe bearing||bearing ball pinned||bearing carrier clu||puller bearing hydr|
|ball kit bearing||bearing support upr||shoe bearing aft||nut bearing m35|
|spider and bearings||shell main bearing||spacer hub bearing||bearing assy actuat|
|bearing cap output||race bearing lower||bracket bearing ass||nut pinion bearing|
|roller bearing asse||cover bearing gener||driver assy bearing||drift ball bearing|
|stud bearing stakin||bearing center||nrp bearing line sh||brush and bearing k|
|bearing turnaround||ball bearing set as||top bearing cap||bearing steering|
|bearing upper steer||rod end bearing ass||bearing fan end mot||plate bearing clamp|
|shell bearing||holder bearing spli||bearing sleeve set||cap bearing mountin|
|cross assy bearing||bearing unit ball||retainer bearing sp||bearing assy genera|
|seal cap bearing||connector and bearing||bearing aircraft||lock nut bearing|
|bearing bar||bearing cap and blo||bearing set journal||seat and bearing as|
|bearing rear creep||bearing push rod||bearing pinnion||bearing pinion lowe|
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