BS EN 4854-3:2019 - Aerospace series. Bearing, spherical plain, in corrosion resisting steel with self-lubricating liner, low starting torque and low friction coefficient, elevated duty cycles under low oscillations at different operating conditions. Technical specification

BS EN 4854-3:2019

Aerospace series. Bearing, spherical plain, in corrosion resisting steel with self-lubricating liner, low starting torque and low friction coefficient, elevated duty cycles under low oscillations at different operating conditions. Technical specification

Status : Current   Published : November 2019

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PDF

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HARDCOPY



This European Standard specifies the required characteristics, inspection and test methods, qualification and acceptance conditions for spherical plain bearings in corrosion resisting steel with self-lubricating liner, low starting torque and low friction coefficient, elevated duty cycles under low oscillations at different operating conditions. This standard applies whenever referenced. These self-lubricating spherical plain bearings are intended for use in fixed or moving parts of the aircraft structure especially for control mechanism and operating systems. The bearings are designed subjected under low dynamic radial loads and slow rotations in the temperature range of ?55 °C to 120 °C (?67 °F to 248 °F). The liner may be of a fabric or composite material bonded to the inside diameter of the outer ring or in a composite material moulded into a pre-formed cavity between the inner and outer rings.




Standard NumberBS EN 4854-3:2019
TitleAerospace series. Bearing, spherical plain, in corrosion resisting steel with self-lubricating liner, low starting torque and low friction coefficient, elevated duty cycles under low oscillations at different operating conditions. Technical specification
StatusCurrent
Publication Date04 November 2019
Normative References(Required to achieve compliance to this standard)EN 4854-1, EN 10204, MIL-PRF-87257B, TR 4475, EN 4854-2, ASTM D 1655
Informative References(Provided for Information)EN 9133, ISO 11078
International RelationshipsEN 4854-3:2019
Draft Superseded By16/30354036 DC
DescriptorsAir transport engineering, Self-lubricating bearings, Approval testing, Coefficient of friction, Natural rubber, Electrodes, Testing methods, Bearings, Corrosion-resistant steels, Compression set, Melting, Elongation, Air, Synthetic rubber, Hardness testing, Torque, Cables (electric), Density, Aerospace transport, Environmental testing, Corrosion tests, Tensile strength, Measurement, Test methods, Elastic constants, Mixing, Qualification approval, Aircraft components, Steels, Testing, Specifications, Contrast (optical), Durability, Quality assurance, Technical documents, Quality assurance systems, Tear tests
ICS49.035
Title in FrenchSérie aérospatiale. Rotules lisses en acier résistant à la corrosion à garniture autolubrifiante, faible couple de démarrage et faible coefficient de frottement, cycles d'endurance élevés sous faibles oscillations à différentes conditions de fonctionnement Spécification technique
Title in GermanLuft- und Raumfahrt. Gelenklager aus korrosionsbeständigem Stahl mit selbstschmierender Beschichtung, geringem Losbrechmoment und niedrigem Reibungskoeffizienten, hohe Anzahl an gering oszillierenden Belastungszyklen bei unterschiedlichen Einsatzbedingungen Technische Lieferbedingungen
CommitteeACE/12
ISBN978 0 539 01698 7
PublisherBSI
FormatA4
DeliveryYes
Pages46
File Size1.166 MB
Price£240.00


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