EN 4613:2021
(Main)Aerospace series - Spherical plain bearing in corrosion resisting steel with self-lubricating liner, narrow series - Dimensions and loads - Inch series
Aerospace series - Spherical plain bearing in corrosion resisting steel with self-lubricating liner, narrow series - Dimensions and loads - Inch series
This document specifies the characteristics of a bearing, spherical plain in corrosion resisting steel with self-lubricating liner, narrow series for aerospace applications.
These bearings are not intended for use of moving parts especially for control mechanisms and operating systems. They shall be used in the temperature range -55 °C to 163 °C.
Luft- und Raumfahrt - Gelenklager aus korrosionsbeständigem Stahl mit selbstschmierender Beschichtung, schmale Reihe - Maße und Belastungen - Inch-Reihe
Dieses Dokument legt die Eigenschaften von Gelenklagern aus korrosionsbeständigem Stahl mit selbstschmierender Beschichtung, schmale Reihe für die Anwendung in der Luft- und Raumfahrt fest.
Diese Gelenklager sind nicht für den Einsatz in beweglichen Teilen, vor allem in Steuerungsmechanismen und Betätigungsvorrichtungen bestimmt. Sie sind im Temperaturbereich von −55 °C bis 163 °C zu verwenden.
Série aérospatiale - Rotule lisse, en acier résistant à la corrosion, à garniture autolubrifiante, série étroite - Dimensions et charges - Série en inches
Le présent document spécifie les caractéristiques d’une rotule lisse en acier résistant à la corrosion, à garniture autolubrifiante, série étroite, pour les applications aérospatiales.
Ces rotules ne sont pas destinées à être utilisées dans des parties mobiles, particulièrement pour les mécanismes de commande et les systèmes d’actionnement. Les températures d’utilisation doivent être comprises entre -55 °C et 163 °C.
Aeronavtika - Kroglasti drsni ležaj iz korozijsko odpornega jekla s samomazalno oblogo, ozki tip - Mere in nosilnosti - Palčne mere
General Information
Relations
Overview
EN 4613:2021 - "Aerospace series - Spherical plain bearing in corrosion resisting steel with self-lubricating liner, narrow series - Dimensions and loads - Inch series" - is a CEN European Standard specifying the characteristics, dimensions and load ratings for narrow-series spherical plain bearings made from corrosion-resisting steel with a self-lubricating liner. The standard applies to the inch series and defines configuration, tolerances, materials, surface treatments, allowable loads and starting torque for aerospace applications. These bearings are intended for use in the temperature range −55 °C to 163 °C and are explicitly not for use in moving parts of control mechanisms and operating systems.
Key Topics and Requirements
- Dimensions, tolerances and mass: Detailed dimensional tables (inch series) with limits after passivation and/or cadmium plating; dimensions expressed in millimetres (and inches).
- Materials & hardness:
- Inner ring per EN 2030, hardness 55 ≤ HRC ≤ 62.
- Outer ring per EN 3161, hardness 28 ≤ HRC ≤ 38 (before swaging).
- Liner: self-lubricating liner according to EN 2755.
- Surface treatment options:
- Codes T, P, S, R define treatment conditions; cadmium plating of outer ring 5 µm to 8 µm followed by chromating where specified (per EN 2133 and ISO 8075 references).
- Loads and torques:
- Permissible static, ultimate static and dynamic radial/axial loads are provided (see Tables 2 and 3 in the standard).
- Starting torque values for normal and reduced codes are specified (testing per EN 2755).
- Design, marking and quality:
- Designation format and EN 2424 marking (style A).
- Manufacturer quality systems: approved aerospace production organization and QMS (e.g., EN 9100) with qualification procedures (e.g., EN 9133) as applicable.
Applications and Who Uses This Standard
- Target users:
- Aerospace component designers and engineers specifying bearings for airframe components and assemblies.
- Bearing manufacturers, suppliers and procurement teams producing or sourcing corrosion-resistant, self-lubricating spherical plain bearings (inch series).
- Quality, certification and maintenance personnel verifying compliance with aerospace material, finishing and load requirements.
- Typical use cases:
- Structural joints and articulating connections where corrosion resistance and low-maintenance (self-lubricating) performance is required, excluding primary control and actuator systems.
Related Standards
- EN 2030, EN 3161, EN 2133, EN 2755, EN 2424, ISO 1132-1, ISO 8075, TR 4475, EN 9100, EN 9133.
EN 4613:2021 is essential when specifying narrow-series, corrosion-resisting spherical plain bearings with self-lubricating liners in aerospace contexts and ensures consistent dimensions, materials, surface treatments and load ratings for procurement and certification.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2021
Nadomešča:
SIST EN 4613:2009
Aeronavtika - Kroglasti drsni ležaj iz korozijsko odpornega jekla s samomazalno
oblogo, ozki tip - Mere in nosilnosti - Palčne mere
Aerospace series - Spherical plain bearing in corrosion resisting steel with self-
lubricating liner, narrow series - Dimensions and loads - Inch series
Luft- und Raumfahrt - Gelenklager aus korrosionsbeständigem Stahl mit
selbstschmierender Beschichtung, schmale Reihe - Maße und Belastungen - Inch Reihe
Série aérospatiale - Rotule lisse, en acier résistant à la corrosion, à garniture
autolubrifiante, série étroite - Dimensions et charges - Série en inches
Ta slovenski standard je istoveten z: EN 4613:2021
ICS:
49.035 Sestavni deli za letalsko in Components for aerospace
vesoljsko gradnjo construction
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 4613
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2021
EUROPÄISCHE NORM
ICS 49.035 Supersedes EN 4613:2009
English Version
Aerospace series - Spherical plain bearing in corrosion
resisting steel with self-lubricating liner, narrow series -
Dimensions and loads - Inch series
Série aérospatiale - Rotule lisse, en acier résistant à la Luft- und Raumfahrt - Gelenklager aus
corrosion, à garniture autolubrifiante, série étroite - korrosionsbeständigem Stahl mit selbstschmierender
Dimensions et charges - Série en inches Beschichtung, schmale Reihe - Maße und Belastungen -
Inch Reihe
This European Standard was approved by CEN on 12 July 2020.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4613:2021 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms, definitions and symbols . 4
4 Requirements . 5
4.1 Configuration, dimensions, tolerances and mass . 5
4.2 Surface roughness . 5
4.3 Material . 5
4.4 Surface treatment . 5
4.5 Loads and starting torque values . 5
5 Designation . 12
6 Marking . 12
7 Technical specification . 12
8 Quality management systems. 13
Bibliography. 14
European foreword
This document (EN 4613:2021) has been prepared by the Aerospace and Defence Industries
Association of Europe – Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2022, and conflicting national standards shall be
withdrawn at the latest by April 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 4613:2009.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
1 Scope
This document specifies the characteristics of a bearing, spherical plain in corrosion resisting steel with
self-lubricating liner, narrow series for aerospace applications.
These bearings are not intended for use of moving parts especially for control mechanisms and
operating systems. They shall be used in the temperature range −55 °C to 163 °C.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 2030, Aerospace series — Steel X105CrMo17 (1.3544) — Hardened and tempered — Bars —
De ≤ 150 mm
EN 2133, Aerospace series — Cadmium plating of steels with specified tensile strength ≤ 1 450 MPa,
copper, copper alloys and nickel alloys
EN 2424, Aerospace series — Marking of aerospace products
EN 2755, Aerospace series — Bearing, spherical, plain in corrosion resisting steel with self-lubricating
liner — Elevated load at ambient temperature — Technical specification
EN 3161, Aerospace series — Steel FE-PM3801 (X5CrNiCu17-4) — Air melted, solution treated and
precipitation treated, bar a or D ≤ 200 mm, R ≥ 930 MPa
m
ISO 1132-1, Rolling bearings — Tolerances — Part 1: Terms and definitions
ISO 8075, Aerospace — Surface treatment of hardenable stainless steel parts
TR 4475, Bearings and mechanical transmissions for airframe applications — Vocabulary
3 Terms, definitions and symbols
For the purposes of this document, the terms and definitions given in TR 4475 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• ISO Online browsing platform: available at http://www.iso.org/obp
• IEC Electropedia: available at https://www.electropedia.org/
Symbols of limit deviations are in accordance with definitions of ISO 1132-1.
α = maximum angle of tilt of the inner ring with respect to the outer ring, with the spherical
raceway of the outer ring being completely in contact with the i
...
Frequently Asked Questions
EN 4613:2021 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Spherical plain bearing in corrosion resisting steel with self-lubricating liner, narrow series - Dimensions and loads - Inch series". This standard covers: This document specifies the characteristics of a bearing, spherical plain in corrosion resisting steel with self-lubricating liner, narrow series for aerospace applications. These bearings are not intended for use of moving parts especially for control mechanisms and operating systems. They shall be used in the temperature range -55 °C to 163 °C.
This document specifies the characteristics of a bearing, spherical plain in corrosion resisting steel with self-lubricating liner, narrow series for aerospace applications. These bearings are not intended for use of moving parts especially for control mechanisms and operating systems. They shall be used in the temperature range -55 °C to 163 °C.
EN 4613:2021 is classified under the following ICS (International Classification for Standards) categories: 49.035 - Components for aerospace construction. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 4613:2021 has the following relationships with other standards: It is inter standard links to EN 4613:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN 4613:2021 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
La norme SIST EN 4613:2021, intitulée "Aerospace series - Spherical plain bearing in corrosion resisting steel with self-lubricating liner, narrow series - Dimensions and loads - Inch series", présente des caractéristiques clés qui témoignent de son importance dans le domaine aéronautique. L’étendue de cette norme est bien définie, se concentrant sur les roulements à rotule en acier résistant à la corrosion, dotés d'une doublure auto-lubrifiée. Conçus pour des applications dans l’aéronautique, ces roulements permettent une utilisation optimale dans des conditions extrêmes, avec une plage de température allant de -55 °C à 163 °C. Cela souligne leur robustesse et leur efficacité dans des environnements opérationnels variés. Parmi les points forts de la norme, on note la capacité à normaliser les dimensions et les charges des roulements, ce qui facilite leur intégration dans les systèmes aéronautiques. La précision des spécifications contribue à garantir la sécurité et la fiabilité des systèmes dans lesquels ces composants sont utilisés. De plus, l'inclusion d’éléments de lubrification contribue à réduire l'usure et à prolonger la durée de vie des roulements, ce qui est crucial dans l’aéronautique où le maintien de performances élevées est essentiel. La pertinence de SIST EN 4613:2021 est également évidente en ce qu'elle répond aux exigences de l'industrie aéronautique contemporaines, tout en respectant les normes de qualité élevées nécessaires pour des applications critiques. En standardisant les caractéristiques de ces roulements, cette norme assure une meilleure interchangeabilité et fiabilité dans les systèmes existants et futurs. En conclusion, la norme SIST EN 4613:2021 offre des directives claires et précises pour la conception et l'utilisation de roulements à rotule, renforçant ainsi la sécurité et la performance des systèmes aérospatiaux.
SIST EN 4613:2021 표준은 항공우주 산업 분야에서 사용되는 부품의 특성을 명확히 정의하고 있는 중요한 문서입니다. 이 표준의 주요 초점은 부식 방지 강제로 제작된 구형 평 베어링과 자가 윤활 라이너를 갖춘 협소 시리즈를 설명하는 것입니다. 이러한 부품들은 항공기와 같은 중요한 시스템에서 정확성과 신뢰성을 보장하기 위해 필수적입니다. 이 표준의 강점 중 하나는 부식 방지 강재를 사용한 점입니다. 이는 베어링의 내구성을 크게 향상시켜, 극한의 환경에서도 안정적인 성능을 발휘할 수 있도록 돕습니다. 또한, 자가 윤활 기능을 incorporated하여 유지보수 주기를 줄이고, 전체적인 비용 효율성을 높이는 데 기여합니다. 또한, 이 표준은 베어링의 온도 범위를 -55 °C에서 163 °C까지 허용함으로써 극한의 기후 조건에서도 사용할 수 있도록 설계되었습니다. 이로 인해 항공우주 분야에서의 폭넓은 적용 가능성을 가지며, 특히 우주 및 항공기 시스템에서 필수적으로 요구되는 신뢰성을 충족시킵니다. SIST EN 4613:2021은 또한 베어링의 치수와 하중에 대한 명확한 지침을 제공하여, 제조업체와 설계 엔지니어가 필요로 하는 정확한 정보와 기준을 제공합니다. 이러한 표준화 노력은 부품의 일관성 유지와 안전성 확보에 기여하여, 항공우주 산업 전체의 품질을 향상시키는 데 중요한 역할을 합니다. 결론적으로, SIST EN 4613:2021 표준은 항공우주 응용 분야에서 필수적인 구형 평 베어링에 대한 종합적인 특성을 제시하며, 자가 윤활 기능과 부식 방지 강재 사용으로 인해 신뢰성과 내구성이 뛰어난 부품을 설계하고 제작하는 데 큰 도움을 줍니다. 이는 항공 우주 시스템의 안전성과 효율성을 보장하는 데 필수적입니다.
Die Norm EN 4613:2021 legt die Eigenschaften von Kugelgleitlagern aus korrosionsbeständigem Stahl mit selbstschmierenden Liner in einer schmalen Ausführung fest, die speziell für die Luft- und Raumfahrtindustrie konzipiert sind. Der Geltungsbereich dieser Norm ist präzise auf die Dimensionen und Lasten dieser speziellen Lager ausgerichtet, was entscheidend für die Sicherheit und Leistung in anspruchsvollen Anwendungen ist. Eine der Stärken der EN 4613:2021 ist die Spezifikation des Temperaturbereichs von -55 °C bis 163 °C, was diese Lager für extreme klimatische Bedingungen innerhalb der Luftfahrtindustrie geeignet macht. Darüber hinaus wird durch die Verwendung von korrosionsbeständigen Materialien sichergestellt, dass die Lager auch unter schwierigen Umweltbedingungen zuverlässig funktionieren. Die selbstschmierenden Eigenschaften des Liner fördern eine erhöhte Lebensdauer und verringern den Wartungsaufwand, was in der Luft- und Raumfahrt von größerer Bedeutung ist. Die Norm betont zudem, dass diese Kugelgleitlager nicht für bewegliche Teile, insbesondere für Steuermechanismen und Betriebssysteme, gedacht sind. Dies ist ein wichtiger Aspekt, da die klare Definition der Einsatzmöglichkeiten und Einschränkungen der Lagertypen sicherstellt, dass sie nur in geeigneten Anwendungen verwendet werden, was potenzielle Fehler und Sicherheitsrisiken minimiert. Insgesamt stellt die EN 4613:2021 eine wesentliche Grundlage für die Standardisierung von Kugelgleitlagern in der Luft- und Raumfahrtindustrie dar, indem sie sowohl die technischen Details als auch die sicherheitstechnischen Anforderungen klar definiert. Die Relevanz dieser Norm für Hersteller und Anwender in der Branche ist unbestreitbar, da sie zur Förderung der Qualität und Sicherheit in der Luft- und Raumfahrt beiträgt.
本規格文書EN 4613:2021は、腐食抵抗性鋼製の自己潤滑ライナーを持つ球面平面軸受に関するもので、特に航空宇宙用途において評価されています。この標準は、狭いシリーズの寸法および負荷に関する仕様を明確に定めており、その適用範囲は、温度範囲-55°Cから163°Cまでの条件下での使用をカバーしています。 EN 4613:2021の強みは、自己潤滑機能を持つことによるメンテナンスの必要性を低減できる点です。これにより、航空機の運用中の信頼性を高め、コストの削減にも寄与します。また、腐食抵抗性鋼の使用は、航空環境における過酷な条件下でも耐久性を保証します。このような材質選定は、安全性を重視する航空宇宙業界において非常に重要です。 さらに、この標準は、球面平面軸受に関連する測定基準を明確にすることで、設計者やエンジニアが一貫した品質の製品を選択・使用するのに役立ちます。これにより、航空機の性能を最大限に引き出すことが可能となります。従って、EN 4613:2021は、航空宇宙産業における重要な標準として、その関連性が極めて高いことが確認できます。
The EN 4613:2021 standard provides comprehensive specifications for spherical plain bearings made from corrosion-resisting steel, equipped with a self-lubricating liner. This standard specifically targets the aerospace industry, detailing the dimensions and loads applicable to the narrow series of these bearings. One key strength of EN 4613:2021 is its focus on the unique requirements of aerospace applications, ensuring that the bearings are designed to withstand extreme conditions, as indicated by the approved temperature range of -55 °C to 163 °C. The relevance of this standard cannot be overstated, given the critical role that bearings play in aerospace engineering. By specifying the characteristics that these spherical plain bearings must meet, the standard aims to enhance the reliability and performance of aerospace systems, especially in environments that require robust corrosion resistance. Moreover, by clearly indicating that these bearings are not suitable for moving parts in control mechanisms and operating systems, EN 4613:2021 helps to mitigate risks associated with application errors in aerospace design. Furthermore, the precision in defining dimensions and load capacities serves to maintain consistency and safety across various aerospace applications. Overall, EN 4613:2021 stands as a vital reference point for engineers and manufacturers within the aerospace sector, promoting standardization that directly contributes to operational effectiveness and safety in aerospace machinery.
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.
Loading comments...