1、BRITISH STANDARD AEROSPACE SERIESBS EN4040:2006Bearings, spherical plain in corrosion resisting steel with self-lubricating liner with wide inner ring Elevated loads at ambient temperature Dimensions and loadsThe European Standard EN 4040:2006 has the status of a British StandardICS 49.035g49g50g3g3
2、8g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 4040:2006This British Standard was published under the authority of the Standards Policy and Strategy Co
3、mmittee on 31 May 2006 BSI 2006ISBN 0 580 48379 7National forewordThis British Standard is the official English language version of EN 4040:2006.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibilit
4、y to: A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “Internationa
5、l Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British St
6、andard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European
7、 developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicati
8、onAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4040May 2006ICS 49.035English VersionAerospace series - Bearings, spherical plain in corrosionresisting steel with self-lubricating liner with wide inner ring -Elevated loads at ambient temperature - Dimensions and loadsSrie a
9、rospatiale - Rotules en acier rsistant lacorrosion garniture autolubrifiante avec bague intrieurelarge - Srie charge leve temprature ambiante -Dimensions et chargesLuft- und Raumfahrt - Gelenklager auskorrosionsbestndigem Stahl mit selbstschmierenderBeschichtung mit breitem Innenring - Hohe Belastun
10、g beiRaumtemperatur - Mae und BelastungenThis European Standard was approved by CEN on 16 March 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-
11、to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder t
12、he responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland,
13、Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart,
14、 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4040:2006: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.4 4 Symbols and abbreviations5 5 Required characteristics 5
15、6 Designation .9 7 Marking 9 8 Technical specification.9 EN 4040:20063 Foreword This European Standard (EN 4040:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this As
16、sociation, this Standard has received the approval of the National Associations and the Official Services of the member countries of AECMA, 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 endo
17、rsement, at the latest by November 2006, and conflicting national standards shall be withdrawn at the latest by November 2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for id
18、entifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hun
19、gary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4040:20064 1 Scope This standard specifies the characteristics of spherical plain bearings in corrosion resis
20、ting steel with self-lubricating liner, with wide inner ring, for elevated loads at ambient temperature. They are intended for use between fixed or moving parts of the aircraft structure and their control mechanisms. The spherical plain bearings defined in this standard are used from 55 C to 163 C.
21、2 Normative references The following referenced documents are indispensable for the application 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. ISO 1132-1, Rolling bearin
22、gs Tolerances Part 1: Terms and definitions. ISO 8075, Aerospace Surface treatment of hardenable stainless steel parts. EN 2030, Steel FE-PM43 Hardened and tempered Bars D 150 mm Aerospace series. 1) EN 2424, Aerospace series Marking of aerospace products. EN 25392), Aerospace series Steel FE-PM3801
23、(X5CrNiCu17-4) Air melted Solution treated and precipitation treated Bar a or D 200 mm Rm 965 MPa.3)EN 2755, Aerospace series Bearings, spherical plain in corrosion resisting steel with self-lubricating liner Elevated loads at ambient temperature Technical specification.3) EN 3161, Aerospace series
24、Steel FE-PM3801(X5CrNiCu17-4) Air melted Solution treated and precipitation treated Bar a or D 200 mm Rm 930 MPa.3)3 Terms and definitions For the purposes of this standard, the terms and definitions given in ISO 1132-1 apply. 1) Published as AECMA Standard at the date of publication of this standar
25、d. 2) Inactive for new design, see EN 3161. 3) Published as AECMA Prestandard at the date of publication of this standard. EN 4040:20065 4 Symbols and abbreviations ds= the deviation of a single bore diameter Ds= the deviation of a single outside diameter dmp= single plane mean bore diameter deviati
26、on Dmp= single plane mean outside diameter deviation = angle of tilt of the outer ring with respect to the inner ring, the spherical surface of the outer ring being completely in contact with the inner ring. 5 Required characteristics 5.1 Dimensions Tolerances Masses Configuration : see Figure 1 or
27、2 ; the bearings are fitted with or without swaging grooves. Values : see Figure 1 or 2 and Table 1: values after surface treatment. 5.2 Surface roughness See Figures 1 and 2; the values are expressed in micrometres; they apply before surface treatment. 5.3 Materials Inner ring : EN 2030, 55 HRC 62
28、Outer ring : EN 2539, 28 HRC 37 before swaging Liner : Self-lubricating low friction wear resistant material consistent with the requirements of EN 2755. 5.4 Surface treatment Inner ring : passivated ISO 8075: code T with no surface treatment: no code EN 4040:20066 Break sharp edges and corners and
29、remove all burrs and slivers Key 1 Liner Figure 1 Type without swaging grooves, code S EN 4040:20067 Key 1 Break sharp corners 0,2 max. 2 Liner Figure 2 Type with swaging grooves, code R EN 4040:20068 Table 1 Dimensions in millimetres Diameter d B C D Tolerance m d1 aK Code Nominal 0 0,06 0,1 dmpdsD
30、mpDsmin. 06 6 14 8 18 0 8 + 5 13 9 15 08 8 15 10 21 11 17,5 10 10 20 13 26 0 9 + 6 15 0 8 + 2 10 13,5 22,2 (continued)(concluded) N P R r r1T b Mass Code + 0,1 0 0 0,2 + 0,1 0 max.min. 0,5 g/piece 06 16,2 0,7 0,2 0,7 20 20 15 08 18,4 15 22 10 23,4 0,9 0,3 0,8 + 0,4 0,3 0,8 0 0,5 0,9 16 30 48 aAttent
31、ion should be paid to the possible indentation of the support mountings by the inner ring bearing faces. bMaximum values for the user. 5.5 Loads and starting torque values See Table 2. Table 2 Permissible static loads kN Starting torque N.m Diameter code Radial CsAxial a CaPermissible dynamic radial
32、 loads 25 000 cycles kN Code L Code N 06 41,5 5,1 16,6 0,01 to 0,2 08 63 9,5 25,210 105,1 18,6 42,2 0,02 to 0,4 0,12 to 0,80 aThese values apply to bearings without swaging grooves. For bearings with swaging grooves, the push-out loads may be smaller than these values. EN 4040:20069 6 Designation EX
33、AMPLE Description block BEARING, SPHERICAL PLAIN Identity block EN4040S06TN Number of this standard Code for type (see Figures 1 and 2) Diameter code (see Table 1) Surface treatment code (see 5.4) Starting torque code (see 5.5) NOTE If necessary, the originator code I9005 shall be placed between the
34、 description block and the identity block. 7 Marking EN 2424, style A Marking position and method are at manufacturers option. 8 Technical specification See EN 2755. EN 4040:2006BS EN 4040:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body
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