1、BRITISH STANDARD AEROSPACE SERIES BS EN 2022:1990 Specification for Bearings, spherical plain in corrosion resisting steel with self-lubricating liner Light series Dimensions and loads This European Standard EN2022 has the status of a British Standard. UDC 629.7.02:621.822.3-408.2-72.004.1:669.14.01
2、8.89BSEN2022:1990 This British Standard was published under the authority ofthe Board of BSI and comes intoeffect on 28September1990 BSI 12-1999 The following BSI references relate to the work on this standard: Committee reference ACE/14 Draft for comment 87/76993 DC ISBN 0 580 18674 1 Cooperating o
3、rganizations The European Committee for Standardization, under whose supervision this European Standard was prepared, comprises the national standards organizations of the following Western European countries. Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark
4、 Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione
5、 Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation United Kingdom British St
6、andards Institution Amendments issued since publication Amd. No. Date of issue CommentsBSEN2022:1990 BSI 12-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Brief history 2 Text of EN 2022 3 National appendix A Inside back cover National appendix B Inside back c
7、overBSEN2022:1990 ii BSI 12-1999 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN2022“Aerospace series. Bearings spherical plain in corrosion resisting steel with self-lubricating liner
8、. Light series. Dimensions and loads”, published by the European Committee for Standardization (CEN). EN2022 was produced as a result of international discussion in which the UK took an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of B
9、ritish Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 6, an inside back
10、cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2022 January 1988 UDC 629.7.02:621.822.3-408.2-72.004.1:6
11、69.14.018.89 Key words: Aircraft industry, spherical bearing, corrosion resisting steel, linings, self-lubricating parts, dimensions, loads. English version Aerospace series Bearings, spherical plain in corrosion resisting steelwithself lubricating liner Light series Dimensions and loads Srie arospa
12、tiale. Rotules en acier rsistant la corrosion garniture autolubrifiante Srielgre Dimensions et charges Luft- und Raumfahrt-Reihe Gelenklager aus korrosionsbestndigem Stahl mit selbstschmie-render Beschichtung Leichte Reihe Mae und Belastung This European Standard was accepted by CEN on16November1987
13、. CEN members are bound to comply with the requirements of CEN 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 obt
14、ained on application to the CEN 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 translation under the responsibility of a CEN member into its own language and notified to CEN Central
15、 Secretariat has the same status as the official versions. CEN members are the national standards organizations of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Sta
16、ndardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels CEN 1987 Copyright reserved to all CEN members Ref. No EN 2022:1987 E.EN2022:1988 BSI 12-1999 2 Brief history This European Standard has been prepared by the European A
17、ssociation of Aerospace Manufacturers (AECMA). After enquiries and votes carried out in accordance with the rules of this Association, this draft has successively received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation
18、to CEN. According to the Common CEN/CENELEC Rules, the following countries are bound to implement this European Standard: Belgium, France, Germany, Italy, Netherlands, Spain, United Kingdom. Contents Page Brief history 2 1 Scope and field of application 3 2 References 3 3 Symbols 3 4 Required charac
19、teristics 3 5 Designation 5 6 Marking 5 7 Technical specification 5 Figure 1 without swaging groove Code S 4 Figure 2 with swaging grooves Code R 4 Table 1 4 Table 2 5EN2022:1988 BSI 12-1999 3 1 Scope and field of application This standard specifies the characteristics of spherical plain bearings in
20、 corrosion resisting steel with self lubricating liner, light series. They are intended for use in fixed or moving parts of the aircraft structure and control mechanisms. They shall be used in the temperature range 55 to+ 150 C. 2 References EN 2030, Steel FE-PM43 Hardened and tempered Bars Dk 150mm
21、 Aerospace series. EN 2064, Bearings, spherical plain in corrosion resisting steel with self lubricating liner Technical specification Aerospace series. EN 2136, Steel FE-PM42 900 MPak Rmk 1 100MPa Bars Dek 100mm Aerospace series. EN 2539, Aerospace series Steel FE-PM61-RmU 960MPa Bars De k 150mm 1)
22、 . 3 Symbols 4 Required characteristics 4.1 Dimensions Tolerances Masses Configuration shall correspond withFigure 1 orFigure 2. Dimensions, tolerances and masses shall correspond withTable 1. 4.2 Loads Starting torques Loads and starting torques shall correspond withTable 2. 4.3 Materials Inner rin
23、g:steel EN 2030 Outer ring:steel EN 2136 or steel EN 2539 Liner:Self-lubricating low friction wear resisting material consistent with requirements of EN2064. 1) In preparation. % ds = the deviation of a single bore diameter % Ds = the deviation of a single outside diameter % dmp = single plane mean
24、bore diameter deviation % Dmp = single plane mean outside diameter deviation = maximum displacement angle which can be formed by the outer ring with the inner ring the spherical track of the outer ring being fully in contact with the inner ring.EN2022:1988 4 BSI 12-1999 Table 1 Figure 1 without swag
25、ing groove Code S Figure 2 with swaging grooves Code R Detail W Dimensions in millimetres d D C B Tolerances m d 1 a K r r 1 N P R Mass Code Nominal 0,1 0 0,06 % Dmp % Ds % Dmp % Ds min. . + 0,1 0 0 0,2 + 0,1 0 in degrees . g 12 12 22 7 10 0 9 +6 15 0 8 + 3 11 14,3 17,5 20,2 0,7 0,2 11 17 15 15 26 9
26、 12 18,7 22,2 24,2 9 32 17 17 30 10 14 21,2 25,4 28,2 10 49 20 20 35 12 16 0 11 +8 19 0 10 +3 13 24,9 29,6 33,2 9 65 25 25 42 16 20 30,0 36,0 39,4 0,9 7 115 30 30 47 18 22 34,3 40,7 44,4 6 160 35 35 55 20 25 0 13 +10 23 0 12 +3 15 40,5 47,6 51,8 1,4 0,3 7 229 40 40 62 22 28 45,0 53,0 58,8 7 315 45 4
27、5 68 25 32 51,3 60,4 64,8 7 460 50 50 75 28 35 58,2 67,9 71,8 7 560 a Attention should be paid to the possible indentation of the support mountings by the inner ring bearing faces 0,8 + 0,4 0,3 0,8 0 0,3 1 + 0,5 0,4 1,2 + 0,5 0,4 1 0 0,4EN2022:1988 BSI 12-1999 5 Table 2 5 Designation Each spherical
28、plain bearing shall only be designated as in the following example: Where the following code for type is applied: R = with swaging grooves S = without swaging groove NOTEIf necessary, the originator code S9005 may be introduced between the description block and the identity block. 6 Marking In addit
29、ion to the manufacturers own marking, each spherical plain bearing shall be marked, using the identity block as defined in clause5 of this standard. Marking position and method are at the manufacturers option. 7 Technical specification Bearings, spherical plain supplied to this standard shall confor
30、m with the requirements of EN2064. d nominal mm Permissible static loads kN Permissible dynamic radial loads 25000 cycles kN Starting torques N.m radial C s axial C a axial for spherical bearings with swaging grooves after swaging a 12 40,5 1,5 1,5 16,2 0,12 to 0,80 15 66,9 5,1 5,1 26,7 17 87,4 7,1
31、7,1 34,9 20 127,3 13,7 13,7 50,9 25 216,7 28,6 22,2 86,7 0,25 to 1,00 30 262,5 38,0 26,0 105,0 0,40 to 2,00 35 348,1 49,0 32,5 139,0 40 410,2 61,2 37,5 164,1 0,60 to 3,50 45 545,5 81,9 42,0 218,2 50 695,7 105,6 47,0 278,3 a These values are given for information. The actual values obtained depend on
32、 the method of swaging.6 blankBSEN2022:1990 BSI 12-1999 National appendix A The United Kingdom participation in the preparation of this European Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/14 upon which the following bodies were represented:
33、British Independent Steel Producers Association Civil Aviation Authority (Airworthiness Division) Federation of Wire Rope Manufacturers of Great Britain Ministry of Defence Society of British Aerospace Companies Limited Stainless Steel Wire Export Group National appendix B The British Standards corr
34、esponding to the European Standards referred to in the text are identical in number and title as those given in clause2.BS EN 2022:1990 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents
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