1、e-. British Standard EN 2023 1198.9 .-I UDC 629.7.02 : 621.822.3-408.2-72,004.1 : 669.1 4.01 8.89 British Standards Institution. No part of this publication may be photocopied or otherwise reproduced without the prior permission in writing of BSI British Standard Aerospace Series : Specification for
2、 Bearings-spherical plain in corrosion resisting steel with self-lubricating liner. Normal series. Dimensions and loads Srie arospatiale. Rotules en acier rsistant la corrosion garniture autolubrifiante. Srie normale. Dimensions et charges Luft- und Raumfahrt-Reihe. Gelenklager aus korrosionsbestndi
3、gem Stahl mit selbstschmierender Beschichtung. Normale Reihe. Mae und Belastungen 0 Contents Page National foreword Front cover Brief history 2 Text of EN 2023 3 National appendix A Inside back cover National appendix B Inside back cover Cooperating organizations Back cover National foreword This Br
4、itish Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is th English language version of EN 2023 Aerospace series. Bearings, spherical plain in corrosion resisting steel with self- lubricating liner. Normal series. Dimensions and loads, published by the
5、European Committee for Standardization (CENI. EN 2023 was produced as a result of international discussion in which the UK took an active part. Compliance with a British Standard does not of itself confer immunity from legal obligations. This European Standard EN 2023 has the status of a British Sta
6、ndard. O British Standards Institution 7 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM e EN 2023 January 1988 UDC : 629.7.02 : 621.822.3-408.2-72.004.1 : 669.1 4.01 8.89 Key words : Aircraft industry, spherical bearing, corrosion resisting steel, linings, self-lubricating parts, dimensions, load
7、s. English version Aerospace series Bearings, spherical plain in corrosion resisting steel with self-lubricating liner Normal series Dimensions and loads Srie arospatiale Luft- und Raumfahrt Srie normale Normale Reihe Rotules en acier rsistant la corrosion garniture autolubrifiante Dimensions et cha
8、rges Gelenklager aus korrosionsbestandigem Stahl mit selbstschmierender Beschichtung MaPe und Belastungen ThisEuropean Standardwasaccepted byCENon 1987-1 1-1 6.CEN membersarebound to comply with the requirements of CEN Internal Regulations which stipulate the conditions for giving this European Stan
9、dard the status of a national standard without any alteration. Up-to-date lists and bibliographical referencesconcerning such national standards may beobtainedon application to the CEN Central Secretariat or to any CEN member. This European Standard exists in three official versions(English, French,
10、 German). Aversion in any other language made by translation under the responsibility of a CEN member into its own language and notified to CEN Central Secretariat has the same status as the official versions. CEN meinbers are the national standards organizations of Austria, Belgium, Denmark, Finlan
11、d, France, Germany, Greece, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat : Rue Brderode 2, B-.I O00 Bruxelles CEN 1987 Copyrig
12、ht reserved to all CEN members 0 Ref. Nr EN 2023 : 1987 E , -c CEN EN*2023 83 m 3404587 0003228 b m EN 2023 Page 2 Br,df history This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After enquiries and votes carried out in accordance with the rules
13、 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 to C.E.N. According to the Common CEN/CENELEC Rules, following countries are bound to implement this European Sta
14、ndard: Belgium, France, Germany, Italy, Netherlands, Spain, United Kingdom. I I -i 1 Scope and field of application This standard specifies the characteristics of spherical plain bearings in corrosion resisting steel with self lubricating liner, normal series, They are intended for use in fixed or m
15、oving parts of the aircraft st.ructure and control mechanisms. They shall be used in the temperature range -55 to 1150 OC. 2 References EN 2030, Steel FE-PM43 - Hardened and tempered - Bars D - 12 105,l 18,6 10.5 15 1256 20.4 12,5 17 144.9 24,3 13,2 5 20 191,l 30,7 17,O m 25 49 1.4 93.2 31.5 O 30 54
16、8,6 109.7 36.0 623,6 118.5 39,5 35 40 701,3 37,O 42,O 45 846.2 157.0 48.0 50 994.5 178.2 52.5 VI - e L m C m - i z tu L QJ M o) U .- d E z - EN 2023 Page 5 Permissible Starting dynamic radial loads torques 25000 cycles 1 N.m kN - 0,08to0,50 7,4 10,7 0,12 to 0,80 17.4 27,3 96,l 0.25 to 1,00 122,8 155
17、.6 0,40 to 2,OO 16,O 0,oa to 0,50 16,6 25,2 42,O 0,12 to 0,80 50,2 . 58,O 76,4 196.5 0,25 to 1,OO 219.5 0,40 to 2,OO 249,5 280.5 338.5 0,60 to 3,50 397.8 I) These values are given for information. The actual values depend on the method of swaging. 5 Designation Each spherical plain bearing shall onl
18、y be designated as in the following example : Description block Identity block SPHERICAL PLAIN EN2 O 2 3 S E S = Code for type without swaging groove (See figure 2) Number of EN standard 06 = Code diameter d (See table 1) E = Code for narrow normal series Where the following codes for type are appli
19、ed : R = with swaging grooves S = without swaging groove E = narrow normal series L = wide normal series Note : If necessary, the originator code S9005 may be introduced between the description block and the identity block. r -F- , P- CEN EN*2023 B H 3LiOLi587 0003232 B W a- . . EN 2023 Page 6 6 Mar
20、king In addition to the manufacturers own marking, each spherical plain bearing shall be marked, using the identity block as defined in clause 5 of this s tandard, Marking position and method are at the manufacturers option. 7 Technical specification Bearings, spherical plain supplied to this standa
21、rd shall conform with the requirements of EN 2064. British Standard EN 2023 : 1989 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 followin
22、g bodies were represented: 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
23、 The British Standards corresponding to the European Standards referred to in the text are identical in number and title with those given in clause 2. .CEN EN*K2023 87 Amd. No. This British Standard, having been prepared under the direction of the Aerospace Standards Policy Committee, was published
24、under the authority of the Board of BSI and comes into effect on 29 September 1989 O British Standards Institution, 1989 ISBN O 580 17620 7 The following BSI references relate to the work on this standard: Committee reference ACE114 Draft for comment 87/76993 DC. Date of issue Text affected British
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28、e course of W 3404589 0003234 1 W British Standard EN 2023 : 1989 implementing the standard, of necessary details such as symbols and size, type or grade designations. Enquiries should.be addressed to the Publications Manager, BSi, Linford Wood, Milton Keynes MK14 6LE. The number for telephone enqui
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32、s, revisions, amendments and withdrawn standards. Any person who, when making use of a British Standard, encounters an inaccuracy or ambiguity, is requested to notify BSi without delay in order that the matter may be investigated and appropriate action taken. Cooperating organizations The European C
33、ommittee for Standardization, under whose supervision this European Standard was prepared, comprises the national standards organizations of the following Western European countries. Austria Belgium Denmark Finland France Germany Greece Ireland Italy Netherlands Norway Portugal Spain Sweden Switzerl
34、and United Kingdom Oesterreichisches Normungsinstitut Institut belge de normalisation Dansk Standardiseringsraad Suomen Standardisoimisliito, ray. Association francaise de normalisation Deutsches Institut fr Normung e.V. Hellenic Organization for Standardization National Standards Authority of Irela
35、nd Ente Nazionale Italiano di Unificazione Nederlands Normalisatie-instituut Norges Standardiseringsforbund Instituto Portugus de Qualidade Instituto Espaol de Normalizacin Standardiseringskommissionen i Sverige Association suisse de normalisation British Standards Institution . British Standards Institution . 2 Park Street London W1A 2BS - Telephone 01-629 9000 Telex 266933 I -. 8909-4-1 .I k-B F
