1、BRITISH STANDARD AEROSPACE SERIES BS EN 2011:1989 Specification for Bearings-airframe rolling rigid single row ball bearings in corrosion resisting steel diameter series8 and9 Dimensionsand loads This European Standard EN2011 has the status of a BritishStandard UDC 629.7.02:621.822.74.004.1:669.14.0
2、18.89BSEN2011:1989 This BritishStandard, having been prepared under the directionof the Aerospace Standards Policy Committee, waspublished under the authorityof the Board ofBSIandcomes into effect on 29September1989 BSI 12-1999 The following BSI references relate to the work on this standard: Commit
3、tee reference MCE/7 Draft for comment 76/74662 DC ISBN 0 580 17651 7 Cooperating organizations 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
4、Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark 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 Nat
5、ional Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus de Qualidade Spain Instituto Espaol de Normalizacin Sweden Standardiseringskommissionen i Sverige Switzer
6、land Association suisse de normalisation United Kingdom BritishStandards Institution Amendments issued since publication Amd. No. Date of issue CommentsBSEN2011:1989 BSI 12-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Brief history 2 Text of EN2011 3 Nationa
7、l appendix A Inside back cover National appendix B Inside back coverBSEN2011:1989 ii BSI 12-1999 National foreword This BritishStandard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN2011 “Bearings-airframe rolling rigid sin
8、gle row ball bearings in corrosion resisting steel diameter series8 and9. Dimensions and loads. Aerospace series”, published by the European Committee for Standardization (CEN). EN2011 was produced as a result of international discussion in which the UK took an active part. A British Standard does n
9、ot purport to include all the necessary provisions of a contract. Users of British 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
10、front cover, pagesi andii, theEN title page, pages2 to6, an inside back 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 EURO
11、PISCHE NORM EN 2011 June 1984 UDC 629.7.02:621.822.74.004.1:669.14.018.89 Key words: Aircraft industry, airframe bearings, ball bearings corrosion resisting steel, dimensions, static loads English version Bearings-airframe rolling rigid single row ball bearings in corrosion resisting steel diameter
12、series8 and9 Dimensions and loads Aerospace series Roulements pour structures daronefs, roulements en acier rsistant la corrosion, rigides une range de billes sries de diamtres8 et9 Dimensions et charges Srie arospatiale Luft- und Raumfahrt Flugwerklager einreihige Rillenkugellager aus korrosionsbes
13、tndigem Stahl Durchmesserreihen8 und9 Masze und Belastungen This European Standard was accepted by CEN on1984-06-21. 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 wi
14、thout any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained 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 lang
15、uage 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 members are the national standards organizations of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland,
16、Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels CEN1984 Copyright reserved to all CEN members Ref.No.E
17、N2011:1984EEN2011:1984 BSI 12-1999 2 Brief history This European Standard has been prepared by the European Association of Aerospace Constructors (AECMA). This Standard has been accepted by the European Committee for Standardization (CEN) after inquiries and votes carried out in accordance with the
18、rules of this Committee. Contents Page Brief history 2 1 Scope 3 2 Fields of application 3 3 References 3 4 Definitions 3 5 Symbols 3 6 Materials 3 7 Required characteristics 3 8 Designation 5 9 Marking 5 10 Technical specification 5 Figure 4 Table 4EN2011:1984 BSI 12-1999 3 1 Scope This standard sp
19、ecifies the characteristics, of rigid single row ball bearings of diameter series8 and9 1)designed to withstand only slow rotations and oscillations under load. They are intended for use between fixed and moving parts of the aircraft structure and their control mechanisms. 2 Fields of application Th
20、e airframe roller bearings defined in the present standard shall be used from54 to+150 C. However, being lubricated with the following greases: very high pressure grease, ester type (code A), operational range73 to+121 C or very high pressure grease, synthetic hydrocarbons, general purpose (code B),
21、 operational range54 to+177 C (refer to EN2063), their field of application when lubricated with code A grease shall be limited to+121 C. 3 References ISO15:1981, Rolling bearings Radial bearings Boundary dimensions General plan. EN2030, Steel FE-PM43, Hardened and tempered, Bars, Du 150mm. EN2063,
22、Bearings, airframe rolling Technical Specification. 4 Definitions Rigid bearings, full complement (without cage), single row, with filling slot. 5 Symbols 6 Materials Inner ring: corrosion resisting steel EN2030,W 58 HRC Outer ring: corrosion resisting steel EN2030,W 58 HRC Balls: corrosion resistin
23、g steel EN2030,W 58 HRC Shields: Corrosion resisting material. Seals: Polytetrafluoroethylene (PTFE); or polytetrafluoroethylene (PTFE) glass fibre reinforced plastic material. 7 Required characteristics 7.1 Dimensions Tolerances Clearances Loads Mass. Configuration shall correspond with the Figure.
24、 Dimensions shall correspond with the Table. Bearings can be assembled with either seals or shields. 7.2 Surface roughness. Ra=0,24m for the raceway and rolling elements. Ra=0,84m for the bore, side faces and cylindrical outer surface. 1) See ISO15. % dmp = single plane mean bore diameter deviation;
25、 % Dmp = single plane mean outside diameter deviation; C s = permissible static radial load; F amax. = permissible static axial load; Y s = coefficient of axial load.EN2011:1984 4 BSI 12-1999 Table Figure Dimensions in millimetres d D B d 1 nom. Tolerances m r Radial internal clearance m Permissible
26、 static radial load C s Mass kg/1000 parts Code Nominal % dmp % Dmp kN 10 10 22 6 13 0,3 to0,8 2 to13 10,6 11 12 12 24 15 3 to18 12,3 13 15 15 28 7 17,6 16,2 16 17 17 30 19,6 17,6 18 20 20 32 23 5 to20 17,3 20 25 25 37 28,1 21,5 23 30 30 42 33,1 24,5 26 35 35 47 38,3 6 to20 28,4 30 40 40 52 43,3 31,
27、8 38 50 50 65 53 6 to23 43,1 55 60 60 78 10 63,5 8 to28 70,0 100 F amax. = Axial and radial loads may be applied simultaneously. For ultimate static loads, see EN2063. 0 012 , 0 8 0 9 0 10 0 11 0 12 0 13 0 15 C s Y s - where Y s 22 , =EN2011:1984 BSI 12-1999 5 8 Designation Each bearing shall only b
28、e designated as in the following example: where the following codes are applied: NOTEIf necessary, the originator code S9005 may be introduced between the description block and the identity block. 9 Marking In addition to the manufacturers own marking, each bearing shall be marked, on one side face
29、only using the identity block as defined in clause8 of this standard. Marking position and method are at the manufacturers option. 10 Technical specification Bearings supplied to this standard shall conform with the requirements of EN2063. Greases Types A=ester type grease E=with seals B=synthetic h
30、ydrocarbon typegrease P=with shields6 blankBSEN2011:1989 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 MCE/7 upon which the following bodies were r
31、epresented: Advanced Manufacturing Technology Research Institute Ball and Roller Bearing Manufacturers Association Engineering Equipment and Materials Users Association Institution of Production Engineers Ministry of Defence North East Coast Institution of Engineers and Shipbuilders Society of Briti
32、sh Aerospace Companies Limited National appendix B The BritishStandards corresponding to the European and International Standards referred to in the text are identical in number and title with those given in clause3 with the exception of ISO15 for which the corresponding BritishStandard is BS6267:19
33、82 (content identical).BS EN 2011:1989 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal C
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