1、BRITISH STANDARD AEROSPACE SERIES BS EN 2009:1992 Bearings airframe rolling rigid, single rowball bearings insteel diameter series8and9 Dimensions and loads The European Standard EN2009:1984has the status of a British StandardBSEN2009:1992 This British Standard, having been prepared under the direct
2、ionof the Aerospace Standards Policy Committee, waspublished under the authorityof the Standards Boardand comes into effect on 15July1992 BSI 02-2000 The following BSI references relate to the work on this standard: Committee reference MCE/7 Draft for comment 76/74662 DC ISBN 0 580 20940 7 Cooperati
3、ng organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk
4、Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ent
5、e Nazionale Italiano di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i
6、 Sverige Switzerland Association suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date CommentsBSEN2009:1992 BSI 02-2000 i Contents Page Cooperating organizations Inside front cover National foreword ii Brief history 2 Text of EN 2009
7、3 National annex NA (informative) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back coverBSEN2009:1992 ii BSI 02-2000 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is t
8、he English language version of EN2009:1984 Bearings airframe rolling rigid, single row ball bearings in steel diameter series8and9. Dimensions and loads. Aerospace series, published by the European Committee for Standardization (CEN). EN 2009 was produced as a result of international discussions in
9、which the UnitedKingdom took an active part. A British Standard does not 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 obligatio
10、ns. 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 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 amendm
11、ent table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2009 UDC 629.7.02:621.822.74.004.1:699.14 Descriptors: Aircraft industry, airframe bearings, ball bearings, steel, dimensions, static loads English version Bearings airframe rolling rigid, single row ball bearin
12、gs in steel diameter series8and9 Dimensions and loads Aerospace series Roulements pour structures daronefs roulements en acier, rigides une range de billes sries de diamtres 8 et 9 Dimensions et charges Srie arospatiale Luft- und Raumfahrt Flugwerklager einreihigeRillenkugellager aus Stahl Durchmess
13、erreihen 8 und 9 Masse und Belastungen This European Standard was approved by CEN on1984-06-21. CEN members are bound to comply with the CEN Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date list
14、s and bibliographical references concerning such national standards 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 translation under the respon
15、sibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
16、 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 CEN 1984 Copyright reserved to CEN members Ref. No. EN 2009:1984 EEN2009:1984 BSI
17、 02-2000 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 rules of this Committee. C
18、ontents 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 4EN2009:1984 BSI 02-2000 3 1 Scope This standard specifies the characteristic
19、s, 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 The airframe roller bearings
20、 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 range 73to+121 C or very high pressure grease, synthetic hydrocarbons, general purpose (code B), operational range 54to+17
21、7 C (refer to EN2063), their field of application when lubricated with code A grease shall be limited to+121 C. 3 References ISO 15:1981, Rolling bearings Radial bearings Boundary dimensions. EN 2031, Steel FE-PL31, Hardened and tempered, Bars. EN 2063, Bearings, airframe rolling Technical Specifica
22、tion. 4 Definitions Rigid bearings, full complement (without cage), single row, with filling slot. 5 Symbols 6 Materials Inner ring: Steel EN 2031 2) , 59 to 64 HRC. Outer ring: Steel EN 2031 2) , 59 to 64 HRC. Balls: Steel EN 2031 2) , 59 to 64 HRC. Shields: Corrosion resisting material. Seals: Pol
23、ytetrafluoroethylene (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. Dimensions shall correspond with the Table. Bearings can be assembled wi
24、th either seals or shields. 7.2 Surface roughness 1) See ISO 15. % dmp = single plane mean bore diameter deviation. % Dmp = single plane mean outside diameter deviation. C s = permissible static radial load. F a max.= permissible static axial load. Y s = coefficient of axial load. 2) For new designs
25、, bearings in corrosion resisting steel should be used for preference, see EN2011. Ra = 0,2 4m for the raceway and rolling elements Ra = 0,8 4m for the bore, side faces and cylindrical outer surface.EN2009:1984 4 BSI 02-2000 Table Figure Dimensions in millimetres d D B 0 0,12 d 1 nom. Tolerances m r
26、 Radial internal clearance m Permissible static radial load C s kN Mass kg/1000 parts . Code Nominal % dmp % Dmp 10 10 22 6 13 0 8 0 9 0,3 to0,8 2 to 13 10,6 11 12 12 24 15 3 to 18 12,3 13 15 15 28 7 17,6 16,2 16 17 17 30 19,6 17,6 18 20 20 32 23 0 10 0 11 5 to 20 17,3 20 25 25 37 28,1 21,5 23 30 30
27、 42 33,1 24,5 26 35 35 47 38,3 0 12 6 to 20 28,4 30 40 40 52 43,3 0 13 31,8 38 50 50 65 53 6 to 23 43,1 55 60 60 78 10 63,5 0 15 8 to 28 70,0 100 F a max.=where Y s= 2,2 Axial and radial loads may be applied simultaneously. For ultimate static loads, see EN 2063. C s Y s -EN2009:1984 BSI 02-2000 5 8
28、 Designation Each bearing shall only be designated as in the following example: where the following codes are applied: NOTEIf necessary, the originator code S9005may be introduced between the description block and the identity block. 9 Marking In addition to the manufacturers own marking, each beari
29、ng shall be marked, on one side face 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
30、 type grease E = with seals B = synthetic hydrocarbon typegrease P = with shields6 blankBSEN2009:1992 BSI 02-2000 National annex NA (informative) Committees responsible The United Kingdom participation in the preparation of this European Standard was entrusted by the Aerospace Standards Policy Commi
31、ttee (ACE/-) to Technical Committee MCE/7 upon which the following bodies were represented: Ball and Roller Bearing Manufacturers Association Ministry of Defence Society of British Aerospace Companies Ltd. National annex NB (informative) Cross-references The British Standard corresponding to the Int
32、ernational Standard referred to in the text is as follows. International Standard Corresponding British Standard ISO 15:1981 BS 6267:1982 Specification for rolling bearings: boundary dimensions for radial bearings (Identical)BS EN 2009:1992 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandard
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