1、BRITISH STANDARD AEROSPACE SERIES BS EN 2017:1989 Specification for Bearings-airframe rolling double row self aligning ball bearings in corrosion resisting steel diameter series2 Dimensions and loads This European Standard EN2017 has the status of a British Standard. UDC 629.7.02:621.822.7.004.1:621
2、.828:669.14.018.89BS EN2017:1989 This British Standard, having been prepared under the directionof the Aerospace Standards Policy Committee, waspublished under the authorityof the Board of BSI andcomes into effect on 29September1989 BSI 01-2000 The following BSI references relate to the work on this
3、 standard: Committee reference MCE/7 Draft for comment 76/74662 DC ISBN 0 580 17654 1 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 co
4、untries. Austria 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 Standardiza
5、tion Ireland National 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
6、 Sverige Switzerland Association suisse de normalisation United Kingdom British Standards Institution Amendments issued since publication Amd. No. Date of issue CommentsBS EN2017:1989 BSI 01-2000 i Contents Page Cooperating organizations Inside front cover National foreword ii Brief history 2 Text o
7、f EN 2017 3 National appendix A Inside back cover National appendix B Inside back coverBS EN2017:1989 ii BSI 01-2000 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN2017 “Bearings-airfr
8、ame rolling double row self aligning ball bearings in corrosion resisting steel diameter series2. Dimensions and loads. Aerospace series”, published by the European Committee for Standardization (CEN). EN2017 was produced as a result of international discussion in which the UK took an active part. A
9、 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 obligations. Summary of pages This document comprises a
10、 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 amendment table on the inside front cover.EUROPEAN S
11、TANDARD NORME EUROPENNE EUROPISCHE NORM EN 2017 June 1984 UDC 629.7.02:621.822.7.004.1:621.828:669.14.018.89 Key words: Aircraft industry, airframe bearings, self aligning bearings, ball bearings, corrosion resisting steel, dimensions, static loads English version Bearings-airframe rolling double ro
12、w self aligning ball bearings in corrosion resisting steel diameter series2 Dimensions and loads Aerospace series Roulements pour structures daronefs roulements en acier rsistant la corrosion rotule sur deux ranges de billes srie de diamtres2 Dimensions et charges Srie arospatiale Luft- und Raumfahr
13、t Flugwerklager zweireihige Pendelkugellager aus korrosionsbestndigem Stahl Durchmesserreihe2 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 thi
14、s European Standard the status of a national standard without 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 version
15、s (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 Secretariat has the same status as the official versions. CEN members are the national standards organizations of Austria, Belgi
16、um, Denmark, Finland, France, Germany, Greece, Ireland, 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 Brussel
17、s CEN1984 Copyright reserved to all CEN members Ref. No. EN 2017:1984 EEN2017:1984 BSI 01-2000 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) a
18、fter inquiries and votes carried out in accordance with the 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 4 8 Designation 6 9 Marking 6 10 Technical specification 6 Figure
19、 4 Table 5EN2017:1984 BSI 01-2000 3 1 Scope This standard specifies the characteristics, of double row self aligning ball bearings of diameter series 2 1)designed to withstand only slow rotations and oscillations under load. They are intended for use between fixed and moving parts of the aircraft st
20、ructure and their control mechanisms. 2 Fields of application The 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 range73to+121 C or very high pre
21、ssure grease, synthetic hydrocarbons, general purpose (codeB), 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 ISO 15:1981, Rolling bearingsRadial bearingsBoundary dimensionsGeneral plan. ISO/R 201:
22、1961, Rolling bearingsRadial internal clearance in unloaded radial groove type ball bearings with cylindrical bore Values. EN 2030, Steel FE-PM43, Hardened and tempered, Bars D=150mm. EN 2063, Bearings, airframe rollingTechnical Specification. 4 Definitions Self aligning ball bearings, full compleme
23、nt (without cage), double row. 5 Symbols 6 Materials Inner ring: Corrosion resisting steel EN2030,T 58HRC. Outer ring: Corrosion resisting steel EN2030,T 58HRC. Balls: Corrosion resisting steel EN2030,T 58HRC. Shields: Corrosion resisting material Seals: Polytetrafluoroethylene (PTFE); or polytetraf
24、luoroethylene (PTFE) glass fibre reinforced plastic material. 1) See ISO15. % ds = the deviation of a single bore diameter % Ds = the deviation of a single outside diameter % dmp = single plane mean bore diameter deviation % Dmp = single plane mean outside diameter deviation C s = permissible static
25、 radial load F a = bearing axial load=axial component of actual bearing load F a max = permissible static axial load F r = static radial load P or = static equivalent radial load Y s = coefficient of axial load.EN2017:1984 4 BSI 01-2000 7 Required characteristics 7.1 DimensionsTolerancesClearancesLo
26、adsMass Configuration shall correspond with theFigure. Dimensions shall correspond with theTable. Bearings can be assembled with either seals or shields. 7.2 Surface roughness R a =0,24m for the raceway and rolling elements. R a =0,84m for the bore, side faces and cylindrical outer surface. Figure E
27、N2017:1984 BSI 01-2000 5 Table Dimensions in millimetres d D C B d 1 nom. Tolerances m r Radial internal clearance Permissible static radial load C s kN Mass kg/1 000 parts . Code Nominal % dmp % Dmp % ds % Ds normal group m a group3 m a 05 5 16 8 12 7,6 0,3 to 0,8 2 to 13 10 to 20 3,7 9 06 6 19 10
28、14 8,6 5,7 14 08 8 24 15 11,1 9,1 30 10 10 30 14 20 13,6 14,1 57 12 12 32 15,4 3 to 18 13 to 23 16,1 62 15 15 35 18,5 18,8 75 17 17 40 16 22 21,2 24,3 110 20 20 47 18 24 23,6 5 to 20 15 to 25 32,6 170 F a max.=where Y s =3,2 Equivalent static radial load P or . Load P orresulting from radial and axi
29、al loads is calculated according to formula P or =F r +3,2F aand shall be less than or equal to load C sgiven in the Table, see EN2063. For ultimate static loads, see EN 2063. a See ISO/R201. 0 0,12 0 0,12 0 8 0 8 +2 10 +2 10 0 9 +2 11 0 11 +3 11 +3 14 0 10 +3 13 C s Y s -EN2017:1984 6 BSI 01-2000 8
30、 Designation Each bearing shall only be designated as in the following example: where the following codes are applied: NOTEIf necessary, the originator codeS9005 may be introduced between the description block and the identity block. 9 Marking In addition to the manufacturers own marking, each beari
31、ng shall be marked, on one side face only using the identity block as defined inclause8 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: A = ester type
32、grease B = synthetic hydrocarbon type grease Types: E = with seals P = with shields Clearances: L = internal radial clearance, group3 N = internal radial clearance, normal groupBS EN2017:1989 BSI 01-2000 National appendix A The United Kingdom participation in the preparation of this European Standar
33、d was entrusted by the Aerospace Standards Policy Committee(ACE/-) to Technical Committee MCE/7 upon which the following bodies were represented: Advanced Manufacturing Technology Research Institute Ball and Roller Bearing Manufacturers Association Engineering Equipment and Materials Users Associati
34、on Institution of Production Engineers Ministry of Defence North East Coast Institution of Engineers and Shipbuilders Society of British Aerospace Companies Limited National appendix B The British Standards corresponding to the European Standards referred to in the text are identical in number and t
35、itle with those given in clause3 with the exception of ISO15 for which the corresponding British Standard is BS6267:1982 (content identical) and ISO/R201 for which there is no corresponding British Standard.BS EN 2017:1989 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI i
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