BS EN 3286-1994 Bearings airframe rolling - Rigid single row ball bearings in corrosion resisting steel - Diameter series 0 and 2 Normal clearance category - Dimensions and loads《机.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 3286:1994 Bearings, airframe rolling Rigidsinglerow ball bearings in corrosion resisting steel Diameter series0and2 Normalclearance category Dimensionsand loads The European Standard EN3286:1994 has the status of a BritishStandard UDC 621.822.74.004.1:669.14.0

2、18.89BSEN3286:1994 This BritishStandard, having been prepared under the directionof the Aerospace Standards Policy Committee, waspublished under the authorityof the Standards Boardand comes into effect on 15September1994 BSI01-2000 The following BSI references relate to the work on this standard: Co

3、mmittee reference MCE/7 Draft for comment88/72196 DC ISBN 0 580 21888 0 Cooperating 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 Oesterre

4、ichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standard 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

5、 of Iceland Ireland National Standards Authority of Ireland Italy Ente 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

6、 de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation UnitedKingdom BritishStandards Institution Amendments issued since publication Amd. No. Date CommentsBSEN3286:1994 BSI 01-2000 i Contents Page Cooperating organizations Insid

7、e front cover National foreword ii Foreword 2 1 Scope 3 2 Normative references 3 3 Definition 3 4 Symbols 3 5 Required characteristics 4 6 Designation 6 7 Marking 6 8 Technical specification 6 National annex NA (informative) Committees responsible Inside back cover National annex NB (informative) Cr

8、oss-references Inside back cover Figure 1 4 Table 1 5BSEN3286:1994 ii BSI 01-2000 National foreword This BritishStandard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN3286:1994 Aerospace series Bearings, airframe rolling Ri

9、gid single rowball bearings in corrosion resisting steel Diameter series0 and2 Normalclearance category Dimensions and loads, published by the EuropeanCommittee for Standardization (CEN). EN3286 was produced as a result of international discussions in which the UnitedKingdom took an active part. A B

10、ritish 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 f

11、ront cover, an inside 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 STANDAR

12、D NORME EUROPENNE EUROPISCHE NORM EN3286 June1994 UDC 621.822.74.004.1:669.14.018.89 Descriptors: Aircraft industry, airframe bearings, ball bearings, corrosion resisting steel, dimensions, static loads English version Aerospace series Bearings, airframe rolling Rigid single row ball bearings in cor

13、rosion resisting steel Diameter series0 and2 Normal clearance category Dimensions and loads Srie arospatiale Roulements pour structures daronefs Roulements en acier rsistant la corrosion rigides, une range debilles Sries de diamtres0 et2 Catgorie jeux normaux Dimensions et charges Luft- und Raumfahr

14、t Flugwerklager Einreihige Rillenkugellager aus korrosionsbestndigem Stahl Durchmesserreihen0 und2 Normale Lagerluft Mae und Belastungen This European Standard was approved by CEN on1994-06-07. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions f

15、or 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 obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three officia

16、l 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 the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Bel

17、gium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, 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 Stas

18、sart 36, B-1050 Brussels 1994 Copyright reserved to CEN members Ref. No. EN3286:1994EEN3286:1994 BSI 01-2000 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this

19、Association, this standard has successively received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This standard was submitted for Formal Vote, and the result was positive. This European Standard shall be given

20、 the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December1994, and conflicting national standards shall be withdrawn at the latest by December1994. According to the Internal Regulations of CEN/CENELEC, the following countries are boun

21、dto implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom.EN3286:1994 BSI 01-2000 3 1 Scope This standard specifies the characteristics of rigid s

22、ingle row ball bearings in corrosion resisting steel of diameter series0 and2 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. The airframe rolling bearings define

23、d in this standard are used from54 C to+150 C. However, being lubricated with the following greases: very high pressure grease, ester type (code A), operational range73 C to+121 C or very high pressure grease, synthetic hydrocarbons, general purpose (code B), operational range54 C to+177 C (seeEN328

24、0), their field of application when lubricated with code A grease is limited to+121 C. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publ

25、ications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. ISO15, Roll

26、ing bearings Radial bearings Boundary dimensions General plan. ISO1132, Rolling bearings Tolerances Definitions. EN2030, Steel FE-PM43 Hardened and tempered BarsDk 150mm Aerospace series 2) . EN2226, Steel FE-PM43 Hardened and tempered Hand and die forgings D e k 150mm Aerospaceseries 2) . EN3280, A

27、erospace series Bearings, airframe rolling, rigid or self-aligning Technical specification 3) . 3 Definition bearing full complement of balls (without cage), with filling slot 4 Symbols The definitions of tolerances and clearances are given in ISO1132. 1) SeeISO15. 2) Published as AECMA standard at

28、the date of publication of this standard. 3) Published as AECMA pre-standard at the date of publication of this standard. % dmp = single plane mean bore diameter deviation % Dmp = single plane mean outside diameter deviation % ds = deviation of a single bore diameter % Ds = deviation of a single out

29、side diameter G a = axial internal clearance G r = radial internal clearance S ia = assembled bearing inner ring face runout with raceway S ea = assembled bearing outer ring face runout with raceway K ia = radial runout of assembled bearing inner ring K ea = radial runout of assembled bearing outer

30、ring F amax. = permissible static axial load C s = permissible static radial load.EN3286:1994 4 BSI 01-2000 5 Required characteristics 5.1 Dimensions Tolerances Clearances Loads Mass Configuration: seeFigure 1; the bearings are fitted with either seals or shields. Values: seeTable 1. 5.2 Surface rou

31、ghness Raceways and rolling elements: R a =0,24m Bore, side faces and cylindrical outer surface: R a =0,84m. 5.3 Materials Inner ring : EN2030 or EN2226,U 58HRC Outer ring : EN2030 or EN2226,U 58HRC Balls : EN2030,U 58HRC Shields : Corrosion resisting material Seals : Polytetrafluoroethylene (PTFE)

32、or polytetrafluoroethylene (PTFE) reinforced with fibreglass. NOTE 1The installation of seals and shields is at the manufacturers option. NOTE 2The shields shall not extend beyondC. Figure 1 EN3286:1994 BSI 01-2000 5 Table 1 Table 1 Dimensions in millimetres d B C D d 1 min. Tolerances m r Mass Kg/1

33、000parts . Code Nominal % dmp % Dmp % ds % Ds 05 5 7 5 16 7,6 4 06 6 8 6 19 8,6 9 08 8 9 7 22 10,6 0,3 to 0,8 12 10 10 10 8 26 12,6 21 12 12 28 14,7 24 15 15 11 9 32 17,7 32 17 17 12 10 35 20,2 42 20 20 14 12 42 23,5 72 25 25 47 28,6 85 30 30 15 13 55 34,1 0,3 to 1 123 d Code Internal clearances m R

34、unout tolerances max.m Starting torque in mN.m a Permissible static loads b kN Axial max. Radial Axial Radial Code Code Axial Radial G a G r S ia S ea K ia K ea P E F amax. C s 05 100 2 to13 40 40 25 40 2 4 3,1 6,8 06 2,5 5 4,2 9,2 08 3 6,5 5,4 11,8 10 4 7,5 7,7 17 12 5 8,5 8,9 19,5 15 3 to18 6 10 1

35、0,6 23,3 17 120 8 12 12,2 26,9 20 10,5 15 18,7 41,2 25 5 to20 13,5 18 21,2 46,6 30 150 19 25 28,5 62,6 a Definition, seeEN3280. b Axial and radial loads may be applied simultaneously. For ultimate static loads, seeEN3280. 0 0,12 0 0,12 0 8 + 2 10 0 8 0 9 +2 10 +2 11 +3 11 0 11 +3 14 0 10 +3 13 0 13

36、+4 17EN3286:1994 6 BSI 01-2000 6 Designation EXAMPLE: NOTEIf necessary, the codeI9005 shall be placed between the description block and the identity block. 7 Marking In addition to the manufacturers own marking, each bearing shall be marked, on one side face only, using the identity block, see6. Mar

37、king position and method are at the manufacturers option. 8 Technical specification SeeEN3280.BSEN3286:1994 BSI 01-2000 National annex NA (informative) Committees responsible The UnitedKingdom participation in the preparation of this European Standard was entrusted by the Aerospace Standards Policy

38、Committee (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 BritishStandards corresponding to th

39、e International Standards referred to in the text are as follows. International Standard Corresponding BritishStandard ISO15:1981 BS6267:1982 Specification for rolling bearings: boundary dimensions for radial bearings ISO1132:1980 BS6107 Rolling bearings: tolerances Part1:1981 Glossary of termsBS EN

40、 3286:1994 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 Charter. Revisions BritishSta

41、ndards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while usin

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