1、BRITISH STANDARD AEROSPACE SERIES BS EN 3289:1994 Bearings, airframe rolling Double row self-aligning ball bearings in corrosion resisting steel Diameter series2 Dimensions and loads The European Standard EN3289:1994 has the status of a BritishStandard UDC 629.7.02:681.822.7.004.1:681.828:669.14.018
2、.89BSEN3289:1994 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: Comm
3、ittee reference MCE/7 Draft for comment88/72196 DC ISBN 0 580 21891 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 Oesterreic
4、hisches 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 o
5、f 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 d
6、e Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation United Kingdom BritishStandardsInstitution Amendments issued since publication Amd. No. Date CommentsBSEN3289:1994 BSI 01-2000 i Contents Page Cooperating organizations Inside
7、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) Cros
8、s-references Inside back cover Figure 1 4 Table 1 5BSEN3289:1994 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 EN3289:1994 Aerospace series Bearings, airframe rolling Doub
9、le row self-aligning ball bearings in corrosion resisting steel Diameter series2 Dimensions and loads, published by the European Committee for Standardization (CEN). EN3289 was produced as a result of international discussions in which the United Kingdom took an active part. A British Standard does
10、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 front cover, an inside
11、 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 EUR
12、OPISCHE NORM EN3289 June1994 UDC 629.7.02:681.822.7.004.1:681.828:669.14.018.89 Descriptors: Aircraft industry, airframe bearings, self-aligning bearings, ball bearings, corrosion resisting steel, dimensions, static loads English version Aerospace series Bearings, airframe rolling Doublerow self-ali
13、gning ball bearings in corrosion resisting steel Diameter series2 Dimensions and loads Srie arospatiale Roulements pour structures daronefs Roulements en acier rsistant la corrosion, rotule, sur deux ranges de billes Sries de diamtres2 Dimensions et charges Luft- und Raumfahrt Flugwerklager Zweireih
14、ige Pendelkugellager aus korrosionsbestndigem Stahl Durchmesserreihe2 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 for giving this European Standard the status of
15、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 official versions (English, French, German). A version
16、 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, Belgium, Denmark, Finland, France, Germany, Greece
17、, Iceland, Ireland, Italy, Luxembourg, 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 de Stassart 36, B-1050 Brussels 1994 Copyright reserv
18、ed to CEN members Ref. No. EN3289:1994 EEN3289:1994 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 Association, this standard has successively r
19、eceived 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 the status of a national standard, either by
20、 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 CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria,
21、Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom.EN3289:1994 BSI 01-2000 3 1 Scope This standard specifies the characteristics of double row self-aligning ball bearings in corrosion resi
22、sting steel of diameter series2 1)designed to withstand only slow rotations, oscillations and/or swivelling under load. They are intended for use between fixed and moving parts of the aircraft structure and their control mechanisms. The airframe rolling bearings defined in this standard are used fro
23、m54 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 (see EN3280), their field of application
24、 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 publications are listed hereafter.
25、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, Rolling bearings Radial bearings Bo
26、undary dimensions General plan. ISO1132, Rolling bearings Tolerances Definitions. EN2030, Steel FE-PM43 Hardened and tempered Bars Dk 150mm Aerospace series 2) . EN2226, Steel FE-PM43 Hardened and tempered Hand and die forgings D e k 150mm Aerospace series 2) . EN3280, Aerospace series Bearings, air
27、frame rolling, rigid or self-aligning Technical specification. 3 Definition For the purposes of this standard, the following definition applies: bearing full complement of balls (without cage) 4 Symbols The definitions of tolerances and clearances are given in ISO1132. 1) See ISO15 2) Published as A
28、ECMA 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 outside diameter G a = axial internal clearance G r = radial intern
29、al clearance K ia = radial runout of assembled bearing inner ring K ea = radial runout of assembled bearing outer ring F amax. = permissible static axial load C s = permissible static radial load P or = static equivalent radial load F a = bearing axial load, axial component of actual bearing load F
30、r = bearing radial load, radial component of actual bearing load.EN3289:1994 4 BSI 01-2000 5 Required characteristics 5.1 Dimensions Tolerances Clearances Loads Mass Configuration: see Figure 1; the bearings are fitted with either seals or shields. Values: see Table 1. 5.2 Surface roughness Raceways
31、 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 EN2221 or EN2222,U 58HRC Balls : EN2030,U 58HRC Shields : Corrosion resisting material Seals : Polytetrafluoroethylene (PTFE) or po
32、lytetrafluoroethylene (PTFE) reinforced with fibreglass. NOTEThe installation of seals and shields is at the manufacturers option. Figure 1 EN3289:1994 BSI 01-2000 5 Table 1 Table 1 Dimensionsinmillimetres d B C D d1 min. F max. a G max. a Tolerances 4m r Mass Kg/1000 parts Code Nominal % dmp % Dmp
33、% ds % Ds 05 5 12 8 16 7,6 10 12 0,3 to 0,8 9 06 6 14 10 19 8,6 12 14,4 14 08 8 15 24 11,1 13 19,8 30 10 10 20 14 30 13,6 17 24 57 12 12 32 15,4 26,5 62 15 15 35 18,5 30 75 17 17 22 16 40 21,2 19 34 110 20 20 24 18 47 23,6 20 39,7 170 d Code Internal clearances 4m Runout tolerances radial max. 4m St
34、arting torque binmN.m Permissible static loads c kN Axial max. G a Radial G r Special group Code R Normal group Code N Group 3 Code L Special group Code R Normal group Code N Group 3 Code L K ia K ea Code P Code E Axial F amax. Radial C s 05 70 100 2 to 6 2 to 13 10 to 20 25 40 4 8 1,2 3,7 06 4,5 9
35、1,8 5,7 08 80 2 to 7 5,5 10 2,8 9,1 10 120 7,5 12 4,4 14,1 12 3 to9 3 to18 13 to23 9 14 5 16,1 15 12 18 5,9 18,8 17 160 18 25 7,6 24,3 20 180 5 to10 5 to20 15 to25 23 35 10,2 32,6 a Dimensions of the shields are at the manufacturers option within the limits of F and G. b Definition, see EN3280. c F
36、r +3,2F a= P or ; P orshall bek C s . For ultimate static loads, seeEN3280. 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 13EN3289:1994 6 BSI 01-2000 6 Designation EXAMPLE: NOTEIf necessary, the codeI9005 shall be placed between the description block and the identity blo
37、ck. 7 Marking In addition to the manufacturers own marking, each bearing shall be marked, on one side face only, using the identity block, see6. Marking position and method are at the manufacturers option. 8 Technical specification See EN3280.BSEN3289:1994 BSI 01-2000 National annex NA (informative)
38、 Committees responsible 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 represented: Ball and Roller Bearing Manufacturers Association Min
39、istry of Defence Society of British Aerospace Companies Ltd. National annex NB (informative) Cross-references The BritishStandards corresponding to the International Standards referred to in the text are as follows. International Standard Corresponding BritishStandard ISO15:1981 BS6267:1982 Specific
40、ation for rolling bearings: boundary dimensions for radial bearings ISO76:1987 BS5645:1987 Specification for static load ratings for rolling bearings ISO1132:1980 BS6107 Rolling bearings: tolerances Part1:1981 Glossary of termsBS EN 3289:1994 BSI 389 Chiswick High Road London W4 4AL BSIBritishStanda
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