1、BRITISH STANDARD AEROSPACE SERIES BS EN 3054:1994 Bearings, airframe rolling Single row self-aligning roller bearings in steel, cadmium plated Dimensions and loads The European Standard EN3054:1994 has the status of a BritishStandard UDC 629.7.02:621.822.8.004.1:621.828:669.14:669.738BS EN3054:1994
2、This BritishStandard, having been prepared under the directionof the Aerospace Standards Policy Committee, waspublished under the authorityof the Standards Boardand comes into effect on 15July 1994 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference MCE/
3、7 Draft for comment88/72195DC ISBN 0 580 22410 4 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 Oesterreichisches Normungsinsti
4、tut 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 Iceland Technological Institute of Iceland
5、 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 de Normali
6、zacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation UnitedKingdom BritishStandards Institution Amendments issued since publication Amd. No. Date CommentsBSEN3054:1994 BSI 01-2000 i Contents Page Cooperating organizations Inside front cov
7、er National foreword ii Foreword 2 1 Scope 3 2 Normative references 3 3 Definition 3 4 Symbols 3 5 Required characteristics 4 6 Designation 7 7 Marking 7 8 Technical specification 7 National annex NA (informative) Committees responsible Inside back cover National annex NB (informative) Cross-referen
8、ces Inside back cover Figure 1 5 Table 1 6BS EN3054:1994 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 EN3054:1994 Aerospace series Bearings, airframe rolling Single row s
9、elf-aligning roller bearings in steel, cadmium plated Dimensions and loads, published by the European Committee for Standardization (CEN). EN3054 was produced as a result of international discussions in which the UnitedKingdom took an active part. A British Standard does not purport to include all t
10、he 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 front cover, pagesi andii,
11、theEN title page, pages2 to8, 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 EUROPISCHE NORM EN3054 April 19
12、94 UDC 629.7.02:621.822.8.004.1:621.828:669.14:669.738 Descriptors: Aircraft industry, airframe bearings, self-aligning bearings, roller bearings, steel, cadmium, dimensions, static loads English version Aerospace series Bearings, airframe rolling Single row self-aligning roller bearings in steel, c
13、admium plated Dimensions and loads Srie arospatiale Roulements pour structures daronefs Roulements en acier, cadmis, rotule, sur une range de rouleaux Dimensions et charges Luft- und Raumfahrt Flugwerklager Einreihige Tonnenlager aus Stahl, verkadmet Mae und Belastungen This European Standard was ap
14、proved by CEN on 1994-04-27. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national s
15、tandards 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 responsibility of a CEN member into its own language and notified
16、 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, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CE
17、N European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels CEN 1994 Copyright reserved to CEN members Ref. No. EN3054:1994 EEN3054:1994 BSI 01-2000 2 Foreword This European Standard has been prepared
18、 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 received the approval of the National Associations and the Official Services of the member countries of AECMA, prior
19、 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 publication of an identical text or by endorsement, at the latest by October 1994, and conflicting national standa
20、rds shall be withdrawn at the latest by October 1994. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portu
21、gal, Spain, Sweden, Switzerland, UnitedKingdom.EN3054:1994 BSI 01-2000 3 1 Scope This standard specifies the characteristics of single row self-aligning roller bearings in steel 1) , cadmium plated, designed to withstand only slow rotations, oscillations and/or swivelling under load. They are intend
22、ed for use in bell crank lever ends or at the end of rigid flight control rods for transmission purposes, before or after servo operation. The airframe rolling bearings defined in this standard are used from54 C to+150 C. However, being lubricated with the following greases: very high pressure greas
23、e, 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 (seeEN3280), their field of application when lubricated with code A grease is limited to+121 C. 2 Normative references This European S
24、tandard 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. For dated references, subsequent amendments to or revisions of any of these publications apply
25、 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 Boundary dimensions General plan. ISO1132, Rolling bearings Tolerances Definitions. EN2031, Stee
26、l FE-PL31 Hardened and tempered Bars Aerospace series 2) . EN2133, Cadmium plating of steels with maximum specified tensile strength equal to or less than1450MPa and copper and copper alloys Aerospace series 2) . EN2221, Steel FE-PL31 Hardened and tempered Hollow bars3,5mmk ak 55mm Aerospace series
27、2) . EN2222, Steel FE-PL31 Hardened and tempered Hand and die forgings Aerospace series 2) . EN3055, Aerospace series Bearings, airframe rolling Single row self-aligning roller bearings in corrosion resisting steel Dimensions and loads. EN3280, Aerospace series Bearings, airframe rolling, rigid or s
28、elf-aligning Technical specification. 3 Definition For the purposes of this standard, the following definition applies: shielded bearing full complement of rollers (without cage) EN3280 4 Symbols The definitions of tolerances and clearances are given in ISO1132. 1) For new design, use preferably bea
29、rings in corrosion resisting steel, seeEN3055. 2) Published as AECMA 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 ou
30、tside diameter G a = axial internal clearance G r = radial internal clearance K ia = radial runout of assembled bearing inner ring K ea = radial runout of assembled bearing outer ring F amax. = permissible static axial loadEN3054:1994 4 BSI 01-2000 5 Required characteristics 5.1 Dimensions Tolerance
31、s Clearances Loads Mass Configuration: seeFigure 1; the bearings are fitted with shields (code P). Values: seeTable 1; the dimensions and tolerances apply after protection. 5.2 Surface roughness Raceways and rolling elements: R a =0,24m Bore, side faces and cylindrical outer surface: R a =0,84m. The
32、 values apply prior to cadmium plating. 5.3 Materials 5.4 Surface treatment EN2133 thickness,54m to124m, on the inner and outer rings, the bore and raceways are not cadmium plated. As soon as possible after plating, and within16h de-embrittlement heat treatment shall be carried out at a temperature
33、and for a time (compatible with the performance requirements of the bearing) which shall be subject to written approval of the qualifying authorities. C s = permissible static radial load P or = static equivalent radial load F a = bearing axial load, axial component of actual bearing load F r = bear
34、ing radial load, radial component of actual bearing load. Inner ring : EN2031 or EN2221 or EN2222,59HRC to64HRC Outer ring : EN2031 or EN2221 or EN2222,59HRC to64HRC Rollers : EN2031,59HRC to64HRC Shields : Corrosion resisting material.EN3054:1994 BSI 01-2000 5 NOTEThe installation of shields is at
35、the manufacturers option. Figure 1 EN3054:1994 6 BSI 01-2000 Table 1 Dimensions in millimetres d B C D d1 min. F max. b G max. b Tolerances 4m r Mass Kg/1000 parts Code Nominal % dmp % Dmp % ds % Ds 06 6 12 8 24 11,9 10 20,5 0,3 to 0,8 21 08 8 15 10 26 12,3 13 22 37 08 a 8 30 14,3 12 25 49 10 10 16
36、12 35 16,9 13 29 70 10 a 10 20 17 72 12 12 13 40 19,9 33,5 108 15 15 24 14 47 23,9 20 40 153 17 17 15 25,9 41 163 d Code Internal clearances 4m Radial runout tolerances max.4m Starting torque c in mN.m Permissible static loads dkN Axial max. G a Radial G r K ia K ea Axial F amax. Radial C s 06 180 2
37、 to6 25 40 6 4,8 15,9 08 210 2 to7 8 6,9 22,8 08 a 12 8,4 27,8 10 16 10 32,9 10 a 12 20 13,6 45 15 3 to9 25 16,4 54,2 17 30 21 69,4 a In the designation add code1 to the end of the identity block. b Dimensions of the shields are at the manufacturers option within the limits of F and G. c Definition,
38、seeEN3280. d F r +3,3F a = P or ; P orshall bek C s . For ultimate static loads, seeEN3280. 0 0,12 0 0,12 0 8 0 9 + 2 10 +2 11 0 11 +3 14 +3 11EN3054:1994 BSI 01-2000 7 6 Designation EXAMPLE: NOTEIf necessary, the codeI9005 shall be placed between the description block and the identity block. 7 Mark
39、ing 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 SeeEN3280.8 blankBSEN3054:1994 BSI 01-2000 National annex NA (informative) Com
40、mittees 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 Ministr
41、y 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 Specificatio
42、n for rolling bearings: boundary dimensions for radial bearings ISO1132:1980 BS6107 Rolling bearings: tolerances Part1:1981 Glossary of termsBS EN 3054:1994 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishS
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