1、BRITISH STANDARD AEROSPACE SERIESBS EN 2336:2005Bearings, spherical plain in steel with assembly slots Dimensions and loadsThe European Standard EN 2336:2005 has the status of a British StandardICS 49.035g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g
2、3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIBS EN 2336:2005This British Standard was published under the authority of the Standards Policy and Strategy Com
3、mittee on 31 January 2006 BSI 31 January 2006ISBN 0 580 47223 XNational forewordThis British Standard is the official English language version of EN 2336:2005. It supersedes BS EN 2336:1990 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerosp
4、ace fasteners and fastening systems, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be fou
5、nd in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are respo
6、nsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep U
7、K interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.The BSI copyright notice displayed in this document indicates whe
8、n the document was last issued.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 2336December 2005ICS 49.035 Supersedes EN 2336:1988 English VersionAerospace
9、series - Bearings, spherical plain in steel withassembly slots - Dimensions and loadsSrie arospatiale - Rotules lisses en acier avec encochesdassemblage - Dimensions et chargesLuft- und Raumfahrt - Gelenklager aus Stahl mit Einfhrnut- Mae und BelastungenThis European Standard was approved by CEN on
10、26 October 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be
11、 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 translationunder the responsibility of a CEN member into its own language and notified to the Central S
12、ecretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Po
13、rtugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedw
14、orldwide for CEN national Members.Ref. No. EN 2336:2005: ELicensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIEN 2336:20052 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.4 4 Symbols and abbreviations5 5 Required characteristics
15、 5 6 Designation .9 7 Marking 9 8 Technical specification.9 Licensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIEN 2336:20053 Foreword This European Standard (EN 2336:2005) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AE
16、CMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given
17、the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2006, and conflicting national standards shall be withdrawn at the latest by June 2006. Attention is drawn to the possibility that some of the elements of this document may be the s
18、ubject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This European Standard supersedes EN 2336:1988. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to imp
19、lement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Ki
20、ngdom. Licensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIEN 2336:20054 1 Scope This standard specifies the characteristics of spherical plain bearings in steel, with assembly slots, with or without lubrication holes and grooves, intended for use in fixed or moving
21、parts of aircraft structure and control mechanisms. They may be used in the temperature range from 54 C to 150 C. However, as they are lubricated with the following greases (see EN 2337): ester type very high pressure grease (code letter A), operating range from 73 C to 121 C or, synthetic hydrocarb
22、on type very high pressure grease general purpose (code letter B), operating range from 54 C to 177 C. Their field of application when lubricated with grease code letter A is limited to 121 C. 2 Normative references The following referenced documents are indispensable for the application of this doc
23、ument. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1132-1, Rolling bearings Tolerances Part 1: Terms and definitions. EN 2031, Steel FE-PL31 Hardened and tempered Bars Aerospace se
24、ries. 1)EN 2337, Aerospace series Spherical plain bearings Technical specification. EN 2424, Aerospace series Marking of aerospace products. EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods. 3 Terms and definitions For the purposes of this standard, the terms and defini
25、tions given in ISO 1132-1 apply. 1) Published as AECMA Standard at the date of publication of this standard. Licensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIEN 2336:2005 5 4 Symbols and abbreviations The following symbols for tolerances are used: dmp: single plan
26、e mean bore diameter deviation ds: deviation of a single bore diameter Dmp: single plane mean outside diameter deviation Ds: deviation of a single outside diameter : angle of tilt of the outer ring with respect to the inner ring, the spherical surface of the outer ring being completely in contact wi
27、th the inner ring 5 Required characteristics 5.1 Configuration, dimensions and masses According to Figures 1 and 2 and Tables 1 and 2. The dimensions are expressed in millimetres and apply after surface treatment. 5.2 Surface roughness According to Figure 1. The values are expressed in micrometres a
28、nd apply before surface treatment. a0,4 for spherical surface with dry-film lubricant; 0,2 for non-coated surface Figure 1 Licensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIEN 2336:20056 Code letter E: Bearing without lubrication holes and groove Code letter F: Bea
29、ring with lubrication holes and groove on inner ring Code letter G: Bearing with lubrication holes and groove on outer ring Figure 2 Table 1 d B C D Tolerances m d1K r1r2 Mass code number nom. 0 0,06 0 0,25 dmpdsDmpDsmin. min.ag 05 5 06 6 6 4 14 8 10 0,3to 0,6 0,4 to 0,7 13 4 08 8 8 5 16 80135+10 13
30、 15 7 10 10 9 6 19 102+13 16 0,5 to 0,8 12 11 12 12 10 7 22 15 18 11 15 15 15 12 9 26 90156+18 22 0,5to 0,8 0,6 to 1 8 28 17 17 14 10 30 80113+20 25 10 44 20 20 16 12 35 24 29 9 60 25 25 20 16 42 29 36 7 105 30 30 22 18 47 100133+110198+34 41 145 35 35 25 20 55 39 47 0,7to 1,1 0,9 to 1,3 6 210 40 40
31、 28 22 62 45 53 285 45 45 32 25 68 50 60 7 420 50 50 35 28 75 120153+1302310+55 66 515 60 60 44 36 90 66 80 1 050 70 70 49 40 105 77 92 1 510 80 80 55 45 120 150194+1502813+88 105 1,2to 1,7 1,4 to 1,8 6 2 250 aMaximum values for the user Licensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Unc
32、ontrolled Copy, (c) BSIEN 2336:20057 Table 2 d E aE1 aF F1 F2 G G1 G2 code number nom. 0,2 0,2 0,2 0,2 0,2 + 0,1 0 + 0,1 0 + 0,1 0 05 5 06 6 08 8 10 10 12 12 Without lubrication holes and groove 15 15 1,5 2,2 1,75 17 17 2,8 2,5 20 20 2 2,9 3 3 1 2 25 25 1,5 2 4 2,5 30 30 4,5 35 35 2 2,5 5 40 40 5,5
33、3 45 45 4 6,2 1,5 3,5 50 50 2,5 2,5 4 5 3 7 2 4 60 60 6 9 2,5 5 70 70 3 4,5 10 5,5 80 80 4 3 5 8 4 12 3,5 7,5 aThree holes at intervals of 120 on the periphery. 5.3 Clearances and loads See Table 3. Licensed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIEN 2336:2005 8 T
34、able 3 Internal clearances m Permissible static loads kN axial radial max. d Code number normal code letter N reduced code letter P normal code letter N normal code letter P radialaCsaxial bCa05 12 0,68 06 16 0,9 08 26 1,5 10 45 2,3 12 60 3,2 15 90 5,55 17 110 6,95 20 160 9,85 25 270 18,15 30 30 to
35、60 1 to 30 15 8 380 25,16 35 500 30 40 630 36,66 45 820 48,1 50 40 to 80 1 to 40 20 10 1 000 60,96 60 1 600 102,76 70 2 000 127,8 80 50 to 100 1 to 50 25 15 2 600 182,8 aThese loads can only be applied at 90 with respect to the opening of the slots. bThese loads shall be applied to the outer ring fr
36、om the side opposite to the slots. 5.4 Materials Inner ring: according to EN 2031, 60 HRC to 63 HRC Outer ring: according to EN 2031, 58 HRC to 62 HRC 5.5 Surface treatment Dry-film lubricant on the spherical surface of inner or outer ring (antiscoring treatment) applied according to EN 2491. Licens
37、ed Copy: Wang Bin, na, Fri Apr 14 02:53:59 BST 2006, Uncontrolled Copy, (c) BSIEN 2336:2005 9 6 Designation EXAMPLE Description block PLAIN BEARING Identity block EN2336AP15E Number of this standard Grease code letter (see Clause 1) Internal clearances code letter (see Table 3) Diameter code number
38、d (see Table 1) Lubrication holes and grooves code letter (see Figure 2) NOTE If necessary, the code 9005 shall be placed between the description block and the identity block. 7 Marking EN 2424, style A The marking position is at the manufacturers option. 8 Technical specification See EN 2337 Licens
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