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1、BRITISH STANDARD BS EN 4034:2007 Aerospace series Bearings, airframe rolling Double row self-aligning ball bearings with flanged outer ring in corrosion resisting steel, reduced internal radial clearance Dimensions and loads The European Standard EN 4034:2007 has the status of a British Standard ICS
2、 49.035 ? Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 4034:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2007 BSI 2007 ISBN 978
3、 0 580 56303 4 National foreword This British Standard is the UK implementation of EN 4034:2007. The UK participation in its preparation was entrusted to Technical Committee MCE/7, Rolling bearings. A list of organizations represented on this committee can be obtained on request to its secretary. Th
4、is publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London
5、South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4034 June 2007 ICS 49.035 English Version Aerospace series - Bearings, airframe rolling - Double row self- aligning ball bearings w
6、ith flanged outer ring in corrosion resisting steel, reduced internal radial clearance - Dimensions and loads Srie arospatiale - Roulements pour structures daronefs - Roulements en acier rsistant la corrosion, sur deux ranges de billes, avec bague extrieure collerette, jeu radial rduit - Dimensions
7、et charges Luft- und Raumfahrt - Flugwerklager - Kugellager aus korrosionsbestndigem Stahl Zweireihige Pendelkugellager mit Flanschauenring, reduzierte radiale Lagerluft - Mae und Belastungen This European Standard was approved by CEN on 16 March 2006. CEN members are bound to comply with the CEN/CE
8、NELEC 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 standards may be obtained on application to the CEN Management Centre or to a
9、ny 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 to the CEN Management Centre has the same status as the official versions
10、. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain
11、, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Me
12、mbers. Ref. No. EN 4034:2007: E Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Terms and definitions .4 4 Symbols and abbreviations5 5 Required cha
13、racteristics.5 6 Designation 7 7 Marking.7 8 Technical specification .8 EN 4034:2007 Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 3 Foreword This document (EN 4034:2007) has been prepared by the Aerospace an
14、d Defence Industries Association of Europe - Standardization (ASD-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 ASD, prior to its
15、 presentation to CEN. 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 December 2007, and conflicting national standards shall be withdrawn at the latest by December 2007. Attention is drawn to the
16、 possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countr
17、ies are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain
18、, Sweden, Switzerland and the United Kingdom. EN 4034:2007 Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 4 1 Scope This standard specifies the characteristics of self-aligning double row ball bearings with fl
19、anged outer ring in corrosion resisting steel, reduced internal clearance, 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. They are intended to be used in the tempe
20、rature range: 54 C to 150 C. However, being lubricated with the following greases: very high pressure grease, ester type (code A), operational range 73 C to 121 C or very high pressure grease, synthetic hydrocarbons, general purpose (code B), operational range 54 C to 177 C (see EN 3280), their fiel
21、d of application when lubricated with code A grease is limited to 121 C. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the reference
22、d document (including any amendments) applies. ISO 1132-1, Rolling bearings Tolerances Part 1: Terms and definitions. ISO 8075, Aerospace Surface treatment of hardenable stainless steel parts. EN 2030, Steel FE-PM43 Hardened and tempered Bars D 150 mm Aerospace series. 1) EN 2226, Steel FE-PM43 Hard
23、ened and tempered Hand and die forgings De 150 mm Aerospace series. 1) EN 2424, Aerospace series Marking of aerospace products. EN 3280, Aerospace series Bearings, airframe rolling, rigid or self-aligning Technical specification. 3 Terms and definitions For the purposes of this standard, the terms a
24、nd definitions given in ISO 1132-1 apply. 1) Published as ASD Standard at the date of publication of this standard. EN 4034:2007 Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 5 4 Symbols and abbreviations dmp
25、 = single plane mean bore diameter deviation Dmp = single plane mean outside diameter deviation Cs = permissible static radial load Fa max. = permissible static axial load Kea = radial runout of assembled bearing outer ring Kia = radial runout of assembled bearing inner ring 5 Required characteristi
26、cs 5.1 Dimensions Tolerances Masses Configuration : see Figure 1; the bearings are fitted with either seals or shields. Values : see Figure 1 and Table 1: values after surface treatment. 5.2 Surface roughness Rolling elements and raceways: Ra = 0,2 m Bore, side faces and cylindrical outer surface: R
27、a = 0,8 m For code T, values prior to the surface treatment 5.3 Materials Inner ring : Steel EN 2030 or EN 2226, 58 HRC Outer ring : Steel EN 2030 or EN 2226, 58 HRC Balls : Steel EN 2030, 58 HRC Shields : Corrosion resisting material Seals : Polytetrafluoroethylene (PTFE) or glass fabric reinforced
28、 polytetrafluoroethylene (PTFE) 5.4 Surface treatment Passivated ISO 8075: code T With no surface treatment: no code EN 4034:2007 Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 6 Dimensions in millimetres Type
29、 with shields Code P Type with seals Code E Key 1 230 min. The acceptance value is the maximum value for the user. NOTE 1 The installation of seals and shields is at manufacturers option. NOTE 2 The seals shall not extend beyond “B“. Figure 1 Table 1 Dimensions in millimetres Diameter d B D d1 d2 d3
30、 E F Mass Code Nominal Tolerance m g/pieces dmp Dmp 0 0,12 min. 15 15 58 16 16 0 8 0 11 33 19,6 41 34 61 20 20 0 9 13 38 24,7 46 39 74 25 25 43 28,6 51 44 1 1,5 90 32 32 0 10 0 13 14 52 38 60 55 2 2 132 EN 4034:2007 Licensed Copy: London South Bank University, London South Bank University, Wed Aug 0
31、8 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 7 5.5 Loads, starting torques and clearances See Table 2. Table 2 Permissible static loads kN Radial clearance m Radial runout tolerances max. m Starting torque a max. mN.m Swivelling torque a max. N.m Axial load Radial load With shields With sea
32、ls Diameter code Fa max. Cs Kia Kea 15 16 15,7 3 to 9 12 18 20 19 23 35 25 21,6 5 to 10 30 42 32 5,3 27,5 10 to 18 26 43 40 55 0,1 a Definition: see EN 3280. EN 3280 incorporates no test of swivelling torque. 6 Designation EXAMPLE EXAMPLE Description block BEARING Identity block EN4034A15PT Number o
33、f this standard Code letter for grease type (see Clause 1) Diameter code (see Table 1) Code for shields or seals (see Figure 1) Surface treatment (see 5.4) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 7 Marking EN 2424, style A Marking posit
34、ion and method are at manufacturers option. EN 4034:2007 Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 8 8 Technical specification EN 3280 EN 4034:2007 Licensed Copy: London South Bank University, London Sout
35、h Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI blank Licensed Copy: London South Bank University, London South Bank University, Wed Aug 08 04:03:33 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 4034:2007 BSI 389 Chiswick High Road London W4 4AL BSI British Stand
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