1、AECMA PRENZLIib AO LOL23LL 00033Ll8 O 4 A, E. C.M. A. STAN DARD DRAFT NORME A.E.C.M.A. pr EN2496 A. E.C,M.A. NORM Edition 1 Approved by COMITE DE NORMALISATION of A.E.C.M.A. 1979-1 1-29 October 1980 The equivalent versions in French arid German languages can be supplied by B.N.A.E., 8. rue Moreau-Va
2、uthier 92100 BOULOGNE-BILLANCOURT - FRANCE. ENGLISH VERSION i BEARINGS, BALL FOR CONTROL CABLE PULLEYS DIMENSIONS AND LOADS AEROSPACE SERIES ROULEMENTS A BILLES DE COMMANDE DIMENSIONS ET CHARGES POUR POULIES DE CBLES SC R I E AEROSPATI ALE LUFT-UND RAUMFAHRT KUGELLAGER FUR SEILROLLEN FR STEUERSEILE
3、ABMESSUNGEN UND BEANSPRUCHUNGEN The texf of this standard, which exists in three equivalent versions (English, French, German) has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial) and has been circulated to Official Services. Any reserva
4、tions expressed by Official Services and not resolved in this issue, have been incorporated in the history sheet which has accompanied this prEN to GEN. It is published on yellow paper as a draft European Standard intended to receive, under the same presentation and according to its own rules, the a
5、pproval of CEN (European Committee for Standardizationl. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. _- - AECMA PREN2496 80 W LOL23LL 0003349 2 =
6、 prE92496 Page 2 CONTENTS i SCOPE AND FIELD QF . APPLICATION e 2 REFERENCES 3 SYMBOLS 4 MATERIALS 5 LUBRICATION 6 REQUIRED CHARACTERISTICS 7 DESIGNATION 8 MARKING 9 TECHNICAL SPECIFICATION Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AE
7、CMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN2476 0 W LOL231L 0003350 7 W -I - DRAFT EUROPEAN STANDARD AEROSPACE SERIES prEN2496 BEARINGS, BALL FOR CONTROL CABLE PULLEYS DIMENSIONS AND LOADS 1 SCOPE-AND FIELD OF APPLICATION prEN2496 PaEe 3 This stan
8、dard specifies the characteristics of ball bearings Eitzed with shields or seals, for aircrafi control cable pulleys, 2 REFERENCES EN2030, SteeL FE-PM43 - ,Bars EN2062, Fully non metallic bodid pulleys with bearing for control cables - Technical Specification . O 3 SYMBOLS Ods = the deviation of a s
9、ingle bore diameter = the deviation of a single outside diameter Admp = single plane mezn bore diameter deviation ODmp = single plane mean outside diameter deviation Cs = permksible static radial load 4 MATERIALS Inner ring : Outer ring : Balls Shi e Ids Seals Cage .- Steel EN2030 Steel EN2030 Steel
10、 EN2030 Corrosion resisting material Polytetrafluoroethylene (PTFE) or polytetrafluoroethylene ( FTFE?- glass fibre reinforced plastic material At the option of the manufacturer . 5 LUBRICATION Extreme pressure grease, ester type (-73 to il21 OC). Copyright Association Europeene des Constructeurs de
11、 Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- AECMA PRENZLiSb 80 m 1012313 0003353 O m prEN2496 Page 4 6 REQUIRED CHARACTERISTICS 6.1 Dimensions - Tolerances - Radial clearance - Loads - Mass Conigura
12、tion shall correspond with figure 1 or 2, Dimensions shall correspond with table 1. Bearings can be assembled with either seals or shields. DETAIL Y DETAIL i! L4 FIGURE 2 FIGURE 1 mensions in millimetres - 1 Starting torque max 1) mN.m TABLE 1 Tolerances pm - dl min 7,1 ermissi ble static radial loa
13、d CS kN Radial internal clearance CLm 1) 8 to 16 8 to 16 d CB O0 - 0,12 - 0,12 - 57 68 - lo 12 -3_ 12 14 -II 14 16 - 15 17 - 16 18 Mass 9 7z! ode I m c .- o c c_ 5 ode E Single TOW of balls without cage Single row of balls with cage 4 - 9 20 O -8 - O -8 - O -8 - O -8 05 06 - 08 6 L_ o 4-2 - 9 -10 o
14、4-2 - 9 -10 o 4-3 - 9 -11 _Ic_ - - 0 -b3 -11 -11 - +2 -11 8 to 16 8 to 16 8 ta 16 8 to 16 8 to 22 8 30 +2 - 11 t2 - 11 +3 - 14 - - I_ 4-3 - 14 - 10 - 12 - 15 - Double row of balls with cage 13,2 13,8 19,4 25,2 42,3 10 - 12 - 15 - 40 I_ 65 155 a -8 3,o 3f5 O -8 16.0 - Double raw of balls without cage
15、 1 f,7 - 65 o -8 i) Mecured on ball bearing not fittd on pitlley. . a “_ -. . Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Q AECMA PREN249b 80 W LOL
16、23LL 0003352 2 d i prEN249B Page 5 DES I GNAT I ON Each ball bearing De script shall. only be designated as in the following example : on block Identity block BEARING, BALL 1 EN2-81 Number of EN standard 08 = Code for bore d 12 = iidt h B of inner ring in P Code letter. for type with shields 2 where
17、 the following code letters are applied : P = with shields E = with seals Note - If necessary, the originator code S 9005 may be introduced between the Description block and Che Identity hlock. MARK1 NG In addition to the manufactursrs own marking, each ball bearing shall be marked using the identit
18、y block specified in clause 7 of this standard TECHNICAL SPEC I F I CAT IO N Ball, bearings supplied to this standard shall conform with the requirements of the EN2062. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
