1、m 2 o m m i k I z a w a a2 O O m r. v +? Y, 5 - m E - 3 O n m m I -I I- 5 a 0 a a % a w -I a w + E w o II) U 3 w I- o 3 U I- 08 II) W o w 2 2 w w n O U 2 w z I- o v) 0 a - 5: 4 U a *“ a i Approved by COMITE DE NORMALISATION of A.E.C.M.A. 198 1-06-30 CEN PREN20LL 82 3404589 OObLL7L bTb W The equivale
2、nt versions in French and German languages can be supplied by B.N.A.E., 8, rue Moreau-Vauthier 92100 BOULOGNE-BILLANCOURT - FRANCE. A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN2011 Edition 3 February 1982 Supersedes edition 2 September 1975 ENGLISH VERSION BEARINGS-Al RFRAME ROLLING RIG
3、ID SINGLE ROW BEARINGS IN CORROSION RESISTING STEEL DIAMETER SERIES 8 AND 9 DIMENSIONS AND LOADS AEROSPACE SERIES ROU LEM ENTS POU R ST R UCTU R ES DAc RON E FS LUFT- UND RAUMFAHRT ROULEMENTS EN ACIER RESISTANT A LA CORROSION, RIGIDES, A UNE RANGEE DE BILLES SERIES DE DIAMTRES 8 ET 9 DIMENSIONS ET C
4、HARGES FLUG WE R KLAGE R EINREIHIGE RILLENKUGELLAGER AUS KORROSIONSBESTNDIGEM STAHL DURCHMESSERREIHEN 8 UND 9 M ASZE UND BEANSPRUCH UN GEN SERIE AEROSPATIALE This industrial standard for the aerospace sector has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs
5、 de Matriel Arospatial. It is published on yellow paper in three equivalent versions (English, French, German). It will be submitted to CEN (European Committee for Standardization) as a draft European Standard. CEN PREN20LL 82 3404589 OObLL72 532 CONTENTS SCOPE AND FIELD OF APPLICATION REFERENCES DE
6、FINITIONS SYMBOLS MATERIALS LUBRICATION REQUIRED CHARACTERISTICS DE C IGNAT I ON MARKING 10 TECHNICAL SPECIFICATION CEN PREN2011 82 = 3404589 OObLL73 479 W A.E .C.M.A. STANDARD prEN2011 BEARINGS-AIRFRAME ROLLING- RIGID SINGLE ROW BALL BEARINGS IN CORROSION RESISTING STEEL DIAMETER SERIES 8 AND 9- DI
7、MENSIONS AND LOADS SCOPE AND FIELD OF APPLICATION This standard specifies the characteristics of rigid single row ball bear diameter series 8 and 9 1)designed to withstand only slow rotations and o lations under load. They are intended for use between fixed and moving pa of the aircraft structure an
8、d their control mechanism. They shall be use in the temperature range - 54 to t-121“ C (grease code A) or -54 to +177“ (grease code BI. RE FE RENC E S ISO/R 1511 - 1968, Rolling bearings - Radial bearings - Boundary dimensio General plan - Part 1 : Diameter series 8,9,0,1,2,3 an EN2030, Steel FE-PM4
9、3, Hardened and tempered, Bars, D 6 150 mm. EN2063, Bearings, airframe rolling - Technical Specification. DEFINITIONS Rigid bearings, full complement (without cage) , single row, with filling SYMBOLS dmp Dmp CS = permissible static radial load; Fa max. = permissible static axial load; YS = coefficie
10、nt of axial 1oa.d. = single plane mean bore diameter deviation; = single plane mean outside diameter deviation; MATE RIALS Inner ring : corrosion resisting steel EN2030,58 HRC Outer ring : corrosion resisting steel EN2030,Z58 HRC Balls : corrosion resisting steel EN2030,)58 HRC Shields : Corrosion r
11、esisting material. Seals : Polytetrafluoroethylene (PTFE); or polytetrafluoroethylene (PTFE) rial. LUBRICATION Ester type extreme pressure grease (Code - glass fibre reinforced plastj ), or Synthetic hydrocarbon type extreme pressure grease, genera 1 use (Code BI, see EN2063. i) See ISO/R 1511. _- -
12、 CEN PREN2011 82 3404589 OObLL74 305 D 0,3 to 7 REQU I RED C HARAC TE RI S TICS 7.1 - Dimensions - Tolerances - Clearances - Loads - Mass. Configuration shall correspond with the figure, Dimensions shall correspond with the table. Bearings can be assembled with either seals or shields. I-!- 1 ,2 17,
13、6 I 17,3 I- - - - - 21,5 b- - - 3 to 18 ,- _ 5 to 20 7.2 - Surface roughness. Ra = 0,2 urn for the raceway and rolling elements. Ra = 0,8 pm for the bore, side faces and cylindrical outer surface. c, Fd .= -where Y, = 2,2 I I- I d -delNominal -D I,“ - 0,12 d B.- I Bearing with shields Code P Bearing
14、 seals Code E with FIGURE TABLE To lera nces 13 1 17,61 -8 i -9 -8 15 I O - -, IL- _._ 19.6 / I i AxiA mil radial loads mdy be doplied simultaneously Fur biltinicite static loads, see EN2063 . - . . _- . 2 - r Detail W of chamfer applicable to bore and outer surface Dimensions in millimetres Permiss
15、ible Radiai internal static radial clearance Izm I kN 2 to 13 I- 10.6 l- i 12.3 I 28,4 ! _ - 1 Gt*20 1 31.8 -. - . . i . . . Mass kg/l O00 parts sz 11 13 16 18 20 _ 23 26 30 38 55 _- CEN PRENZOLL 82 3404589 OObLL75 241 = D escrip t icn b 1 ock prEN2011 Page 5 Id en t i ty b lock Il sea Is A = code f
16、or ester type- 1 20 = diameter code grease of d (See table). where the following codes are applied : Greases Types A = ester type grease E = with seals B = synthetic hydrocarbon P = with shields type grease Note : If necessary, the originator code S 9005 may be introduced between the description blo
17、ck and the identity block. 9 MARKING In addition to the manufacturers own marking, each bearing shall be marked, on orle side face only using the identity block as defined in clause 8 of this standard. Marking position and method are at the manufacturers option. 10 TECHNICAL SPECIFICATION Bearings supplied to this standard shall conform with the requirements of EN2 063 .
