1、STD-AECMA PREN 2010-ENGL 1982 1012311 OOL1059 873 W Approved by COMITE DE NORMALISATION of A.E.C.M.A. 1981-06-30 A.E.C.M.A. STANDARD prEN201 O NORME A.E.C.M.A. Edition 3 A.E.C.M.A. NORM February 1982 Supersedea edition 2 September 1975 The equivalent versions in French and German languages can be su
2、pplied by B.N.A.E., 8, rue Moreau-Vauthier 92100 BOULOGNE-BILLANCOURT - FRANCE. ENGLISH VERSION BEARINGS-Al R FRAME ROLLING RIGID SINGLE ROW BALL BEARINGS IN STEEL CADMIUM PLATED DIAMETERS SERIES 8 AND 9 DiMENSIONS AND LOADS AEROSPACE SERIES ROULEMENTS POUR STRUCTURES DAt RON E FS LUFT- UND RAUMFAHR
3、T ROULEMENTS EN ACIER, CADMIES, RIGIDES, A UNE RANGEE DE BILLES DIMENSIONS ET CHARGES FLUGWE RKLAGER El N RE I H IGE RI LLENKUG E LLAG E R DURCHMESSERREIHEN 8 UND 9 SERIES DE DIAMTRES 8 ET 9 AUS STAH L-VER KADMET SERIE AEROSPATIALE MASZE UND BEANSPRUCHUNGEN This industrial standard for the aerospace
4、 sector has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on yell0 w paper in three equivalent versions (English, French, German). It will be submitted to CEN (European Committee for Standadizationl as a draft Europea
5、n Standard. STD*AECMA PREN 2010-ENGL 1782 101231L 001LOb0 595 M - -y- prEN2010 Page 2 CONTENTS i SCOPE AND FIELD OF APPLICATION 2 REFERENCES 3 DEFINITIONS 4 SYMBOLS 5 MATERIALS 6 PROTECTION 7 LUBRICATION 8 REQUIRED CHARACTERISTICS 9 DESIGNATION 10 MARKING 11 TECHNICAL SPECIFICATION prEN2010 Page 3 A
6、.E.C.M.A. STANDARD prE N201 O BEARINGS-AIRFRAME ROLLING - RIGID SINGLE ROW BALL BEARINGS IN STEEL CADMIUM PLATED DIAMETER SERIES 8 AND 9 - DIMENSIONS AND LOADS 1 SCOPE AND FIELD OF APPLICATION This standard specifies tEe characteristics, of rigid single row ball bearings of diameter series 8 and 9 l
7、),designed to withstand only slow rotations and oscillations under load. They are intended for use between fixed and moving parts of the air- craft structure and their control mechanisms. They shall be used in the tempe- rature range -54 to +121“ C (grease code A) or -54 to +177O (grease code E). 2
8、REFERENCES ISO/R 15/1 - 1968, Rolling bearings - Radial bearings - Boundary dimensions - General plan - Part 1 : Diameter series 8,9,0,1,2,3 and 4. EN2031, Steel FE-PL31, Hardened and tempered, Bars. EN2063, Bearings, airframe rolling - Technica 1 Specification. EN2141, Cadmium plating of steels Rm
9、1450 MPa 2). 3 DEFINITIONS Rigid bearings, full complement (without cage), single row, with filling slot. 4 SYMBOLS Adrnp Aornp CS = permissible static .radial load; Famax. Ys = coefficient of axial load; = single plane mean bore diameter deviation; = single plane mean outside diameter deviation; =
10、permissible static axial load; 5 MATERIALS Inner ring : Steel EN2031 3),59 to 64 HRC. Outer ring : Steel EN2031 3),59 to 64 HRC. Balls : Steel EN2031 3),59 to 64 HE. Shields : corrosion resisting material. Seals : Polytetrafluoroethylene (PTFE) or polytetrafluoroethylene (PTFE) fibre reinforced plas
11、tic material. I glass 6 PROTECTION Cadmium plating (passivation optional) EN2141 21, 5 to 12r-m of the inner and outer rings; the bore and raceways are not cadmium plated. 7 LUBRICATION Ester type extreme pressure grease (Code A), or Synthetic hydrocarbon type extreme pressure grease, general use (C
12、ode BI, see EN2063. I - 1) See ISO/R 15/1. 2) In preparation 3) For tiew designs, bearings in corrosion resisting steel should be used for prefe- rence, see EN2011. Perm issi ble static radial load kN CS Mass kg/1000 parts x - STD*AECMA PREN 2010-ENGL 1982 = 1012311 00110b2 3bA W prEN2010 Page 4 8 R
13、EQUIRED CHARACTERISTICS 8. I - Dimensions - Tolerances - Clearances - Loads - Mass. Configuration shall correspond with the figure. Dimensions shall correspond with the table and apply after cadmium plating. Bearings can be assembled with either seals or shields. 8.2 - Surface roughness Ra = 0,2 pm
14、for the raceway and rolling elements. Ra = 0,8 pm for the bore,side faces and cylindrical outer surface. These values apply prior to cadmium plating. 6- 1 - Bearing with shields Code P Detail W of chamfer applicable to bore and outer su riace . -. Bearing with Code E . seals I I. FIGURE TABLE Dimens
15、ions in millimetres Tolerances d 5 O - 0.12 Radial internal clearance Pm wn dl nom. dmp D 22 24 28 30 32 37 47 47 52 65 7 8 - - _._- _ -. _._I - -. Dmp O r) -I 13 71 _ .- o 17,6/ -8 _ 19.6 I I 2 to 13 3to 18 5 to 20 6 to 20 43,l 55 70,O I 100 -. - - i Ci to 23 _ 8 to 28 _ . . -. - - 13 I 15 63,s I .
16、 . . i_.-:- 1 C, - STD-AECMA PREN 2010-ENGL 1782 = L0123Ll 0011Ob3 ZTLI 9 prEN2010 Page 5 9 DESIGNATION Each bearing shall only be designated as in the following example : Description block Identity block BEARING EN2010 A 20 E E = code for type with s ea 1s A = code for ester type 20 = diameter code
17、 . of d (see table). Number of EN standard grease where the following codes are applied : Gr ea s es 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 block and
18、 the identity block. 10 MARKING In addition to the manufacturers own marking, each bearing shall be marked, on one side face only using the identity block as defined in clause 9 of this standard. Marking position and method are at the manufacturers option. 11 TECHNICAL SPECIFICATION Bearings supplied to this standard shall conform with the requirements of EN2063.
