1、CEN PREN2017 82 m 3404589 0061181 545 m A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN2017 Edition 3 February 1982 Supersedes edition 2 September 1975 ENGLISH VERSION BEARINGS-AI RFRAME ROLLING DOUBLE ROW SELF ALIGNING BALL BEARINGS IN CORROSION RESISTING STEEL DIAMETER SERIES 2 DIMENSION
2、S AND LOADS AEROSPACE SERIES ROULEMENTS POUR STRUCTURES DAERONEFS LUFT- UND RAUMFAHRT ROULEMENTS EN ACIER FLUGWERKLAGER RESISTANT A LA CORROSION, A ROTULE, SUR DEUX RANGEES DE BILLES SERIE DE DIAMETRES 2 DIMENSIONS ET CHARGES SERIE AEROSPATIALE ZWEI RE I H I GE PENDEL KUG E LLAG E R AUS KORROSIONSBE
3、STNDIGEM STAHL DURCHMESSERREIHE 2 MASZE UND BEANSPRUCHUNGEN Thisindustrialstandard for the aerospace sector has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on yellow paper in three equivalent versions (English, Fren
4、ch, German). It will be submitted to CEN (European Committee for Standardization) as a draft European Standard. . Approved by The equivalent versions in French and German languages I COMITE DE NORMALISATION can be supplied by B.N.A.E., 8, rue Moreau-Vauthier 92100 BOULOGNE-BILLANCOURT - FRANCE. of A
5、.E.C.M.A. 1981-06-30 I I I CEN PREN2017 82 3404589 OObLLA2 481 m m- prEN 2017 Page 2 CONTENTS 1 SCOPE AND FIELD OF APPLICATION 2 REFERENCES 3 DEFINITIONS 4 SYMBOLS 5 MATERIALS 6 LUBRICATION 7 REQUIRED CHARACTERISTICS 8 DESIGNATION 9 MARKING 10 TECHNICAL SPECIFICATION a CEN PREN2017 82 3404589 00b118
6、3 318 prEN2017 Page 3 A.E.C.M.A. STANDARD prEN2017 BEARINGS, AIRFRAME ROLLING DOUBLE ROW SELF DIMENSIONS AND LOADS ALIGNING BALL BEARINGS IN CORROSION RESISTING STEEL-DIAMETER SERIES 2- 1 0 2 5 6 SCOPE AND FIELD OF APPLICATION This standard specifies the characteristics, of double row self aligning
7、ball bearings of diameter series 2 1) 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 shall be used in the temperature range -54 to +121 “C (grease code A) or
8、-54 to +177 “C (grease code B). 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. ISO/R 201- 1961, Rolling bearings - Xadial internal clearance in unloaded EN2030, Steel FE-PM43, Hardened and tempered, B
9、ars D L, 150 mm EN2063 , Bearings , airframe rolling - Technical Specification. DEFINITIONS Self aligning ball bearings, full complement (without cage), double row. SYMBOLS radial groove type ball bearings with cylindrical bore -Values Ads ADs bdmp PDmp = the deviation of a single bore diameter = th
10、e deviation of a single outside diameter = single plane mean bore diameter deviation = single plane mean outside diameter deviation = permissible static radial load = bearing axial load = axial component of actual bearing load = permissible static axial load = static radial load = static equivalent
11、radial load = coefficient of axial load. CS Fa Fa max Fr Por YS MATER IA LS Inner ring : Corrosion resisting steel EN2030,s 58 HRC. Outer ring .: Corrosion resisting steel EN2039 2 58 HRC. Balls : Corrosion resisting steel EN2039 2 58 HRC. Shields : Corrosion resisting material Sea Is : Polytetraf l
12、uoroethylene (PTFE); or polytetrafluoroethylene (PTFE) - glass fibre reinforced plastic material. LUBRICATI ON Ester type extreme pressure grease (Code“A1, or Synthetic hydrocarbon type extreme pressure grease, general use (Code B), see EN2063. CEN PREN2017 82 3404589 00b1184 254 m 1 . -_ - - .- - _
13、 - _ 7 KC Q t 1 KED C 1 i A KiiC TER I C T I ; C 7. 1 - Dimerisioiis - Tolerances - Clearances - Loads - Mass. CoIifiguration shall correspond with the figure. Dimensions shall correspond with the table. Bearings can be assembled with either seals or shields. 7.2 - Surface roughness. Ra Ra = 0,2 pm
14、for the raceway and rolling elements. = O,% pm for the bore, side faces and cylindrical outer surface I n Bearing with - shields Code P Detail W of chamfer applicable to bare and outar surface W Bearing with FIGURE TABLE Dimensions in millimetres - Code - 05 06 08 10 12 15 17 20 - - - - - d, II I Il
15、 Tolerances pm Nominal Admp I ADmp Ads I-s “I - 14 +2 8,6 0 -10 15 11,l o -9 - 13.6 - M- - 32 14 20 15,4 15 35 18,5 17 40 16 22 21,2 20 47 18 24 23,6 -11 -_ - 13 O - 10 - 11 CI ADS +2 - 10 +2 - 11 +3 - 14 Radial internal Permissible clearance static normal group 3 radial group Ctm load Ctm cs 11 1)
16、kN Mass kg/l O00 parts = I 3,7 I 9 I 1 141: El 16,l 62 3to I81 13to23 1 18,8 I 75 I I I I 24,3 I 110 5to201 15to251 32,6 1 170 I Equivalent static radial load Por . Load Por resulting from radial and axial loads is calculated according to formula por = Fr f 3,2 Fa and shall be less than or equal to
17、load Cs given in the table, see EN2063. For ultimate static loads, see EN2063. 1) See ISOIR 201 -. . -. . - .I . - -*& CEN PREN2017 82 3404589 0061185 290 prEN 2017 Page 5 e e 8 DESIGNATION Each bearing shall only be designated as in the following example : Description block Ident i ty block BEARING
18、 P = code for type with s hie Ids 08 =diameter code of d Number of EN standard A = code or ester.- type grease (see table ) N = code for internal radial clearance , norma 1 group where the following codes are applied : Greases : A = ester type grease B = synthetic hydrocarbon type grease Types : E =
19、 with seals r) P = with shields Clearances: L = internal radial clearance, group 3 N = internal radial clearance, normal group Note : If necessary, the originator code S 9005 may be introduced between the description block and the identity block. 9 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 8 of this standard. Marking position and method are at the manufacturers option. 1 O TEC “ICA L SPEC IF ICAT I ON Bearings supplied to this standard shall conform with the requirements of EN2063.
