1、CEN PREN2013 82 W 3409589 0007899 b W - - .- - Approved by The equivalent versions in French and German languages COMITE DE NORMALISATION can be supplied by B.N.A.E., 8, rue Moreau-Vauthier Of A. E.C.M.A. 1981 -06-30 92100 BOULOGNE-BILLANCOURT - FRANCE. L A.E.C.M.A. STANDARD NORME A.E.C.M.A. A. E.C.
2、M.A. NORM prE N2013 Edition 3 February 1982 Supersedes edition 2 September 1975 ENGLISH VERSION BEAR I NGS-AI R FRAM E ROLL I NG RIGID SINGLE ROW BALL BEARINGS IN STEEL CADMIUM PLATED DIAMETER SERIES O AND 2 DIMENSIONS AND LOADS AEROSPACE SERIES ROULEMENTS POUR STRUCTURES DAERONEFS LUFT- UND RAUMFAH
3、RT ROULEMENTS EN ACIER, CADMIES, RIGIDES, A UNE RANGEE DE BILLES DIMENSIONS ET CHARGES FLUG WER KLAG ER EINREIHIGE RILLENKUGELLAGER DURCHMESSERREIHEN O UND 2 SERIES DE DIAMTRES o ET 2 AUS STAHL-VERKADMET . SERIE AEROSPATIALE MASZE UND BEANSPRUCHUNGEN This industrial standard for the aerospace sector
4、 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 submitte to CEN (European Committee for Standardization) as a draft European Stand
5、ard. CEN PREN2013 82 m 3404589 0009895 8 w- c prEN2013 Page 2 1 2 3 4 5 6 7 8 CONTENTS SCOPE AND FIELD OF APPLICATION REFERENCES D EF IN I TI ON S SY MB OLS MATERIALS PROTECTION LUBRICATION REQUIRED CHARACTERISTICS 9 DESIGNATION 10 MARKING 11 TECHNICAL SPECIFICATION 1 2 3 4 5 prEN2013 Page 3 A.E.C.M
6、.A. STANDARD prEN2013 . BEARINGS, AIRFRAME ROLLING RIGID SINGLE ROW BALL BEARINGS IN STEEL CADMIUM PLATED DIAMETER SERIES O AND 2 DIMENSIONS AND LOADS SCOPE AND FIELD .OF APPLICATION This standard specifies the characteristics, of rigid single row ball bearings of diameter series O and 2 i) designed
7、 to withstand only slow rotations and oscil- lations 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 REFERENCES ISO/R 15/1- 1968, Rolling bearings - Radial bearings -
8、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 - Technical Specification. EN2141, Cadmium plating of steels Rm 1450 ma 2). DEFINITIONS Rigid bearings, full complement (without cag
9、e), single row, with filling slot. SYbBOLS (grease code A) or -54 to 4-177“ C (grease code BI. dc = the deviation of a single bore diameter A Ds *dmp *Dmp CS = the deviation of a single outside diameter = single plane mean bore diameter deviation = single plane mean outside diameter deviation = perm
10、issible static radial load. = permissible static axial load. = coefficient of axial load. pa max. YS MATERALS Inner ring : Steel EN20313), 59 to 64 HRC Outer ring : Steel EN20313), 59 to 64 HRC Balls : Steel EN20313), 59 to 64 HRC Shields : Corrosion resisting material. Seals : Polytetrafluoroethyle
11、ne (PTFE); or polytetrafluoroethylene (PTFE) - glass fibre reinforced plastic ma teria 1, PROTECTION . Cadmium plating (passivation optional) EN2141 outer rings; the bore and raceways are not cadmium plated. 2) ,5 to 12 ym of the innr and . LUBRICATION Ester type extreme pressure grease (Code A), or
12、 Synthetic hydrocarbon type extreme pressure grease, general use (Code B), see EN2063. TL - F I 1) See ISO/R 15/1- 2) In preparation 3) For ne1.7 designs, bearings in corrosion resisting steel should be used for pre- _-A - . _=- ference; see EN 2014. CEN PREN2013 82 W 3904589 0009897 1 W prEN2012 Pa
13、ge 4 8 REQUIRED CHARACTERISTICS 8.1 - 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 =
14、 0,2 pm 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. Bearing with shields Coda P Detail W of chamfer applicable to bore and outer surface Bearing with seals Code E FIGURE TABLE rnensions in milli
15、metres Permissible static radial load CS kN 68 Tolerances pm Radial internal clearance Ctm d Mass kgll O00 paris x 4 B O - 0,12 7 8 C O dl nom. 7,6 816 10,6 12,6 14,7 17,7 20,2 235 28,6 34,l r ADmp - 0,12 Ads +2 - 10 Admp O -8 O - 10 Code 05 06 08 10 12 15 17 20 25 - - _I ._ I_ Nominal 5 +2 - 10 +2
16、- 11 f3 - 14 -t 4 - 17 O -8 O -9 2 to 13 9 92 11,8 17,O 19.5 6 12 21 24 32 42 72 85 123 _- 9 10 Il 12 14 - 0,3 03 to +3 - 11 +3 - 13 - 23,3 26,9 3 to 18 17 20 25 I- _ 10 O - 11 O - 13 41,2 46,6 62,6 12 5 to 20 or3 to 1 - 30 30 13 15 ./= Axial and radial loads may be applied simultaneously. For ultim
17、ate static loads, see EN2063. u CEN PREN20L3 82 W prEN 2013Page 5 9 DESIGNATION Each bearing shall only be designated as in the following example : Des cri p t i on b I ock Id en ti ty block BEARING EN2013A 05 E E = code for type with s ea Is 05 = diameter code of d (see table 1 Number of EN standar
18、d A = code for ester type grease where the fallowing codes are applied : Types Gr ea s es 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 the identity block
19、. 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 SPECIPICATION Bearings supplied to this standard shall conform with the requirements of EN2 063, ,- 7- -. .- y
