1、AECMA STANDARD NORME AECMA AECMA NORM prEN 4539-2 Edition P 1 November 2001 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.035 Descriptors: ENGLISH VERSION Aerospa
2、ce series Bearings, spherical plain, in corrosion resisting steel with self-lubricating liner Elevated load under low oscillations Wide series Dimensions and loads Inch series Srie arospatiale Rotules, en acier rsistant la corrosion garniture autolubrifiante charge leve sous faibles oscillations Sri
3、e large Dimensions et charges Srie en inches Luft- und Raumfahrt Gelenklager, aus korrosionsbestndigem Stahl mit selbstschmierender Beschichtung Hohe Belastung ohne Montagenut Breite Reihe Mae und Belastungen Inch Reihe This “Aerospace Series“ Prestandard has been drawn up under the responsibility o
4、f AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this
5、 Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of AECMA-STAN it will be submitted as a draft European Standard
6、 to CEN (European Committee for Standardization) for formal vote. - Nota - Extra coDies can be SuDolied bv B.N.A.E. - Technopolis 54 - 199, rue JeamJacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX I Edition approved for publication 2001-11-30 Comments should be sent within six months after the dat
7、e of Dublication to I Mechanical Domain AECMA-STAN Gulledelle 94 8-1200 BRUXELLES Mr Feltharn Page 2 prEN 4539-2: 2001 Blank page Page 3 prEN 4539-2: 2001 1 Scope This standard specifies the characteristics of spherical plain bearing in corrosion resistant steel, with self-lubricating liner, wide se
8、ries, elevated load under low oscillations applications. They shall be used in the temperature range - 55 “C to 163 “C. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate
9、 places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication
10、referred to applies. IS0 1132-1 IS0 8075 EN 2030 EN 2132 EN 2424 EN 3161 EN 4540 Rolling bearings -Tolerances - Part 1: Terms and definitions Aerospace - Surface treatment of hardenable stainless steel parts Steel FE-PM43 - Hardened and tempered - Bars D I 150 mm - Aerospace series 1) Electrodeposit
11、ion of chromium for engineering purposes - Aerospace series 1) Aerospace series - Marking of aerospace products Aerospace series - Steel FE-PM3801 (X5CrNiCul7-4) - Air melted - Solution treated and precipitation treated - Bar - a or D I 200 mm - R, 2 930 MPa 2) Aerospace series - Bearings, spherical
12、 plain, in corrosion resisting steel with self-lubricating liner - Elevated load under low oscillations - Technical specification 2) 3 Symbols and definitions The tolerance definitions are given in IS0 11 32-1. Admp = Ads = ADmp = ADS = a= 4 4.1 single plane mean bore diameter deviation deviation of
13、 a single bore diameter single plane mean outside diameter deviation deviation of a single outside diameter angle of tilt of the outer ring with respect to the inner ring, the spherical surface of the outer ring being completely in contact with the inner ring. Required Characteristics Configuration,
14、 dimensions, tolerances and masses See figures 1 and 2 and table 1. The dimensions are expressed in millimeters and apply after surface treatment. 4.2 Surface roughness See figures 1 and 2. The values are expressed in micrometers and apply before surface treatment. 1) Published as AECMA Standard at
15、the date of publication of this standard 2) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 4539-2: 2001 Figure 1 : Bearing without swaging groove, code S Figure 2 : Bearing with swaging grooves, code R Page 5 prEN 4539-2: 2001 t3 - 13 - +3 - 15 O - 13 ,: .“ 18
16、,9731 26,9751 27,6 I 0,432 21.462131,25 131.77 I Minimum projected surface area rnm2 913 98,32 148,9 187,4 245.6 Starting torques N.m 0,06 0,56 0,l I 0,56 D Code 03 04 05 Permissible static loads kN Radial hiai a CS CS 40,03 7,87 41.81 7.29 10 12 14 16 173,48 27,26 232,64 34,38 299,36 48,04 609,40 8
17、5.85 Table 1 I d BCD Tolerances - r - 0,38 to 0,635 I 8.3061 15.8751 762 13487 143 1 I I I 0.7 1 0s:027 I I 0,305 t 0,254 8,052 17,462 1-1 9,144 15,062 15,875 11,836 17,449 18,O 13,4 19,837 21,26 15,417 22,225 22,86 18,313 25,4 26,03 27 0,889 lo 36 0,508 to 0,762 - 0,762 to 1,016 - I I I tn 1,016 12
18、“ 22,225 I I I 25,273 34,925 38,12 32,23 47,625 50,82 1,4 20 131,75 I38,l 128,702) 60,325 24 138.1 142,8491 31,0641 68,260 37,15 53,161 57.23 44,45 60,412 65,16 0,254 49,9 67,868 73,l 58,166 74,611 79,45 O.:a8 Attention should be paid to the possible indentation of the support mountings by the inner
19、 ring bearing faces. Maximum values for the user. I 4.3 Loads and starting torques See table 2. Table 2 Permissible dynamic radial loads 25 O00 cycles kN 21,8 26,88 36,98 52,29 06 I 6034 07 I 92,07 I 16,23 08 I 95,23 I 22,19 66,53 o9 I 153,Ol I 23,88 80,54 294,2 -1 90,ll 333,7 I I 16,59 428,6 I 0,23
20、 -+-I 099 149,52 250,31 295,57 367,12 20 I 568,40 I 115,91 1404,3 24 I 706,OO I 137,73 0,23 0,18 28 I 859,44 I 161,75 445,6 32 I 996.16 I 180.00 51 8 2 445,2 a These values apply to bearings without staking groove. For bearings with staking groove, the push-out loads may be smaller than these values
21、. The projected surface area values are given to determine for each bearing size the duty cycle loads. This value may be limited by the bolt strength The duty cycles are defined in the technical specification EN 4540. Page 6 prEN 4539-2: 2001 4.4 Materials and surface treatments Inner ring: steel EN
22、 2030, hardness 55 HRC to 62 HRC Outer ring: steel EN 3161, hardness 28 HRC to 37 HRC before swaging Liner: self-lubricating low friction wear resistant material consistent with the requirements of EN 4540 4.5 Surface treatment at the convenience of the bearing manufacturer to fulfil the requirement
23、s of the dimensional standard and of the technical specification (see IS0 8075). Surface treatment on the inner ring 5 Designation EXAMPLE: Description block Identity block BEARING EN4539-212 Number of this standard Diameter code (see table 1) Technology code ! Where the following technology codes a
24、re applied: - code A, bonded liner technology; - code B, injected or moulded liner technology; - without code, both technologies can be used at users convenience NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 6 Marking EN 2424, style A The marking position is at the manufacturers option. Bearings ordered without technology code shall be delivered marked in accordance with its technology code. 7 Technical specification EN 4540
