1、ASD STANDARD NORME ASD ASD NORM prEN 4539-003 Edition P 1 February 2010 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.orgICS: Descriptors: ENGLISH VERSION Aer
2、ospace series Bearings, spherical plain, in corrosion resisting steel with self-lubricating liner elevated load under low oscillations Wide series Dimensions and loads Part 003: Inch series with low friction coefficient Srie arospatiale Rotules, en acier rsistant la corrosion garniture autolubrifian
3、te charge leve sous faibles oscillations Srie large Dimensions et charges Partie 003 : Srie en inches avec coefficient bas de friction Luft- und Raumfahrt Gelenklager, aus korrosionsbestndigem Stahl mit selbstschmierender Beschichtung Hohe Belastung, gering Oszillierend Breite Reihe Mae und Belastun
4、gen Teil 003: Inch Reihe mit niedrigen Reibungskoeffizienten This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It
5、 has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of th
6、e standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implem
7、ent the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 28 February 2010 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain C
8、opyright 2010 by ASD-STAN prEN 4539-003:2010 (E) 2 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Symbols and definitions .4 4 Required characteristics.4 5 Designation . 10 6 Marking 10 7 Technical specification 10 Foreword This standard was reviewed by the Domain Technical Coordinator
9、 of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4539-003:2010 (E) 3 1 Scope This standard specifies the characteristics of bearings,
10、spherical plain in corrosion resisting steel with self-lubricating liner, elevated load under low oscillations, with low friction coefficient, wide series, inch series. They shall be used in the temperature range 54 C to 120 C. 2 Normative references The following referenced documents are indispensa
11、ble for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2030, Steel FE-PM43 Hardened and tempered Bars D 150 mm Aerospace series1)EN 2133, Aerospace se
12、ries Cadmium plating of steels with specified tensile strength 1 450 MPa, copper, copper alloys and nickel alloys EN 2424, Aerospace series Marking of aerospace products EN 3161, Aerospace series Steel FE-PM3801 (X5CrNiCu17-4) Air melted Solution treated and precipitation treated Bar a or D 200 mm R
13、m 930 MPa EN 4540, Aerospace series Bearings, spherical plain, in corrosion resisting steel with self-lubricating liner Elevated load under low oscillations Technical specification 2)ISO 1132-1, Rolling bearings Tolerances Part 1: Terms and definitions TR 4475, Aerospace series Bearings and mechanic
14、al transmissions for airframe applications Vocabulary 3)AMS-QQ-C-320, Chromium Plating (Electrodeposited) 4) 1) Published as ASD-STAN Standard at the date of publication of this standard. 2) Published as ASD-STAN Prestandard at the date of publication of this standard. 3) Published as ASD-STAN Techn
15、ical Report at the date of publication of this standard. 4) Published by: Society of Automotive Engineers (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001, USA. prEN 4539-003:2010 (E) 4 3 Symbols and definitions For the purposes of this document, the symbols and definitions given in ISO 1132
16、-1 and the following apply. Maximum angle of tilt of the outer ring with respect to the inner ring, with the spherical surface of the outer ring being completely in contact with the inner ring. Ca Permissible static axial load. Cs Permissible static radial load. C250 Permissible dynamic radial load
17、by 250 000 cycles. dmp Single plane mean bore diameter deviation. Dmp Single plane mean outside diameter deviation. ds Deviation of a single bore diameter. Ds Deviation of a single outside diameter. The definition and vocabulary, see TR 4475. 4 Required characteristics 4.1 Configuration, dimensions,
18、 tolerances and mass See Figures 1 and 2 and Table 1. The dimensions are expressed in millimetres 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. prEN 4539-003:2010 (E) 5 0,25 Y0,2X0,8Y D0,80,2
19、3,2B d d1Cb)0,80,8WTa)r3 x 45 2Wr1 x 45 2c)0,12 X15max.SKd)aTFE liner bCadmium plated cSet back dSpherical diameter Figure 1 Bearing without swaging grooves, code “S” prEN 4539-003:2010 (E) 6 aSet back bSwaging groove cTFE liner dCadmium plated eSpherical diameter Figure 2 Bearing with swaging groov
20、es, code “R” prEN 4539-003:2010 (E) 7 Table 1 Dimensions, tolerances and mass Diameter d D Limit deviation B C d1K N Diameter code admp ds Dmp Ds 0 0,06 0,1 min. Ref. 0,1 0,2 03 4,826 04 6,350 15,875 8,31 7,620 13,487 14,30 05 7,937 17,462 11,10 8,05 9,144 14,275 15,88 06 9,525 20,637 12,70 10,31 11
21、,836 17,449 18,08 07 11,113 23,812 14,28 11,23 13,640 19,837 21,26 08 12,700 25,400 15,88 12,83 15,417 22,225 22,86 09 14,288 28,575 17,45 13,61 18,313 25,400 26,03 10 15,875 30,163 19,05 14,40 18,973 26,975 27,60 12 19,050 34,925 16,00 21,462 30,940 31,77 14 22,225 41,275 0,003 0,013 22,23 19,18 25
22、,273 34,925 38,12 16 25,400 53,975 34,93 25,53 32,230 47,625 50,82 20 31,750 60,325 38,10 28,70 37,150 53,161 57,23 24 38,100 68,260 42,85 31,06 44,450 61,850 65,16 28 44,450 76,200 46,02 33,45 49,900 67,868 73,10 32 50,800 82,550 0 0,013 0,003 0,015 0 0,013 0,003 0,015 49,19 35,05 58,166 76,210 79,
23、45 U r1r2 r3 r4 b1 2 P T Mass g/piece Diameter code amax. max. min. 0,5 0,5 0 0,25 max. 03 04 15 20 14 05 0,127 to 0,305 0,381 to0,635 14 0,70 0,8 18 06 8 27 07 10 36 08 9 0,9 45 09 10 61 10 0,508 to0,762 12 0,90 1,0 77 12 13 109 14 6 159 16 0,254 to 0,432 440 20 12 1,40 500 24 13 700 28 900 32 0,12
24、 0,127 to 0,381 0,254 to 0,508 0,762 to1,016 0,12 12 30 30 1,50 1,1 1 050 aThe diameter code corresponds to bore diameter d in 1/16 inch. bThe acceptance value is the maximum value for the user. prEN 4539-003:2010 (E) 8 4.3 Loads and starting torques See Table 2. Table 2 Loads and starting torques S
25、tatic limit loads akN Dynamic radial loads 250 000 cycles bProjected surface area c Starting torques Diameter code Radial dCsAxial e fCakN mm2Nm 03 11,1 g0,06 0,56 04 24,4 h 7,47 9,4 91,5 05 33,9 6,98 10,1 98,32 06 51,3 11,5 15,3 148,9 07 64,6 13,6 19,3 187,4 08 84,6 17,8 25,3 245,6 09 101,4 20,0 30
26、,3 294,2 10 115,0 22,4 34,4 333,7 12 147,7 27,7 44,1 428,6 14 203,3 39,8 60,8 589,9 16 381,2 70,5 114,0 1106,8 0,11 to 0,90 20 484,1 89,1 144,6 1404,3 24 598,8 104,4 179,0 1738,5 28 728,6 121,1 217,9 2115,2 32 842,3 132,9 215,8 2445,2 0,23 to 1,50 aDefinition and testing for permissible and ultimate
27、 static loads according to EN 4540. bPermissible surface pressure 100 MPa. cThe projected surface area values are given to determine for each bearing size the duty cycle loads.dPermissible surface pressure 344 MPa. eThese values apply to bearings without swaging groove. For installed bearings with s
28、waging groove, the push-out loads may be smaller than these values. fPermissible surface pressure 138 MPa. gPermissible surface pressure 120 MPa. hPermissible surface pressure 266 MPa prEN 4539-003:2010 (E) 9 4.4 Materials Inner ring: steel EN 2030, hardness 55 HRC to 62 HRC. Outer ring: steel EN 31
29、61, 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 Without code: ball (inner ring) chrome plated on spherical diameter per AMS-QQ-C-320 class 2. Code Z: cadmium plating on oute
30、r race per EN 2133. Without swaging groove Code S: Ball (inner ring) chrome plated on spherical diameter per AMS-QQ-C-320 class 2 min. 8 m to 13 m thick. Cadmium plating of outer ring: 5 m to 8 m (0.2 in to 0.3 in) according to EN 2133. Cylindrical surface area and chamfers and both end surfaces at
31、manufaturers option, followed by chromating. Swaging groove Code R: Ball (inner ring) chrome plated on spherical diameter per AMS-QQ-C-320 class 2, min. 8 m to 13 m thick. Cadmium plating of outer ring: 5 m to 8 m (0.2 in to 0.3 in) according to EN 2133. Cylindrical surface area, broken angles and r
32、adii, respectively, as well as both end surfaces up to the swaging grooves, followed by chromating. 4.6 Low friction coefficient Table 3 Low friction coefficient Friction coefficient a Temperature range Bearing pressure range max. C MPa 0,18 54 to 120 10 to 120 aThe proof of the value of friction co
33、efficient has to be furnished for the new bearing and after completion to lead the life time test. prEN 4539-003:2010 (E) 10 5 Designation EXAMPLE Description block BEARING Identity block EN4539-003R04AZNumber of this standard Swaging groove code (see Figures 1 and 2) Diameter code (see Table 2) Tec
34、hnology code Surface treatment code (see 4.5) (with or without code) Where the following technology codes are 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 I9005 shall be placed between the description block and the identity block. 6 Marking EN 2424, style A. 7 Technical specification EN 4540.
