1、AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA-STAN Gulledelle 94 8-1200 BRUXELLES prEN 4538-2 Edition P 1 November 2001 Mechanical Domain Mr Feltham PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATIO
2、N (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 Aerospace series Bearings, spherical plain, in corrosion resisting steel with self-lubricating liner Elevated load under low oscillations Narrow series Dimension
3、s and loads Inch series Srie arospatiale Rotules, en acier rsistant la corrosion garniture autolubrifiante charge leve sous faibles oscillations Srie troite Dimensions et charges Srie en inches Luft- und Raumfahrt Gelenklager, aus korrosioncbestndigem Stahl mit selbstschmierender Beschichtung Hohe B
4、elastung ohne Montagenut Schmale Reihe Mae und Belastungen Inch Reihe This “Aerospace Series“ Presfandard has been drawn up under the responsibilify of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerosp
5、ace Industty. It 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 affecfed, physically or functionally, wifhout re-iden
6、tification of the standard. After examination and review by users and formal agreement of AECMA-STAN if will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Edition approved for publication 2001-1 1-30 Page 2 prEN 4538-2: 2001 Blank page e P
7、age 3 prEN 4538-2: 2001 1 Scope This standard specifies the characteristics of spherical plain bearing in corrosion resistant steel, with self-lubricating liner, narrow series, elevated load under low oscillations applications. They shall be used in the temperature range - 55 “C to 163 “C. 2 Normati
8、ve references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any
9、 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 referred to applies. IS0 11 32-1 IS0 8075 EN 2030 EN 2132 EN 2424 EN 3161 EN 4540 Rolling bearings - Tolerances - Part I : Terms
10、and definitions Aerospace - Surface treatment of hardenable stainless steel parts Steel FE-PM43 - Hardened and tempered - Bars D I 150 mm - Aerospace series 1) Electrodeposition of chromium for engineering purposes - Aerospace series 1) Aerospace series - Marking of aerospace products Aerospace seri
11、es - Steel FE-PM3801 (X5CrNiCu17-4) - Air melted - Solution treated and precipitation treated - Bar - a or 0 I 200 mm - R, 2 930 MPa 2) Aerospace series - Bearings, spherical plain, in corrosion resisting steel with self-lubricating liner - Elevated load under low oscillations - Technical specificat
12、ion 2) 3 Symbols and definitions The tolerance definitions are given in IS0 1 132-1 single plane mean bore diameter deviation deviation of 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 in
13、ner ring, the spherical surface of the outer ring being completely in contact with the inner ring. Required Characteristics Configuration, 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 rou
14、ghness See figures 1 and 2. The values are expressed in micrometers and apply before surface treatment. 1) Published as AECMA Standard at the date of publication of this standard 2) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 4538-2: 2001 W Figure 1 : Beari
15、ng without swaging groove, code S C F W Figure 2 : Bearing with swaging grooves, code R Page 5 prEN 4538-2: 2001 e t0.5 Mass glpiecx = D Code 03 04 05 06 Permissible static loads kN Radial hiai a cs cs 17,68 0,66 26,86 1,91 38,92 3,11 46,88 4,89 Permissible dynamic radia loads 25 O00 cycles Minimum
16、projected Starting torques surface area kN mm2 N.m o9 10 12 103,19 16,37 135,67 20,99 206,39 30.02 134,61 169,lO 200,27 322,08 448,90 531,3 0,23 978,9 1 517,3 1 994,8 712,4 03 0,40 1,50 24 28 61 9,39 11 7,06 1 274.32 151 Table 1 L - r I d 1 6 1 C I 1 Tolerances max. lab min. - code 8, injected or mo
17、ulded 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
