1、A. E.C. M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM Edition approved for publication 14 th September 1987 prEN3286 Issue P 1 September 7987 Comments should be sent within six months CI Chairman after the date of publication decision A.E.C.M.A. 88. Bd. Malesherbes Mr. MOUTARDE 75008 PARIS - FRANCE
2、 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TEL. 45-63-82-85 UDC : 629.7.02 : 621.822.74.004.1 : 669.14.018.89 Key words : Aircraft industry, airframe bearings, ball bearings, corrosion resisting steel, dimensions, static loads ENG
3、LISH VERSION Aerospace series Bearings-airframe rolling rigid, single row ball bearings in corrosion resisting steel diameter series O and 2 normal clearance category Dimensions, torques, and loads Srie arospatiale Luft- und Raumfahrt Roulements pour structures daronefs Flugwerklager roulements rigi
4、des une range de billes en acier rsistant la corrosion sries de diamtres O et 2 catgorie jeux normaux Dimensions, couples et charges einreihige Rillenkugellager aus korrosionsbestndigem Stahl Durchmesserreihen O und 2 normale Lagerluft Mae, Momente und Belastungen This 58 HRC. Balls : Steel EN2030,
5、7 58 HRC. Shields : Corrosion resisting material. Seals : Polytetrafluoroethylene (PTFE) or polytetrafluoroethylene (PTFE), coated glass fabric material. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or
6、 networking permitted without license from IHS-,-,-O Code Nomi- na1 C tolerances pm Axial Radial Ax max . d o The 05 O6 08 10 12 15 17 20 25 30 3 Bearing with shields - Code P Ga c; 5 6 8 10 12 15 3 to 18 I7 120 20 25 5 to 20 30 150 100 2 to 13 De tail W applicable to bore and outer surface E proces
7、s for installation of seals and shields is at the manufacturers option. Figure 1 d I internai I Runout tolerances I Starting torque (Sial 40 I. I I I 1) Definition : see EN3280 where Ys = 2,2 F max.= - CS a Ys 1 e Shields Seals Axial and radial loads may be applied simultaneously. For ultimate stati
8、c loads, see EN3280. Permissf- ble static radial load 17yO 23,3 26,9 I. n -1 62,6 i i Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN328b 87
9、 m LOL231L 00052Yb 2 m prEN3286 Page 6 I 7 Designation Each bearing shall only be designated as in the following example : Description block Identity block BEARING . EN3286AlOP A = Code for ester type grease I I I I 10 = diameter code of d (see table) P = code for type with shields I where the follo
10、wing codes are applied : Greases A = ester type grease B = synthetic hydrocarbon type grease E = with seals P = with shields Note : If necessary, the originator code S9005 the description block and the identity block. may be introduced between 8 Marking In addition to the manufacturers own marking,
11、each bearing shall be marked, on - - 6 one side face only using the identity block as defined in clause 7 of this standard. Marking position and method are at the manufacturers option. 9 Technical specification Bearings supplied to this standard shall conform with the requirements of EN3280. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
