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1、INTERNATIONAL STANDARD IS0 10792-I First edition 1995-07-I 5 Aerospace - Airframe spherical plain bearings in corrosion-resisting steel with self-lubricating liner - Part 1: Metric series Akonautique - Rotules en acier rhistant 2 la corrosion, 2 garniture autolubrifiante, utilishes dans la structure
2、 des a those for wide-series spherical plain bearings shall conform to table 2. The configuration of spherical plain bearings shall con- form to either figure 1 for those without face grooves or to figure 2 for those with face grooves. 5.2 Mass The mass of spherical plain bearings shall conform to t
3、he values given in tables 1 and 2. 5.3 Loads and starting torques Loads and starting torques shall conform to the values given in table 3 for narrow-series bearings and to those given in table 4 for wide-series bearings. 5.4 Materials Inner ring Bearing steel, type 21, in accord- ance with IS0 683-1
4、7, quenched and tempered, except for hard- nesses 55 HRC to 62 HRC. Outer ring Bearing steel, type 1, in accord- ance with IS0 683-16, except with maximum molybdenum content of 0,5 %, heat treatment R 093, hard- nesses 28 HRC to 37 HRC, before swaging. Liner Self-lubricating wear-resisting ma- teria
5、l with a low coefficient of fric- tion. 5.5 Surface treatment A surface treatment shall be applied to the inner ring material in accordance with IS0 8075. The application of this same surface treatment to the outer ring material is optional. 6 Technical specification Spherical plain bearings supplie
6、d in accordance with this part of IS0 10792 shall conform with the requirements of IS0 10792-3. 7 Designation Each spherical plain bearing in accordance with this part of IS0 10792 shall be designated as in the following example. Description block Identity block Number of this International Standard
7、 T = without face groove G = with face groove Diameter code (See tables 1 and 2) Series code N = narrow W = wide 8 Marking In addition to the manufacturer s identification, each spherical plain bearing shall be marked using the identity block as defined in clause 7. Marking position and method are a
8、t the manufacturer s option but shall not adversely affect the working of the spherical plain bearing. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 00:33:48 MDTNo reproduction
9、 or networking permitted without license from IHS -,-,- 0 IS0 IS0 10792-1:1995(E) Dimensions in millimetres Surface roughness values in micrometres Ra3,+/ (Ray Ray) w Figure 1 - Spherical plain bearing with self-lubricating liner without face groove Dimensions in millimetres Surface roughness values
10、 in micrometres Ray (Ray Ray) g )y W W P I LBreaksharpcorner R 0,12 max. Figure 2 - Spherical plain bearing with self-lubricating liner with face groove 3 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 No
11、t for Resale, 04/26/2007 00:33:48 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 10792-1:1995(E) 0 IS0 Table 1 - Narrow series - Dimensions, tolerances and masses Dimensions in millimetres Tolerances in micrometres 4 K r r1 ref 11.1 12.8 14.2 16.2 15.9 OS5 to 0.8 19.8
12、18,4 22.4 26.4 27 0.1 34.9 to 0.4 38,8 Or6 to 1 45,2 28.4 36.8 41.8 1.2 47,8 52 53.8 56 0.8 64 to 1.2 72 60.8 68.8 76,8 Xameter d D C B A,mp min 9” 7 20“ 14“ 9 H= 15“ 12 0.8 06 08 10 12 1 11“ 1 20 20.5 10“ 32 8“ 50 70 59 8“ 126 30“ 8“ 185 6“ 300 7“ 340 6“ 460 5“ 630 7“ 870 +6 -15 21.7 22 22 -t-l 25
13、25 8 t 22 t +8 -19 27.1 29.6 35.5 41.7 0 +10 -13 -23 47 1.5 52.2 +13 -28 1) In use, this value is the permissible maximum Table 2 - Wide series - Dimensions, tolerances and masses Dimensions in millimetres Tolerances in micrometres lclB D flO0 0 I I -100 -60 f.1 Dl P +100 0 T-l- 0 -200 A max P : 0.5
14、“ A dmp 4% A DmP R t100 0 a) Mass min 9 q-j f+ 14.2 0.7 16.2 18.4 23.4 o g i 26.4 27.4 L;,4 31.8 50.8 56.8 +c-l-l 20“ -08 15O 16 0.2 0.3 0.8 - 0.9 +2 -10 10.3 1 15.1 1 -: 0 -10 12.2 17.5 Or5 to 0.8 15.5 22.3 18.9 25.5 20.1 27.5 23.5 31.8 35.3 47.7 Or6 to 1 40.9 53.2 45.5 58,l 47 60,5 54,l 67.9 OS8 t
15、o I,2 60.3 74.7 63.4 82 10 10 21 10 12.5 12 12 26 13 16 15 15 29 13.5 17 17 17 30 14.5 18 20 20 35 16 20 25 25 54 26 32 0 -9 -71 -:3 +6 -15 - +8 -19 +3 -11 1 30“ +3 -13 1.2 30 1 60 1 28 34 30 35 40 f10 -23 36 38 41 -:2 +3 -15 I 800 1.5 - 45 50 0 +13 -15 -28 970 10“ 1 1580 52 I) In use, this value is
16、 the permissible maximum Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 00:33:48 MDTNo reproduction or networking permitted without license from IHS -,-,- 0 IS0 IS0 10792-1:1995
17、(E) Table 3 - Narrow series - Loads Table 4 - Wide series - Loads Diameter code 06 08 10 12 17 22 25 30 35 I Permissible etetic load radial CS kN axial C, kN 20.5 1 1.9 148.3 1 24.3 Permissible dynamic radial load c25 kN Starting torque Nm 12,3 0.08to 0.5 26.3 43 67 0.12to 0.8 81 40 1 680.9 1 113,4
18、1 340.3 45 833,9 135,9 416.9 0.6to 2.7 50 981.4 154.2 490.7 Starting torque 35 666 117.6 333 0.4to 2 40 745.6 136.6 372,8 45 895.9 155.6 447.9 50 1 024.7 176.2 512.3 0,6to 2.7 55 1 298.7 221.2 849,3 5 Copyright International Organization for Standardization Provided by IHS under license with ISO Lic
19、ensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 00:33:48 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 10792-1:1995(E) 0 IS0 ICS 21.100.10 Descriptors: aircraft, bearings, airframe bearings, plain bearings, spherical bearings, specifications, di
20、mensions, designation, marking, ratings. Price based on 5 oases Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 00:33:48 MDTNo reproduction or networking permitted without license from IHS -,-,-