1、BRITISH STANDARD AEROSPACE SERIES BS ISO 10792-1:1995 Implementation of ISO10792-1:1995 Aerospace Airframespherical plain bearings in corrosion-resisting steel with self-lubricating liner Part 1: Metric series ICS 21.100.10BSISO10792-1:1995 This British Standard, having been prepared under the direc
2、tionof the Engineering SectorBoard, was published underthe authority of the Standards Board and comes intoeffect on 15 January 1996 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference MCE/7 Draft for comment92/85973DC ISBN 0 580 25181 0 Committees respon
3、sible for this British Standard The preparation of this British Standard was entrusted to Technical Committee MCE/7, Rolling bearings, upon which the following bodies were represented: Ball and Roller Bearing Manufacturers Association Institution of Mechanical Engineers Society of British Aerospace
4、Companies Ltd. Amendments issued since publication Amd. No. Date CommentsBSISO10792-1:1995 BSI 11-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword iii Text of ISO 10792-1 1BSISO10792-1:1995 ii BSI 11-1999 National foreword This British Standard reproduces
5、verbatim ISO10792-1:1995 and implements it as the UK national standard. This British Standard is published under the direction of the Engineering Sector Board whose Technical Committee MCE/7 has the responsibility to: aid enquirers to understand the text; present to the responsible international com
6、mittee any enquiries on interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. NOTEInternational and European Standards, as well as overseas standards, are available from Customer Services, BSI,3
7、89 Chiswick High Road, London W44AL. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summ
8、ary of pages This document comprises a front cover, an inside front cover, pages i and ii, theISO title page, pages ii to iv, pages 1 to 5 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on
9、the inside front cover.ISO10792-1:1995(E) ii BSI 11-1999 Contents Page Foreword iii 1 Scope 1 2 Normative references 1 3 Definitions 1 4 Symbols 1 5 Characteristics 1 6 Technical specification 2 7 Designation 2 8 Marking 2 Figure 1 Spherical plain bearing with self-lubricating liner without face gro
10、ove 3 Figure 2 Spherical plain bearing with self-lubricating liner with face groove 3 Table 1 Narrow series Dimensions, tolerances and masses 4 Table 2 Wide series Dimensions, tolerances and masses 4 Table 3 Narrow series Loads 5 Table 4 Wide series Loads 5ISO10792-1:1995(E) BSI 11-1999 iii Foreword
11、 ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical
12、 committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of elec
13、trotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least75% of the member bodies casting a vote. International Standard ISO10792-1 was prepare
14、d by Technical Committee ISO/TC20, Aircraft and space vehicles, Subcommittee SC15, Airframe bearings. ISO 10792 consists of the following parts, under the general title Aerospace Airframe spherical plain bearings in corrosion-resisting steel with self-lubricating liner: Part 1: Metric series; Part 2
15、: Inch series; Part 3: Technical specification.iv blankISO10792-1:1995(E) BSI 11-1999 1 1 Scope This part of ISO10792 specifies the characteristics of spherical plain bearings in corrosion-resisting steel with self-lubricating liner, narrow and wide series, for elevated loads at ambient temperature,
16、 for use in fixed or moving parts of the aircraft structure and control mechanisms at temperatures of55 C to+163 C. It is applicable to self-lubricating spherical plain bearings (without rolling elements) consisting of an outer ring having a concave sphered sliding contact surface with self-lubricat
17、ing liner and inner ring having a matched convex sphered sliding contact surface. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO10792. At the time of publication, the editions indicated were valid. Al
18、l standards are subject to revision, and parties to agreements based on this part of ISO10792 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO
19、 683-16:1976, Heat-treated steels, alloy steels and free-cutting steels Part16: Precipitation hardening stainless steels. ISO 683-17:1976, Heat-treated steels, alloy steels and free-cutting steels Part17: Ball and roller bearing steels. ISO 1132:1980, Rolling bearings Tolerances Definitions. ISO 681
20、1:1983, Spherical plain bearings Vocabulary. ISO 8075:1985, Aerospace Surface treatment of hardenable stainless steel parts. ISO 10792-3:1995, Aerospace Airframe spherical plain bearings in corrosion-resisting steel with self-lubricating liner Part3: Technical specification. 3 Definitions For the pu
21、rposes of this part of ISO10792, the definitions given in ISO6811 and the following definitions apply. In addition, definitions of the concepts related to the tolerances specified in this part of ISO10792 are given in ISO1132. 3.1 surface liner material which is affixed to the outer ring intended to
22、 reduce the coefficient of friction 3.2 permissible static radial load unidirectional static load which when applied radially can result in permanent bearing deformation but will not cause fracture or structural failure of the bearing components 3.3 permissible static axial load unidirectional stati
23、c load which when applied axially can result in permanent bearing deformation but will not cause fracture or structural failure of the bearing components 3.4 permissible dynamic radial load unidirectional load which when applied radially while oscillating the bearing will result in a bearing life of
24、25000cycles as determined by bearing wear 4 Symbols For the purposes of this part of ISO10792, the symbols given in ISO1132 and the following symbols apply. 5 Characteristics 5.1 Dimensions and tolerances The dimensions and tolerances for narrow-series spherical plain bearings shall conform toTable
25、1; those for wide-series spherical plain bearings shall conform toTable 2. The configuration of spherical plain bearings shall conform to eitherFigure 1 for those without face grooves or toFigure 2 for those with face grooves. 5.2 Mass The mass of spherical plain bearings shall conform to the values
26、 given inTable 1 andTable 2. Angle of tilt of the outer ring with respect to the inner ring NOTEIts maximum value is determined with the spherical surface of the outer ring completely in contact with the inner ring. See also footnotea to Table 1 andTable 2. (Inside) angle of face groove C a Permissi
27、ble static axial limit load C s Permissible static radial limit load C 25 Permissible dynamic radial limit load d 1 Diameter of shoulder of inner ring D 1 Face groove pitch diameter K Spherical diameter of inner ring (reference)ISO10792-1:1995(E) 2 BSI 11-1999 5.3 Loads and starting torques Loads an
28、d starting torques shall conform to the values given inTable 3 for narrow-series bearings and to those given inTable 4 for wide-series bearings. 5.4 Materials 5.5 Surface treatment A surface treatment shall be applied to the inner ring material in accordance with ISO8075. The application of this sam
29、e surface treatment to the outer ring material is optional. 6 Technical specification Spherical plain bearings supplied in accordance with this part of ISO10792 shall conform with the requirements of ISO10792-3. 7 Designation Each spherical plain bearing in accordance with this part of ISO10792 shal
30、l be designated as in the following example. 8 Marking In addition to the manufacturers identification, each spherical plain bearing shall be marked using the identity block as defined in clause7. Marking position and method are at the manufacturers option but shall not adversely affect the working
31、of the spherical plain bearing. Inner ring Bearing steel, type21, in accordance with ISO683-17, quenched and tempered, except for hardnesses55HRC to62HRC. Outer ring Bearing steel, type1, in accordance with ISO683-16, except with maximum molybdenum content of 0,5%, heat treatment R093, hardnesses28H
32、RC to37HRC, before swaging. Liner Self-lubricating wear-resisting material with a low coefficient of friction.ISO10792-1:1995(E) BSI 11-1999 3 Figure 1 Spherical plain bearing with self-lubricating liner without face groove Figure 2 Spherical plain bearing with self-lubricating liner with face groov
33、eISO10792-1:1995(E) 4 BSI 11-1999 Table 1 Narrow series Dimensions, tolerances and masses Table 2 Wide series Dimensions, tolerances and masses Dimensions in millimetres Tolerances in micrometres Diamete r code d D C B % dmp % ds % Dmp % Ds d 1 K r r 1 D 1 P R A a Mass min. ref. max. 0,5 min. . g 05
34、 5 14 5,5 7 8,6 11,1 0,5 to0,8 0,1 to0,4 12,2 0,7 0,2 0,8 20 9 7 06 6 16 6,5 9 9 12,8 14,2 14 9 08 8 18 7 10 10,2 14,3 16,2 15 12 10 10 21 8 10,5 11,9 15,9 18,4 0,9 0,3 0,9 30 11 20 12 12 25 10 13 15 19,8 22,4 10 32 15 15 29 12 15 20,5 25,4 26,4 1 8 50 17 17 31 13,5 16 21,7 27 28,4 7 59 22 22 40 18
35、22 27,1 34,9 0,6 to1 36,8 1,4 1,2 8 126 25 25 45 20 25 29,6 38,8 41,8 8 185 30 30 51 24 28 35,5 45,2 47,8 6 300 35 35 57 26 31 41,7 52 0.8 to1,2 53,8 1,5 7 340 40 40 64 29 34 47 56 60,8 6 460 45 45 72 32 37 52,2 64 68,8 5 630 50 50 80 34 41 59,2 72 76,8 7 870 a In use, this value is the permissible
36、maximum. Dimensions in millimetres Tolerances in micrometres Diameter code d D C B % dmp % ds % Dmp % Ds d 1 K r r 1 D 1 P R A a Mass min. ref. max. 0,5 min. . g 05 5 16 8,5 11 7,7 13,5 0,5 to0,8 0,1 to0,4 14,2 0,7 0,2 0,8 20 15 16 06 6 08 8 18 8 10,3 15,1 16,2 30 14 17 10 10 21 10 12,5 12,2 17,5 18
37、,4 0,9 0,3 0,9 10 27 12 12 26 13 16 15,5 22,3 23,4 49 15 15 29 13,5 17 18,9 25,5 26,4 1 9 62 17 17 30 14,5 18 20,1 27,5 27,4 69 20 20 35 16 20 23,5 31,8 0,6 to1 31,8 1,4 1,2 8 104 25 25 54 26 32 35,3 47,7 50,8 9 445 30 30 60 28 34 40,9 53,2 56,8 8 480 35 35 65 29 36 45,5 58,1 0,8 to1,2 61,8 1,5 565
38、40 40 68 31 38 47 60,5 64,8 600 45 45 76 33 41 54,1 67,9 72,8 800 50 50 82 35 44 60,3 74,7 78,8 970 55 55 96 40 52 63,4 82 92,8 1,5 10 1580 a In use, this value is the permissible maximum. +100 100 0 60 +100 0 0 200 +100 0 0 8 +2 10 0 8 +5 13 0 9 +6 15 +3 11 0 10 +3 13 0 11 +8 19 0 13 +10 23 0 12 +3
39、 15 0 15 +13 28 +100 100 0 60 +100 0 0 200 +100 0 0 8 +2 10 0 8 +5 13 0 9 +6 15 +3 11 0 10 +3 13 0 11 +8 19 0 13 +10 23 0 12 +3 15 0 15 +13 28ISO10792-1:1995(E) BSI 11-1999 5 Table 3 Narrow series Loads Table 4 Wide series Loads Diameter code Permissible static load Permissible dynamic radial load S
40、tarting torque radial axial C s C a C 25 kN kN kN Nm 05 20,5 1,9 12,3 0,08 to 0,5 06 29,2 3,5 17,5 08 37 3,9 22,2 10 47,2 6,5 28,3 0,12 to 0,8 12 78,1 11,7 43 15 121,9 18 67 17 148,3 24,3 81 22 268,6 45,5 147,7 0,25 to 1 25 324,7 55,9 162,4 30 433,4 77,8 216,7 0,4 to 2 35 543,4 92,2 271,7 40 680,9 1
41、13,4 340,3 0,6 to 2,7 45 833,9 135,9 416,9 50 981,4 154,2 490,7 Diameter code Permissible static load Permissible dynamic radial load Starting torque radial axial C s C a C 25 kN kN kN Nm 05 42,6 7,2 25,6 0,08 to 0,5 06 25,6 08 45,7 6,4 27,4 0,12 to 0,8 10 68,7 11,7 41,2 12 116,4 21,5 64 15 139 24,1
42、 76,5 17 159,1 29 87,5 20 207,5 36 113,9 25 496,6 93,2 248,3 0,25 to 1 30 587,5 109,6 293,7 0,4 to 2 35 666 117,6 333 40 745,6 136,6 372,8 0,6 to 2,7 45 895,9 155,6 447,9 50 1024,7 176,2 512,3 55 1298,7 221,2 649,3BS ISO 10792-1:1995 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstit
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