BS-6107-2-1995 ISO-492-1994.pdf
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1、BRITISH STANDARD BS 6107-2: 1995 ISO 492:1994 Rolling bearings: tolerances Part 2: Specification for tolerances of radial bearings BS 6107-2:1995 This British Standard, having been prepared under the direction of the Engineering Sector Board (E/-), was published under the authority of the Standards
2、Board and comes into effect on 15 April 1995 BSI 08-1999 First published April 1982 Second edition July 1987 Third edition April 1995 The following BSI references relate to the work on this standard: Committee reference MCE/7 Draft for comment 92/78204 DC ISBN 0 580 24063 0 Committees responsible fo
3、r 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 Companie
4、s Ltd. Amendments issued since publication Amd. No.DateComments BS 6107-2:1995 BSI 08-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Definitions1 4Symbols1 5Tolerances3 Annex A (informative) Bibliography17 Figure 1 Symbols for boundar
5、y dimensions2 Figure 2 Additional symbols for tapered roller bearings3 Figure 3 Nominal tapered bore15 Figure 4 Tapered bore with mean diameters and their deviations15 Table 1 Inner ring4 Table 2 Outer ring5 Table 3 Inner ring6 Table 4 Outer ring7 Table 5 Inner ring8 Table 6 Outer ring8 Table 7 Inne
6、r ring9 Table 8 Outer ring9 Table 9 Inner ring10 Table 10 Outer ring10 Table 11 Diameter and radial runout Inner ring11 Table 12 Diameter and radial runout Outer ring11 Table 13 Width Inner and outer rings, single-row bearings and single-row subunits12 Table 14 Width Inner and outer rings, single-ro
7、w bearings and single-row subunits12 Table 15 Inner ring and single-row bearing width12 Table 16 Outer ring13 Table 17 Inner ring and single-row bearing width13 Table 18 Outer ring13 Table 19 Flange outside diameter tolerances14 Table 20 Tapered bore, taper 1 : 1216 Table 21 Tapered bore, taper 1 :
8、3016 List of referencesInside back cover BS 6107-2:1995 ii BSI 08-1999 National foreword This British Standard has been prepared by Technical Committee MCE/7. It is identical with ISO 492:1994 Rolling bearings Radial bearings Tolerances, published by the International Organization for Standardizatio
9、n (ISO). ISO 492 was prepared by Technical Committee ISO/TC4, Rolling bearings, in which the UK played an active part. BS 6107-2:1995 supersedes BS 6107-2:1987, which is withdrawn. BS 6107 consists of a number of Parts as follows. Part 1: Glossary of terms; Part 2: Specification for tolerances of ra
10、dial bearings; Part 3: Specification for radial internal clearance. Typographical error. In the first column of Table 12, headed “D mm”, the symbol “d” has been used in error for dimensions 180 mm through to 630 mm. It has been reported to ISO in a proposal to amend the text of the International Sta
11、ndard. 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. Cross-references International Sta
12、ndardCorresponding British Standard ISO 15:1981BS 6267:1982 Specification for rolling bearings: boundary dimensions for radial bearings (Identical) ISO 355:1977BS 3134 Metric tapered roller bearings Part 1:1979 Specification for dimension and tolerances of single row bearings (Technically equivalent
13、) ISO 1132:1980BS 6107 Rolling bearings: tolerances Part 1:1981 Glossary of terms (Identical) ISO 5593:1984BS 6560:1984 Glossary of terms for rolling bearings (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 18, an inside back cove
14、r 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 the inside front cover. BS 6107-2:1995 BSI 08-19991 1 Scope This International Standard specifies tolerances for boundary dimensions (exc
15、ept chamfer dimensions) and the running accuracy of radial rolling bearings specified in ISO 15 and ISO 355. This International Standard does not apply to certain radial bearings of particular types (for example, drawn cup needle roller bearings) or for particular fields of application (for example,
16、 airframe bearings and instrument precision bearings). Tolerances for such bearings are given in the relevant International Standards. Chamfer dimension limits are given in ISO 582. 2 Normative references The following standards contain provisions which, through reference in this text, constitute pr
17、ovisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the stan
18、dards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 15:1981, Rolling bearings Radial bearings Boundary dimensions General plan. ISO 355:1977, Rolling bearings Metric tapered roller bearings Boundary dimensions and series designations. ISO
19、1132:1980, Rolling bearings Tolerances Definitions. ISO 5593:1984, Rolling bearings Vocabulary. 3 Definitions For the purposes of this International Standard, the definitions given in ISO 1132 and ISO 5593 apply. 4 Symbols The symbols (except those for tolerances) shown in the figures and the values
20、 given in the tables denote nominal dimensions unless otherwise specified. 4.1 Symbols for boundary dimensions and running accuracy See Figure 1 for symbols for the dimensions. dbore diameter d1diameter at the theoretical large end of a basically tapered bore %dsdeviation of a single bore diameter %
21、dmpdeviation of mean bore diameter in a single plane (for a basically tapered bore, %dmp refers to the theoretical small end of the bore) %d1mpdeviation of mean bore diameter in a single plane at the theoretical large end of a basically tapered bore Vdpvariation of bore diameter in a single radial p
22、lane Vdmpvariation of mean bore diameter (this applies only to a basically cylindrical bore) Doutside diameter D1outside diameter of outer ring flange %Dsdeviation of a single outside diameter %Dmpdeviation of mean outside diameter in a single plane %D1sdeviation of a single outside diameter of oute
23、r ring flange VDpvariation of outside diameter in a single radial plane VDmpvariation of mean outside diameter Binner ring width %Bsdeviation of a single inner ring width BS 6107-2:1995 2 BSI 08-1999 VBsvariation of inner ring width Couter ring width C1outer ring flange width %Csdeviation of a singl
24、e outer ring width %C1sdeviation of a single outer ring flange width VCsvariation of outer ring width VC1svariation of outer ring flange width Kiaradial runout of inner ring of assembled bearing Kearadial runout of outer ring of assembled bearing Sdrunout of inner ring reference face (back face, whe
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