BS ISO 246-2007 Rolling bearings - Cylindrical roller bearings separate thrust collars - Boundary dimensions《滚动轴承 滚柱轴承分离式止推环 边界尺寸》.pdf
《BS ISO 246-2007 Rolling bearings - Cylindrical roller bearings separate thrust collars - Boundary dimensions《滚动轴承 滚柱轴承分离式止推环 边界尺寸》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 246-2007 Rolling bearings - Cylindrical roller bearings separate thrust collars - Boundary dimensions《滚动轴承 滚柱轴承分离式止推环 边界尺寸》.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58thrust collars Boundary dimensionsICS 21.100.20Rolling bearings Cylindrical roller bearings, separa
2、te BRITISH STANDARDBS ISO 246:2007BS ISO 246:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 September 2007 BSI 2007ISBN 978 0 580 57580 8Amendments issued since publicationAmd. No. Date Commentscontract. Users are responsible for its
3、correct application.Compliance with a British Standard cannot confer immunity from legal obligations. National forewordThis British Standard is the UK implementation of ISO 246:2007. It supersedes BS ISO 246:1995 which is withdrawn.The UK participation in its preparation was entrusted to Technical C
4、ommittee MCE/7, Rolling bearings.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a Reference numberISO 246:2007(E)INTERNATIONAL STANDARD ISO246Third edition2007-08-01Rolling
5、 bearings Cylindrical roller bearings, separate thrust collars Boundary dimensions Roulements Roulements rouleaux cylindriques, bagues dpaulement spares Dimensions dencombrement BS ISO 246:2007ii iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of nation
6、al 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 committee has been established has the right to be represented on that committee. Internatio
7、nal 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 electrotechnical standardization. International Standards are drafted in accordance with the rule
8、s given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. 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 l
9、east 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 246 was prepared by Technical Committee ISO/TC 4,
10、Rolling bearings. This third edition cancels and replaces the second edition (ISO 246:1995), which has been technically revised. BS ISO 246:2007blank1Rolling bearings Cylindrical roller bearings, separate thrust collars Boundary dimensions 1 Scope This International Standard specifies the width, the
11、 maximum outside diameter, the bore and the bore minimum chamfer of separate thrust collars for cylindrical roller bearings in diameter series 0, 2, 3, and 4 as specified in ISO 15. Dimensions for overall width and other geometrical features are not specified as they are dependent on the internal de
12、sign of the bearings. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO
13、15, Rolling bearings Radial bearings Boundary dimensions, general plan ISO 582, Rolling bearings Chamfer dimensions Maximum values ISO 5593, Rolling bearings Vocabulary ISO 15241, Rolling bearings Symbols for quantities 3 Terms and definitions For the purposes of this document, the terms and definit
14、ions given in ISO 5593 apply. 4 Symbols For the purposes of this document, the symbols given in ISO 15241 and the following apply. The symbols shown in Figure 1 and the values given in Table 1 and Table 2 denote nominal dimensions unless specified otherwise. B1width of thrust collar protruding beyon
15、d inner ring face d bore diameter d1outside diameter r1chamfer dimension r1s minsmallest single chamfer dimension BS ISO 246:20072 Figure 1 Cylindrical roller bearing with separate thrust collar 5 Dimensions Dimensions of separate thrust collars for cylindrical roller bearings of diameter series 0,
16、2, 3, and 4 (standard design) and diameter series 2E and 3E (E-design) are given in Table 1 and Table 2 respectively. NOTE For radial cylindrical roller bearings series 2E and 3E, the E signifies that they are of the design having reinforced roller and cage assembly and increased radial load-carryin
17、g capacity. BS ISO 246:20073Table 1 Separate thrust collars for cylindrical roller bearings of standard design Dimensions in millimetres Diameter series 0 Diameter series 2 Diameter series 3 Diameter series 4 B1d1 r1s minaB1d1r1s minaB1d1r1s minaB1d1r1s minad max. max. max. max. 15 2,5 22 0,3 17 3 2
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