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本文(ABMA 19.1-2011 Tapered Roller Bearings - Radial - Metric Design《径向圆锥滚子轴承.米制设计》.pdf)为本站会员(周芸)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ABMA 19.1-2011 Tapered Roller Bearings - Radial - Metric Design《径向圆锥滚子轴承.米制设计》.pdf

1、 Tapered Roller Bearings - Radial - Metric Design ANSI/ABMA 19.1:2011 ANSI/ABMA 19.1:2011 Secretariat American Bearing Manufacturers Association Accredited Standards Committee B3 AMERICAN NATIONAL STANDARD (This is not an approved part of the standard) Approval of an American National Standard requi

2、res verification by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus means substantial agreement has been reached by directly and materially affected interests. This signifies the concurrence of more than a sim

3、ple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that an effort be made toward their resolution. The use of an American National Standard is completely voluntary; their existence does not in any respect preclude anyone, whether they app

4、roved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standard. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard

5、. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the secretariat of the sponsor whose name appears on the title page of thi

6、s standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute or online at www.ANSI.org. Published by Amer

7、ican Bearing Manufacturers Association 2025 M Street, N.W., Suite 800 Washington, DC 20036 Copyright 2011 by American Bearing Manufacturers Association All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior writte

8、n permission of the publisher. Printed in the United States of America Tapered Roller Bearings Radial Metric Design CONTENTS SECTION PAGE 1. Scope 1 2. Part Numbering Systems 1 2.1 Reference Part Numbers 1 2.2 Existing Numbering Systems 1 3. Symbols and Nomenclature 2 3.1 Inner and Outer Ring Chamfe

9、r Dimensions .3 4. Boundary Dimensions 4 4.1 General 4 4.2 Cage Axial Clearance .4 4.3 Bearing Assembly Types 4 4.4 Spacers 4 5. Tolerances .27 5.1 General 27 5.2 Component Effective Width (stand) gauging and Overall Bearing Width Tolerance 27 5.3 Tolerance Classes 29 5.4 Tolerance Symbols .30 6. Fi

10、tting Practices 44 6.1 General 44 6.2 Surface Finish of Bearing Seats 44 6.3 Definition of Operating Characteristics 44 6.4 Backings .44 Appendix Appendix A Part Numbering Systems of Metric Tapered Roller Bearings .52 LIST OF TABLES TABLE NUMBER PAGE 1. Bearing Assembly Types 4 BOUNDARY DIMENSIONS 2

11、. Type TS .5 3. Type TSF .14 4. Type TDO 19 5. Type 2TS .23 TOLERANCE TABLES 6. Class K 31 7. Class N 34 8. Class C 36 9. Class B 39 10. Class A 41 11. Outer Ring Flange OD 43 12. RECOMMENDED FITTING PRACTICES Industrial 45 Automotive .51 LIST OF FIGURES FIGURE NUMBER PAGE 1. Single Outer Ring, High

12、 Effective Width, Back face, Non-flanged 28 2. Single Outer Ring, Low Effective Width, Back face, Non-flanged 28 3. Single Outer Ring, High Effective Width, Back face, Flanged 28 4. Single Outer Ring, Low Effective Width, Back face, Flanged .28 5. Double Outer Ring, High Effective Width, Adjacent fa

13、ce .28 6. Double Outer Ring, Low Effective Width, Adjacent face 28 7. Single Inner Ring, High Effective Width, Back face .28 8. Single Inner Ring, Low Effective Width, Back face 28 Tapered Roller Bearings Radial Metric Design 1. SCOPE This standard covers metric design radial tapered roller bearings

14、 of various types, part numbering systems, boundary dimensions, tolerances, and fitting practices. Tapered roller thrust bearings are covered in a separate ABMA standard. General ABMA standards which apply to various types of bearings should be consulted for tolerance definitions, gauging practices,

15、 mounting accessories, and method of evaluating load ratings. 2. PART NUMBERING SYSTEMS 2.1 Reference Part Numbers. Bearings contained in the Boundary Dimension Tables (2-5) of this standard are identified with the reference part numbers and ISO Dimension Series designations described in Appendix A.

16、 2.1.1 Individual Component Part Numbers. Unlike other bearing types, tapered roller bearing inner and outer rings are individually numbered. The inner ring is assembled with rollers and a cage, and when used with an outer ring, makes a complete bearing assembly. Both inner and outer ring part numbe

17、rs are required to identify a complete bearing assembly. The inner ring number followed by the outer ring number is the preferred practice. 2.2 Existing Numbering Systems. Bearing manufacturers have used various part numbering systems. For reference purposes the more commonly used systems are descri

18、bed in Appendix A. 3. SYMBOLS AND NOMENCLATURE TS TSF TDO 2TS B = inner ring width, single-row bearing B1 = bearing width, double-row TDO bearing B2 = bearing width, double-row 2TS bearing C = outer ring width, single-row bearing C1 = width of double outer ring C2 = width of outer ring flange C3 = w

19、idth over two single outer rings and spacer of a double-row 2TS bearing C4 = width of outer ring spacer D = outside diameter of outer ring D1 = outside diameter of outer ring flange d = bore diameter of inner ring E = inside diameter of outer ring back face r = chamfer dimension of inner ring back f

20、ace r1 = chamfer dimension of outer ring back face r2 = chamfer dimension of inner ring and outer ring front face T = bearing width, single-row TS or TSF bearing = contact angle 3.1 INNER AND OUTER RING CHAMFER DIMENSIONS rs min = smallest permissible single chamfer dimension of inner ring back face

21、 rs max = largest permissible single chamfer dimension of inner ring back face r1s min = smallest permissible single chamfer dimension of outer ring back face r1s max = largest permissible single chamfer dimension of outer ring back face In order to ensure that tapered roller bearing chamfers are co

22、mpatible with the dimensions of parts which come into contact with the rolling bearings, values of the chamfer dimension limits, of which the minimum limit is of primary interest to the bearing user and application designer, are required. The exact shape of the chamfer surface is not specified, but

23、its contour in an axial plane shall not be allowed to project beyond the imaginary circular arc, of radius rs min or r1s min tangential to the ring face and the bore or outside cylindrical surface of the ring. The largest single shaft and housing radius must not exceed the smallest single chamfer di

24、mension of the inner or outer ring. No values are given in this standard for the inner ring and outer ring front face chamfer dimension r2, however, the front face corners shall not be sharp. 4. BOUNDARY DIMENSIONS 4.1 General. The bearings covered in the Boundary Dimension Tables (2-5) are a combin

25、ation of those in common use, bearings from ISO 355, and bearings to meet anticipated future needs. The tables are designed to minimize the number of metric design tapered roller bearings, yet satisfy present and future needs of bearing users. These tables do not contain any indication as to availab

26、ility of bearings. 4.2 Cage Axial Clearance. Bearing mounting designs must afford adequate clearance for the cage. It should be noted that often the small end of the cage extends beyond the faces of the inner and outer ring. 4.3 Bearing Assembly Types. The following table shows the types of tapered

27、roller bearing assemblies which appear in the Boundary Dimension Tables, with a brief description and a typical illustration of each type. Other types of single row, two row, and four row tapered roller bearing assemblies, with or without spacers, are available. Individual bearing manufacturers shou

28、ld be consulted for further details. TABLE 1 BEARING ASSEMBLY TYPES Bearing type Description Boundary dimension table TS Single row, straight bore. 2 TSF Single row, straight bore, flanged outer ring. 3 TDO Double row, straight bore, two single inner rings, one double outer ring with lubrication gro

29、ove and holes. 4 2TS Double row, straight bore, two single inner rings, two single outer rings. 5 4.4 Spacers. Type 2TS bearing assemblies included in the boundary dimension tables of this standard are shown with spacers. Type TDO bearing assemblies included in this standard can be furnished by the

30、manufacturer with inner ring spacers. Spacers are made of both hardened and unhardened steel of numerous configurations. Consult individual manufacturers for availability. When these types of bearings are fitted with spacers, they are furnished as pre-set assemblies in which the spacers have been fi

31、nished to size to establish a pre-determined axial clearance within each bearing assembly. Therefore component parts from one assembly are not interchangeable with similar assemblies even if made by the same manufacturer. Because spacer assemblies are pre-set by the manufacturer, spacers are general

32、ly not sold separately. TABLE 2 - Sheet 1 of 9 TYPE TS BOUNDARY DIMENSIONS Dimensions shown in millimeters Inner Ring Outer Ring Bore d OD D Width T Reference Part Numbers ISO Dimension Series Minimum Radius a rs min Width B Minimum Radius a r1s min Width C Inside Diameter E Contact Angle Inner Ring

33、 Outer Ring 15 42 14.25 X30302 Y30302 2FB 1 13 1 11 33.272 10 45 29“ 17 40 13.25 X30203 Y30203 2DB 1 12 1 11 31.408 12 57 10“ 17 40 17.25 X32203 Y32203 2DD 1 16 1 14 31.17 11 45 17 47 15.25 X30303 Y30303 2FB 1 14 1 12 37.42 10 45 29“ 17 47 20.25 X32303 Y32303 2FD 1 19 1 16 36.09 10 4 5 29“ 20 37 12

34、X32904 Y32904 2BD 0.3 12 0.3 9 29.621 12 20 42 15 X32004X Y32004X 3CC 0.6 15 0.6 12 32.781 14 20 45 14 JP2049 JP2010 4DB 1 14 1 10 35.679 16 40 20 45 17 JD2049 JD2010 2DC 1 17.5 1 13.5 35.815 12 20 47 15.25 X30204 Y30204 2DB 1 14 1 12 37.304 12 57 10“ 20 47 19.25 X32204 Y32204 2DD 1 18 1 15 35.81 12

35、 2 8 20 47 19.25 X32204-B Y32204-B 5DD 1 18 1 15 33.708 19 20 50 22 JF2049 JF2010 2ED 2 22 1.5 18.5 38.063 12 30 20 52 16.25 X30304 Y30304 2FB 1.5 15 1.5 13 41.318 11 18 36“ 20 52 22.25 X32304 Y32304 2FD 1.5 21 1.5 18 39.518 11 18 36“ 22 40 12 X329/22 Y329/22 2BC 0.3 12 0.3 9 32.665 12 22 44 15 X320

36、/22X Y320/22X 3CC 0.6 15 0.6 11.5 34.708 14 50 22 47 14 JP2249 JP2210 4CB 1 14 1 10 37.443 17 30 22 47 17 JD2249 JD2210 2CC 1 17.5 1 13.5 37.542 12 35 22 52 22 JF2249 JF2210 2ED 2 22 1.5 18.5 40.548 12 14 25 42 12 X32905 Y32905 2BD 0.3 12 0.3 9 34.608 12 25 47 15 X32005X Y32005X 4CC 0.6 15 0.6 11.5

37、37.393 16 25 47 17 X33005 Y33005 2CE 0.6 17 0.6 14 38.278 10 55 25 50 14 JP2549 JP2510 4CB 1 14 1 10 40.025 18 45 25 50 17 JD2549 JD2510 2CC 1.5 17.5 1 13.5 40.205 13 30 25 52 16.25 X30205 Y30205 3CC 1 15 1 13 41.135 14 02 10“ 25 52 19.25 X32205 Y32205 2CD 1 18 1 16 41.331 13 30 25 52 19.25 X32205-B

38、 Y32205-B 5CD 1 18 1 15 37.555 21 15 25 52 22 X33205 Y33205 2DEb 1 22 1 18 40.441 13 10 25 58 26 JF2549 JF2510 2EE 2 26 1.5 21 44.805 12 30 25 62 18.25 X30305 Y30305 2FB 1.5 17 1.5 15 50.637 11 18 36“ 25 62 18.25 X31305 Y31305 7FB 1.5 17 1.5 13 44.13 28 48 39“ 25 62 25.25 X32305 Y32305 2FD 1.5 24 1.

39、5 20 48.637 11 18 36“ 28 45 12 X329/28 Y329/28 2BD 0.3 12 0.3 9 37.639 12 28 52 16 X320/28X Y320/28X 4CC 1 16 1 12 41.991 16 28 55 15 JP2849 JP2810 4CB 1 14.5 1 11 44.597 17 3 0 28 55 19 JD2849 JD2810 2CD 1.5 19.5 1.5 15.5 44.888 12 10 28 58 20.25 X322/28-B Y322/28-B 5DD 1 19 1 16 42.436 20 34 28 58

40、 24 X332/28 Y332/28 2DE 1 24 1 19 45.846 12 4 5 28 65 27 JF2849 JF2810 2ED 2 27 2 22 50.33 12 45 TABLE 2 - Sheet 2 of 9 TYPE TS BOUNDARY DIMENSIONS Dimensions shown in millimeters Inner Ring Outer Ring Bore d OD D Width T Reference Part Numbers ISO Dimension Series Minimum Radius a rs min Width B Mi

41、nimum Radius a r1s min Width C Inside Diameter E Contact Angle Inner Ring Outer Ring 30 47 12 X32906 Y32906 2BD 0.3 12 0.3 9 39.617 12 30 55 17 X32006X Y32006X 4CC 1 17 1 13 44.438 16 30 55 20 X33006 Y33006 2CE 1 20 1 16 45.283 11 30 58 19 JD3049 JD3010 2CD 1.5 19.5 1.5 15.5 47.309 12 50 30 60 17 JP

42、3049 JP3010 4CB 1 16.5 1 12.5 48.465 17 30 30 62 17.25 X30206 Y30206 3DB 1 16 1 14 49.99 14 02 10“ 30 62 21.25 X32206 Y32206 3DC 1 20 1 17 48.982 14 02 10“ 30 62 21.25 X32206-B Y32206-B 5DC 1 20 1 17 46.389 20 34 30 62 25 X33206 Y33206 2DE 1 25 1 19.5 49.524 12 50 30 68 29 JF3049 JF3010 2EE 2 29 2 2

43、4 52.696 12 28 30 72 20.75 X30306 Y30306 2FB 1.5 19 1.5 16 58.287 11 51 35” 30 72 20.75 X31306 Y31306 7FB 1.5 19 1.5 14 51.771 28 48 39” 30 72 28.75 X32306 Y32306 2FD 1.5 27 1.5 23 55.767 11 51 35” 30 72 28.75 X32306-B Y32306-B 5FD 1.5 27 1.5 23 50.518 20 32 52 14 X329/32 Y329/32 2BD 0.6 15 0.6 10 4

44、4.261 12 32 58 17 X320/32X Y320/32X 4CC 1 17 1 13 46.708 16 50 32 62 21 JD3249 JD3210 2CD 1.5 21 1.5 17 50.554 12 30 32 65 18 JP3249 JP3210 4DB 1 17.5 1 13.5 52.418 17 30 32 65 18.25 X302/32 Y302/32 3DB 1 17 1 15 52.5 14 32 65 22 X322/32-B Y322/32-B 5DC 1 21.5 1 17 48.523 20 32 65 26 X332/32 Y332/32

45、 2DE 1 26 1 20.5 51.791 13 32 72 29 JF3249 JF3210 2ED 2 29 2 24 56.151 12 41 30“ 32 75 29.75 X323/32-B Y323/32-B 5FD 1.5 28 1.5 23 53.594 20 35 55 14 X32907 Y32907 2BD 0.6 14 0.6 11.5 47.22 11 35 62 18 X32007X Y32007X 4CC 1 18 1 14 50.51 16 50 35 62 21 X33007 Y33007 2CE 1 21 1 17 51.32 11 30 35 68 2

46、3 JD3549 JD3510 2DD 2 23 2 18.5 55.4 12 35 35 70 19 JP3549 JP3510 4DB 1 18 1 14 57.138 16 49 30“ 35 72 18.25 X30207 Y30207 3DB 1.5 17 1.5 15 58.844 14 02 10“ 35 72 24.25 X32207 Y32207 3DC 1.5 23 1.5 19 57.087 14 02 10“ 35 72 24.25 X32207-B Y32207-B 5DC 1.5 23 1.5 19 53.052 21 10 35 72 28 X33207 Y332

47、07 2DE 1.5 28 1.5 22 57.186 13 15 35 78 33 JF3549 JF3510 2EEb 2.5 32.5 2 27 61.925 12 12 35 80 22.75 X30307 Y30307 2FB 2 21 1.5 18 65.769 11 51 35“ 35 80 22.75 X31307 Y31307 7FB 2 21 1.5 15 58.861 28 48 39“ 35 80 32.75 X32307 Y32307 2FE 2 31 1.5 25 62.829 11 51 35“ 35 80 32.75 X32307-B Y32307-B 5FE

48、2 31 1.5 25 57.011 20 40 62 15 X32908 Y32908 2BC 0.6 15 0.6 12 53.388 10 55 40 68 19 X32008X Y32008X 3CD 1 19 1 14.5 56.897 14 10 40 68 22 X33008 Y33008 2BEb 1 22 1 18 57.29 10 40 40 75 19 JP4049 JP4010 4CB 1 18 1 14 61.526 18 10 30“ 40 75 24 JD4049 JD4010 2CD 2 24 2 19.5 62.155 12 0 7 40 75 26 X331

49、08 Y33108 2CE 1.5 26 1.5 20.5 61.169 13 20 40 80 19.75 X30208 Y30208 3DB 1.5 18 1.5 16 65.73 14 02 10“ 40 80 24.75 X32208 Y32208 3DC 1.5 23 1.5 19 64.715 14 02 10“ 40 80 24.75 X32208-B Y32208-B 5DC 1.5 23 1.5 19 61.438 20 40 80 27 JT4049 JT4010 5DD 4 26.5 2 21.5 58.963 20 43 30“ 40 80 32 X33208 Y33208 2DE 1.5 32

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