1、January 2011 Translation by DIN-Sprachendienst.English price group 6No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS
2、 21.100.20!$p=“1772656www.din.deDDIN 625-3Rolling bearings Radial deep groove ball bearings Part 3: Double rowEnglish translation of DIN 625-3:2011-01Wlzlager Radial-Rillenkugellager Teil 3: ZweireihigEnglische bersetzung von DIN 625-3:2011-01Roulements Roulement radial billes, gorge profonde Partie
3、 3: deux rangesTraduction anglaise de DIN 625-3:2011-01SupersedesDIN 625-3:1990-03www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.804.11 DIN 625-3:2011-01 A comma is used as the decimal marker. Contents Page Foreword3 1 Scope 4 2 N
4、ormative references 4 3 Terms, definitions and symbols.4 4 Type, designation, dimensions 4 4.1 General4 4.2 Type.4 4.3 Designation 5 4.4 Dimensions and symbols .5 5 Material .7 6 Design .7 Annex A (informative) Explanatory notes .8 Bibliography 8 Figures Figure 1 Basic type, without filling slots (n
5、otation).5 Figure 2 With filling slots (notation) 5 Table Table 1 Dimensions, symbols.6 2 DIN 625-3:2011-01 Foreword This standard has been prepared by Working Committee NA 118-01-02 AA Kugellager und Spannlager einschlielich Teile, allgemeines Wlzlagerzubehr und Gehuse of the Normenausschuss Wlz- u
6、nd Gleitlager (Rolling Bearings and Plain Bearings Standards Committee). DIN 625 consists of the following parts, under the general title Rolling bearings Radial deep groove ball bearings: Part 1: Single row Part 3: Double row Part 4: With flanged outer ring Amendments This standard differs from DIN
7、 625-3:1990-03 as follows: a) the standard has been completely revised; b) in Table 1, diameter series 3 has been added for d = 65 mm, d = 70 mm and d = 75 mm; c) in Table 1, diameter series 2 has been added for d = 100; d) information on masses has been deleted from Table 1; e) normative references
8、 have been updated. Previous editions DIN 625-3: 1939-12, 1942-08, 1959-09, 1990-03 3 DIN 625-3:2011-01 1 Scope This standard specifies dimensions and symbols for double row deep groove ball bearings. To satisfy practical needs of bearing users, this standard specifies deep groove ball bearings in s
9、izes selected in accordance with the general dimension plan given in DIN 616. 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 refe
10、renced document (including any amendments) applies. DIN 616, Rolling bearings Dimensions General plan DIN 620-1, Rolling bearings Gauging methods for dimensional and running tolerances DIN 620-2, Rolling bearings Tolerances for rolling bearings Tolerances for radial bearings DIN 620-4, Rolling beari
11、ngs Rolling bearing tolerances Part 4: Radial internal clearance DIN 620-6, Rolling bearings Rolling bearing tolerances Part 6: Chamfer dimension limits DIN 623-1, Rolling bearings Fundamental principles Designation, marking DIN EN ISO 683-17, Heat-treated steels, alloy steels and free-cutting steel
12、s Part 17: Ball and roller bearing steels DIN ISO 1132-1, Rolling bearings Tolerances Part 1: Terms and definitions 3 Terms, definitions and symbols For the purposes of this document, the terms, definitions and symbols given in DIN 616 and DIN ISO 1132-1 apply. 4 Type, designation, dimensions 4.1 Ge
13、neral The designs shown are for illustrative purposes only; however, the dimensions of double row deep groove ball bearings shall be as specified. Details of the inner design are not standardized. The symbols used shall comply with DIN 623-1. 4.2 Type Bearings without filling slot are available as s
14、tandard, see Figure 1. Bearings with reinforced ball sets are still occasionally available with filling slots, see Figure 2. Bearings with filling slots have a high radial load capacity, but a low axial load capacity. 4 DIN 625-3:2011-01 Figure 1 Basic type, without filling slots (notation) Figure 2
15、 With filling slots (notation) 4.3 Designation Designation of a double row deep groove ball bearing of diameter series 2 with a bore diameter d = 60 mm, external diameter D = 110 mm and width B = 28 mm (denoted by symbol 4212), tolerance class PN, radial bearing clearance CN, cage at the manufacture
16、rs discretion: Deep groove ball bearing DIN 625 4212 Designation of a double row deep groove ball bearing of diameter series 3 with a bore diameter d = 60 mm, external diameter D = 130 mm and width B = 46 mm (denoted by symbol 4312), tolerance class PN, radial bearing clearance C3, cage at the manuf
17、acturers discretion: Deep groove ball bearing DIN 625 4312 C3 4.4 Dimensions and symbols See Table 1 for dimensions and symbols. 5 DIN 625-3:2011-01 Table 1 Dimensions, symbols Dimensions in millimetres r1s r2sd D B min. Symbol 10 30 14 0,6 4200 32 14 0,6 4201 12 37 17 1 4301 35 14 0,6 4202 15 42 17
18、 1 4302 40 16 0,6 4203 17 47 19 1 4303 47 18 4204 20 52 21 1,1 4304 52 18 1 4205 25 62 24 1,1 4305 62 20 1 4206 30 72 27 1,1 4306 72 23 1,1 4207 35 80 31 1,5 4307 80 23 1,1 4208 40 90 33 1,5 4308 85 23 1,1 4209 45 100 36 1,5 4309 90 23 1,1 4210 50 110 40 2 4310 100 25 1,5 4211 55 120 43 2 4311 110 2
19、8 1,5 4212 60 130 46 2,1 4312 120 31 1,5 4213 65 140 48 2,1 4313 125 31 1,5 4214 70 150 51 2,1 4314 130 31 1,5 4215 75 160 55 2,1 4315 80 140 33 2 4216 85 150 36 4217 90 160 40 2 4218 100 180 46 2,1 4220 r1sSingle radial chamfer dimension. r2sSingle axial chamfer dimension. 6 DIN 625-3:2011-01 5 Mat
20、erial Balls and rings shall be made from ball and roller bearing steels as in DIN EN ISO 683-17. The material of the cage shall be at the manufacturers discretion or subject to agreement, with due consideration being given to DIN 623-1. 6 Design Tolerances shall be as specified in DIN 620-2. The rad
21、ial internal clearance shall be as specified in DIN 620-4. Chamfer dimensions: Maximum values as specified in DIN 620-6. The cage design shall be at the manufacturers discretion or subject to agreement, with due consideration being given to DIN 623-1. Gauging methods for dimensional and running tole
22、rances shall be as specified in DIN 620-1. Mass: Because cage design and cage material vary depending on the manufacturer, no information on mass is provided. 7 DIN 625-3:2011-01 8 Annex A (informative) Explanatory notes The external dimensions of the deep groove ball bearings conform to ISO 15. Bib
23、liography DIN 625-1, Rolling bearings Radial deep groove ball bearings Part 1: Single row DIN 625-4, Rolling bearings Radial deep groove ball bearing Part 4: With flanged outer ring DIN 5418, Rolling bearings Dimensions for mounting DIN 5425-1, Rolling bearings Mounting tolerances General guidelines DIN ISO 76, Rolling bearings Static load ratings DIN ISO 281, Rolling bearings Dynamic load ratings and rating life ISO 15, Rolling bearings Radial bearings Boundary dimensions, general plan
