1、June 2008 Translation by DIN-Sprachendienst.English price group 8No 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 43
2、.040.50!$HS“1933748www.din.deDDIN 74361-1Disc wheels for motor vehicles and trailers Part 1: Connection dimensions for bolt- and mixed centering,English translation of DIN 74361-1:2008-06Scheibenrder fr Kraftwagen und Anhngefahrzeuge Teil 1: Anschlussmae fr Bolzen- und Mischzentrierung,Englische ber
3、setzung von DIN 74361-1:2008-06Roues pour vhicules routiers et remorques Partie 1: Caractristiques dimensionnelles de la fixation pour centrage par crou et pourcentrage mixte,Traduction anglaise de DIN 74361-1:2008-06SupersedesDIN 74361-1:1989-05www.beuth.deDocument comprises 13 pagesIn case of doub
4、t, the German-language original shall be considered authoritative.07.13 DIN 74361-1:2008-06 2 A comma is used as the decimal marker. Contents Page Foreword . 3 1 Scope . 3 2 Normative references . 3 3 Dimensions and designations . 4 3.1 Connecting dimensions for passenger cars 4 3.2 Connecting dimen
5、sions on commercial vehicles Bolt centering . 6 3.3 Connecting dimensions on commercial vehicles Mixed centering 9 4 Technical delivery conditions . 13 5 Marking 13 DIN 74361-1:2008-06 3 Foreword This document has been prepared by Working Committee AA-I19 Rder of the Normenausschuss Automobiltechnik
6、 (NAAutomobil) (Road Vehicle Engineering Standards Committee) of DIN, in which representatives of vehicle, wheel and axle manufacturers, and technical inspection bodies participate. Amendments This standard differs from DIN 74361-1:1989-05 as follows: a) all figures have been updated to conform to t
7、he state of the art; b) tolerances have been updated and position tolerances have been introduced where necessary; c) Table 1 has been expanded to include additional widely used wheel connection dimensions; d) centering sleeves for mounting wheels with mixed centering have been added. Previous editi
8、ons DIN KrW 225 and 226: 1931-12 DIN Kr 4361 Part 1: 1939-04 DIN 74361-1: 1952-04, 1955x-04, 1967-07, 1969-10, 1976-10, 1980-07, 1989-05 1 Scope This standard applies to all types of bolt-centered disc wheel (symbol “B”) and disc wheels with mixed centering (symbol “BM”) for use in motor vehicles an
9、d trailers. 2 Normative references The following referenced documents are indispensable for 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. DIN 7829, Rims and
10、 wheels Marking DIN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts; Product grades A, B and C*)DIN EN ISO 898-6, Mechanical properties of fasteners made of carbon steel and alloy steel Part 6: Nuts with specified test forces, fine-pitch thread *)DIN EN ISO 10683, Fastener
11、s Non-electrolytically applied zinc flake coatings *)Translators note. DIN EN ISO 898-6 has been withdrawn and replaced by DIN EN ISO 898-2, Mechanical properties of fasteners made of carbon steel and alloy steel Part 2: Nuts with specified property classes Coarse thread and fine pitch thread. *) Tr
12、anslators note. The German original is incorrect. The standard number should read “DIN EN ISO 4759-1”. DIN 74361-1:2008-06 4 3 Dimensions and designations 3.1 Connecting dimensions for passenger cars The following figures are only meant as examples of a typical wheel mounting arrangement. Details wh
13、ich are not described here and which depend on the specific design, such as wheel disc form, rim design, joint between rim and wheel disc etc., are to be selected appropriately. Figure 1 Single-wheel mounting Design example Mounting by means of spherical collar nuts or bolts, or by means of conical
14、nuts or bolts, as agreed. Figure 2 Conical countersink Figure 3 Spherical countersink DIN 74361-1:2008-06 5 Table 1 Connecting dimensions of single wheels used predominantly on passenger cars Dimensions in millimetres N D1aD205,0+D302,0+D5max. D705,0+R102,0+ d 4 100 100 15,5 57 56,8 - - 60 M 12 1,5
15、15,5 60 59,8 - - 60 M 12 1,5 18,5 60 59,8 24 14 - M 14 1,5 14,0 60 59,8 - - 60 M 12 1,5 4 108 108 13,6 65 64,8 - - 60 M 12 1,25 4 130 130 18,5 80 79,8 24 14 - M 14 1,5 5 98 98 15,6 58 57,8 - - 60 M 14 1,5 5 100 100 14,75 57 56,8 20 13 - M 14 1,5 5 108 108 14,0 60 59,8 - - 60 M 12 1,5 13,6 65 64,8 -
16、- 60 M 12 1,25 5 110 110 15 65 64,8 18 60 M 12 1,5 5 112 112 14,75 57 56,8 20 13 - M 14 1,5 15,5 63 62,8 - - 60 M 12 1,5 16 66,6 66,4 20 12 - M 12 1,5 18,5 66,6 66,4 24 14 - M 14 1,5 5 120 120 15,5 72,4 72,2 - - 60 M 12 1,5 5 130 130 13 90 89,8 16 - 90 M 12 1,5 18,5 85 84,8 24 14 - M 14 1,5 5 160 16
17、0 15,5 110 109,8 - - 60 M 12 1,5 18,5 110 109,8 24 14 - M 14 1,5 5 205 205 16 157 156,8 20 12 - M 12 1,5 18,5 157 156,8 24 14 - M 14 1,5 aFor wheel discs with an interlocking design, dimensions are to be measured in the tightened condition. Key N main connecting parameters: number of bolt holes bolt
18、 circle diameter D1bolt circle diameter D2bolt hole diameter D3centre bore diameter D5centre hub diameter D7external diameter of countersink d thread of the corresponding bolt R1radius of spherical countersink angle of conical countersinkDIN 74361-1:2008-06 6 3.2 Connecting dimensions on commercial
19、vehicles Bolt centering See Figure 6 for detail X Figure 4 Single-wheel mounting Design example See Figure 7 for detail Y Figure 5 Twin-wheel mounting Design example Mounting by means of spherical collar nuts, or by means of flat collar nuts and spring washers, as agreed. Key 1 spherical collar nut
20、A or flat collar nut B with 2 spring washers, all as specified in DIN 74361-2 DIN 74361-1:2008-06 7 Figure 6 Single-wheel mounting Detail X Figure 7 Twin-wheel mounting Detail Y DIN 74361-1:2008-06 8 Table 2 Bolt centering B Connecting dimensions for wheels used as single wheels or twin wheels of co
21、mmercial motor vehicles and trailers Dimensions in millimetres N D1D3aD5D4D6D2D7R1S d 01+max. min. 505,05,1+ 0,5 0,1 max. 6 205 205 161 160 255 250 18,0 24 14 12 M 14 1,5 21,0 27 16 14 M 18 1,5 6 245 245 202 201 295 290 21,0 27 16 14 M 18 1,5 8 275 275 221 220 325 320 26 32 18 16 M 20 1,5 26 32 18 1
22、6 M 22 1,5 10 225 225 176 175 275 270 26 32 18 16 M 22 1,5 10 335 335 281 280 390 385 26 32 18 16 M 22 1,5 12 425 425b371 370 470 470 26 32 18 22 M 22 1,5 aThe edges of the centre bore shall be deburred. bPermissible deviation Key N main connecting parameters: number of bolt holes x bolt circle diam
23、eter D1bolt circle diameter D2bolt hole diameter D3centre bore diameter D4diameter of flat surface of wheel disc D5centre hub diameter D6diameter of wheel contact surface D7external diameter of countersink d thread of corresponding bolt R1radius of spherical countersink S thickness of wheel disc DIN
24、 74361-1:2008-06 9 Table 3 Countersink designations of bolt centering arrangements For bolt size nut side hub side both sides M14 B14ES28 B14IS28 B14DS28 M18 B18ES32 B18IS32 B18DS32 M20 B20ES36 B20IS36 B20DS36 M22 B22ES36 B22IS36 B22DS36 See Table 6 for an explanation of the countersink designations
25、 3.3 Connecting dimensions on commercial vehicles Mixed centering Figure 8 Single-wheel mounting Design example Figure 9 Twin-wheel mounting Design example DIN 74361-1:2008-06 10 Key 1 two for each hub installed opposite to each other Figure 10 Single-wheel mounting Detail X Key 1 two for each hub i
26、nstalled opposite to each other Figure 11 Twin-wheel mounting Detail Y DIN 74361-1:2008-06 11 Table 4 Mixed centering (BM) Connecting dimensions for wheels used as single wheels or twin wheels of commercial motor vehicles and trailers Dimensions in millimetres N*)D1D3aD5D4D6D2D7R1S d 02,0+2,00min. 5
27、005,1+ 0,5 0,1 max. 6 205 205 161 160,8 255 250 18,0 24 14 12 M 14 1,5 21,0 27 16 14 M 18 1,5 6 245 245 202 201,8 295 290 21,0 27 16 14 M 18 1,5 8 275 275 221 220,8 325 320 26 32 18 16 M 20 1,5 26 32 18 16 M 22 1,5 10 225 225 176 175,8 275 270 26 32 18 16 M 22 1,5 10 335 335 281 280,8 390 385 26 32
28、18 16 M 22 1,5 aFor centering method BM, a chamfer of 1,5 +1/0 45 shall be applied. Key N main connecting parameters: number of bolt holes bolt circle diameter D1bolt circle diameter D2bolt hole diameter D3centre bore diameter D4diameter of flat surface of wheel disc D5centre hub diameter D6diameter
29、 of wheel contact surface D7external diameter of countersink d thread of corresponding bolt (preferred) R1radius of spherical countersink S thickness of wheel disc *) Translators note. N (missing in German original) DIN 74361-1:2008-06 12 Table 5 Countersink designations of mixed centering arrangeme
30、nts For bolt size nut side hub side both sides M14 M14ES28 M14IS28 M14DS28 M18 M18ES32 M18IS32 M18DS32 M20 M20ES36 M20IS36 M20DS36 M22 M22ES36 M22IS36 M22DS36 See Table 6 for an explanation of the countersink designations. DIN 74361-1:2008-06 13 Table 6 Explanation of the countersink designations li
31、sted in Tables 3 and 5 M 22 I S 36 B E C 80 Explanations D diameter (theoretical sphere with 2 r1) angle (theoretical cone angle of ) S = spherical countersink C = conical countersink I = countersink on hub side E = countersink on nut side D = countersink on both sides bolt diameter B = bolt centeri
32、ng M = mixed centering (only in conjunction with a countersink designation) Figure 12 Centering sleeves Table 7 Centering sleeves Dimensions in millimetres Bolt Single wheels Twin wheels diDaB diDaB b 20 20 24,4 6 20 24,4 18 20*)2 22 22 25 6 22 25 18 20*)2 To centre the wheels, centering sleeves sha
33、ll be installed on two diametrically opposed wheel bolts in a circumferential direction. 4 Technical delivery conditions Depending on the intended use, the chamfer on the centre bore can be made either on the mounting face or on both sides of the wheel disc. 5 Marking Disc wheels conforming to this standard shall be marked in accordance with DIN 7829. *)Translators note. 20
