DIN 5418-1993 Rolling bearings dimensions for mounting《滚动轴承 安装尺寸》.pdf
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1、UDC 621.822.61.8 DEUTSCHE NORM February 1993 DIN - Mounting dimensions of rolling bearings 5418 Beuth Verlag GrnbH. Berlin, has the exclusive right of sale for German Standards (DIN-Normen). 03.95 DIN 5418 Engl. Price group 12 Sales No. O1 12 Wlzlager; Mae fr den Einbau Supersedes March 1981 edition
2、. In keeping with current practice in standards published by the International Organization for Standardization (ISO), a comma has been used throughout as the decimal marker. Dimensions in mm 1 Scope and field of application This standard gives design details of shoulders of shafts and housings, in
3、or on which rolling bearings are to be seated. Compliance with the values specified precludes distortion of the bearing as a result of inadequate fillet radii, leaves enough space for any projecting cage parts of tapered roller bearings and ensures ease of mounting and removal. Where axial loads are
4、 high and in the case of axial contact bearings, attention should be paid to the manufacturers instructions with regard to the design of adjacent machine parts. Continued on pages 2 to 20. Page 2 DIN 5418 2 Dimensions 2.1 Corner radii and shoulder heights Corner radii on shafts and housings shall pr
5、ovide the clearance required for the chamfer on the inner or oute ring of the bear- ing as a function of the chamfer dimension. The shoulder height shall be designed to ensure a seating (contact) surface of adequate size, whilst permitting easy use of withdrawal tools. h h, shoulder height on shaft
6、and housing depth of undercut (type F undercut as in DIN 509 optional, except for radial deep groove ball bearings as in DIN 625 Part 1) ras fillet radius on shaft rbs fillet radius on housing Figure 1 : Housing rs chamfer dimension on roller bearing (single value) -tt Figure 2: Shaft Figure 3: Shaf
7、t with undercut Table 1: Corner radii and shoulder heights of radial bearings (except tapered roller bearings) hi), *) Diameter series as in DIN 616 (min.) 4 8; 9; o (min.) (max.) 0,15 0,15 1 13 2 2-1 3 395 484 5,1 375 475 575 6 3 4 5 6 25 3 4 5 62 7,3 9 11,5 7 83 10 13 8 10 12 15 73 935 12 15 6 8 1
8、0 12 14 17 21 25 16 20 24 29 19 23 28 33 1) If a type F undercut as specified in DIN 509 is provided, the following condition shall be met: h - hi 2 hmin - rs max? rs max (as in DIN 620 Part 6) being the maximum value correlated to the r, min value characteristic of the bearing con- cerned. However,
9、 the maximum value of h should not exceed 1,5 times the values given in the table. those for diameter series 8, 9 and O, to diameter series 1, 2 and 3. 2) In the absence of high axial loads, the values given for diameter series 1, 2 and 3 also apply to diameter series 4 and DIN 5418 Page 3 D - 52 62
10、 72 80 90 100 110 120 130 140 150 160 170 180 190 200 215 225 240 260 280 300 320 2.2 Mounting dimensions of cylindrical roller bearings Cylindrical roller bearings consist of separable sub-units. Provided that adjacent machine parts are designed in accordance with table 2, the housings, together wi
11、th the outer rings located therein and together with the set of rollers, are capable of being separated from the shafi and from the inner rings which remain attached to it. da max. - 27 33 40 45 51 57 63 69 75 81 87 93 99 106 111 119 125 132 140 151 164 176 190 da max. - - - 44 52 57 63 69 76 82 88
12、99 103 109 111 122 db min. - - - 47 55 60 66 73 79 85 91 102 107 112 115 125 Figure 4: NU Figure 5: NJ Figure 6: NUP Table 2: Cylindrical roller bearings as specified in DIN 5412 Part 1 Bearing series NU 2, NU 2 E, NU 22, NU 22 E, NJ 2, NJ 2 E, NJ 22, NJ 22 E, NUP 2, NUP 2 E, NUP 22, NUP 22 E NU 3,
13、NU 3 E, NU 23, NU 23 E, NJ 3, NJ 3 E, NJ 23, NJ 23 E, NUP 3, NUP 3 E, NUP 23, NUP 23 E Bearing bore diameter, d 17 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1 O0 105 110 1 20 130 140 1 50 1 60 170 180 190 200 220 240 260 NU 10, NU 20 E NU 4, NJ 4, NUP 4 - dc min. - dc min. - dc min. - D da max
14、. db min. D da max. 21 26 31 37 - db min. db min. D - 42 47 55 - 25 30 35 - 27 32 38 40 47 52 62 25 29 34 40 46 52 57 62 - 27 32 37 44 - 30 37 44 - 33 40 48 62 68 75 80 41 46 52 57 44 49 54 59 72 80 85 90 43 49 54 58 50 56 61 67 48 55 60 67 53 60 66 73 1 O0 110 120 130 61 67 74 81 90 95 1 O0 110 63
15、68 73 78 66 71 76 82 1 O0 110 120 125 65 71 77 82 87 94 99 105 - 68 75 81 86 90 97 104 1 o9 - 73 80 87 92 96 104 110 116 - 72 79 85 92 97 105 110 117 1 24 132 137 145 - - 80 86 93 1 O0 106 114 119 127 - 140 150 160 180 190 200 210 225 - 87 94 1 O0 112 118 124 128 139 - 115 125 130 140 145 150 1 60 1
16、70 - 83 90 95 1 o1 106 111 118 1 24 - 87 94 99 106 111 116 122 128 - 130 140 150 160 170 180 190 200 - 111 117 124 130 116 122 129 135 146 1 58 171 184 - 123 130 137 144 134 143 149 1 58 240 250 260 280 149 156 162 173 1 80 200 21 o 225 134 146 156 167 178 190 203 213 226 248 268 292 - - 138 151 161
17、 173 21 5 230 250 270 141 151 166 179 156 168 182 196 156 1 69 182 195 171 184 198 21 3 31 O 340 360 380 190 208 222 237 240 260 280 290 31 O 340 360 400 - 184 197 209 219 233 254 275 300 - 290 31 O 320 340 360 400 440 480 - 192 204 214 227 240 266 293 318 197 21 1 221 234 247 273 298 323 - 210 223
18、233 247 261 289 316 343 - 21 1 223 235 248 263 - - - - 228 24 1 255 268 283 - - - - I (continued) Page 4 DIN 5418 42 42 Table 2 (concluded) max. min. min. max. min. min. min. 22 21 36 36 38 2 3 22 21 35 36 38 2 4 2.3 Mounting dimensions of tapered roller bearings In the case of tapered roller bearin
19、gs, the cage protrudes beyond the face of the outer rings. In order to preclude any risk of the protruding cage grazing against machine parts, the dimensions specified in table 3 shall be complied with. 40 40 47 47 o“ I 23 23 22 23 25 23 24 23 Figure 7: Tapered roller bearing (sectional view) Table
20、3: DIN 720 tapered roller bearing 34 34 40 39 il 34 34 41 41 Bearing bore diameter, d 15 17 20 22 2 3 2 3 I I I I I I 2 3 3 4 I I I I I I I 37 37 42 43 52 52 40 26 44 27 24 25 26 26 25 27 27 26 27 32 36 40 39 37 44 43 - 37 41 41 41 45 45 34 39 43 43 44 47 47 I I 3 4 2 3 4 3 3,5 ras max Ybs max. Symb
21、ol 1 1 1 1 303 02 323 02 302 O3 322 O3 303 O3 323 O3 329 O4 320 O4 X 302 O4 322 O4 322 04 B 303 04 323 04 329122 320122 X DIN 5418 Page 5 Table 3 (continued) - da max. 29 30 30 31 31 30 30 34 34 33 32 33 33 33 - - Ca min. - 2 3 3 2 3 3 4 2 3 3 cb min ras mar rbs max Da db min. 30 30 30 31 31 31 31 3
22、2 32 32 32 34 34 34 Db min. 39 44 44 48 48 49 49 57 59 57 D - 42 47 47 52 52 52 52 62 62 62 45 52 58 58 Symbol min. 37 40 41 44 44 41 43 54 47 53 41 45 46 49 max. - - 42 42 46 46 46 46 55 55 55 - 46 52 52 3 3,5 3 3 4 4 4 3 5 5 329 05 320 05 X 330 05 302 05 322 05 322 05 B 332 05 303 05 313 05 323 05
23、 42 49 55 55 329128 320128 X 322128 B 332128 329 06 320 06 X 330 06 302 06 322 06 322 06 B 332 06 303 06 313 06 323 06 323 06 B 2 3 3 4 2 3 3 2 3 3 5 3 3 4 4 3 3 3 4 4 4 3 4 4 5 3 4 4 3 4 4 5,5 4,5 65 5,5 5,5 47 55 55 62 62 62 62 72 72 72 72 34 35 35 37 37 36 36 40 40 39 38 34 36 36 36 36 36 36 37 3
24、7 37 37 43 48 48 53 52 50 53 62 55 59 59 - 49 49 56 56 56 56 65 65 65 65 44 52 52 57 59 60 59 66 68 66 67 49 55 60 61 62 70 52 58 65 65 65 75 36 38 39 38 38 40 37 38 38 40 38 40 47 50 56 52 55 57 - 52 59 59 59 68 329132 320132 X 302132 322132 B 332132 323132 B 329 07 320 07 X 330 07 302 07 322 07 32
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