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Locking Assembly RfN 7015.0 for bending loads

For superb centering and high torque transmission, this dual tapered device reflects the best in RINGFEDER engineering expertise. This style is in two types, 7015.0 for general engineering applications and 7015.1 for conveyor pulley applications. Available in sizes 100 to 600 mm.

If the pressures are too high for the application please note datasheets Mb 20% - Mb 80% with reduced bending moments.

RINGFEDER® RfN 7015.0

metric inch
CAD d D L L1 T pW pN TAred. Mbmax. pWmax bei Mbmax pNmax bei Mbmax Tres bei Mbmax
  mm mm mm mm Nm N/mm2 N/mm2 Nm Nm N/mm2 N/mm2 Nm
  100 145 77  65  11297 157 108 115 11200 215 148 1474
  110 155 77  65  12426 142 101 115 12300 201 143 1767
  120 165 77  65  16267 157 114 115 16100 227 165 2326
  130 180 86  74  22028 156 113 115 21900 224 162 2375
  140 190 86  74  28468 174 128 115 21600 236 174 18543
  150 200 86  74  30501 163 122 115 30300 224 183 3495
  160 210 86  74  37957 178 136 115 22500 234 179 30569
  170 225 95  81  47955 179 135 185 33300 244 184 34508
  180 235 95  81  50776 169 129 185 49800 260 199 9909
  190 250 108  94  59552 149 113 185 58300 224 170 12149
  200 260 108  94  75224 170 131 185 30900 208 160 68585
  220 285 120  104  84791 152 117 285 84300 230 178 9107
  240 305 120  104  123332 186 146 285 52500 230 181 111599
  260 325 120  104  139176 178 143 285 51900 219 175 129137
  280 355 144  126  174092 161 127 390 124600 223 176 121585
  300 375 144  126  194299 157 125 390 139200 222 177 135556
  320 405 162  142  265703 159 125 550 171300 216 171 203112
  340 425 162  142  282310 149 120 550 229800 222 178 163984
  360 455 187  165  371148 149 118 745 295300 214 169 224830
  380 475 187  165  391767 141 113 745 389800 223 178 39211
  400 495 187  165  412387 134 108 745 410300 215 174 41431
  420 515 187  165  519607 153 125 745 311300 212 173 416033
  440 545 204  180  639702 154 124 960 417000 216 175 485108
  460 565 204  180  668779 147 120 960 485800 217 177 459635
  480 585 204  180  744381 150 123 960 446100 212 174 595900
  500 605 204  180  775396 144 119 960 474800 207 171 613029
  520 630 227  200  1014357 156 129 1440 613500 219 181 807798
  540 650 227  200  1053370 150 125 1440 674900 217 180 808764
  560 670 227  200  1092384 145 121 1440 684200 210 176 851571
  580 690 227  200  1131398 140 118 1440 890500 222 186 697904
  600 710 227  200  1248439 144 122 1440 798300 215 182 959853
  620 730 227  200  1290054 140 119 1440 1004600 226 192 809331
  640 750 227  200  1456512 148 126 1440 651400 202 173 1302730
  660 770 227  200  1502028 143 123 1440 772500 206 176 1288151
  680 790 227  200  1591760 143 123 1440 435600 177 153 1530997
  700 810 227  200  1638576 139 120 1440 641900 188 163 1507613
  720 830 227  200  1872658 150 130 1440 645200 198 172 1758001
  740 850 227  200  1924677 146 127 1440 654500 193 168 1809975
  760 870 227  200  1976695 142 124 1440 663800 189 165 1861906
  780 890 227  200  2028713 139 122 1440 673100 185 162 1913796
  800 910 227  200  2184768 142 125 1440 777900 194 170 2041588
CAD d D L L1 T pW pN TAred. Mbmax. pWmax bei Mbmax pNmax bei Mbmax Tres bei Mbmax
  inch inch inch inch ft-lbs psi psi ft-lbs ft-lbs psi psi ft-lbs
  3.937 5.709 3.031 2.559 8332 22754 15652 85 8261 31159 21449 1087
  4.331 6.102 3.031 2.559 9165 20580 14638 85 9072 29130 20725 1303
  4.724 6.496 3.031 2.559 11998 22754 16522 85 11875 32899 23913 1716
  5.118 7.087 3.386 2.913 16247 22609 16377 85 16153 32464 23478 1752
  5.512 7.480 3.386 2.913 20997 25217 18551 85 15932 34203 25217 13677
  5.906 7.874 3.386 2.913 22497 23623 17681 85 22348 32464 26522 2578
  6.299 8.268 3.386 2.913 27996 25797 19710 85 16595 33913 25942 22547
  6.693 8.858 3.740 3.189 35370 25942 19565 136 24561 35362 26667 25452
  7.087 9.252 3.740 3.189 37451 24493 18696 136 36731 37681 28841 7309
  7.480 9.843 4.252 3.701 43924 21594 16377 136 43000 32464 24638 8961
  7.874 10.236 4.252 3.701 55483 24638 18986 136 22791 30145 23188 50586
  8.661 11.220 4.724 4.094 62539 22029 16957 210 62177 33333 25797 6717
  9.449 12.008 4.724 4.094 90966 26957 21159 210 38723 33333 26232 82312
  10.236 12.795 4.724 4.094 102652 25797 20725 210 38280 31739 25362 95248
  11.024 13.976 5.669 4.961 128405 23333 18406 288 91901 32319 25507 89678
  11.811 14.764 5.669 4.961 143309 22754 18116 288 102670 32174 25652 99982
  12.598 15.945 6.378 5.591 195975 23043 18116 406 126346 31304 24783 149810
  13.386 16.732 6.378 5.591 208224 21594 17391 406 169494 32174 25797 120950
  14.173 17.913 7.362 6.496 273748 21594 17101 549 217805 31014 24493 165828
  14.961 18.701 7.362 6.496 288956 20435 16377 549 287506 32319 25797 28921
  15.748 19.488 7.362 6.496 304165 19420 15652 549 302626 31159 25217 30558
  16.535 20.276 7.362 6.496 383248 22174 18116 549 229606 30725 25072 306854
  17.323 21.457 8.031 7.087 471826 22319 17971 708 307567 31304 25362 357802
  18.110 22.244 8.031 7.087 493273 21304 17391 708 358312 31449 25652 339014
  18.898 23.031 8.031 7.087 549035 21739 17826 708 329031 30725 25217 439519
  19.685 23.819 8.031 7.087 571910 20870 17246 708 350199 30000 24783 452153
  20.472 24.803 8.937 7.874 748161 22609 18696 1062 452500 31739 26232 595809
  21.260 25.591 8.937 7.874 776936 21739 18116 1062 497787 31449 26087 596522
  22.047 26.378 8.937 7.874 805712 21014 17536 1062 504647 30435 25507 628095
  22.835 27.165 8.937 7.874 834487 20290 17101 1062 656808 32174 26957 514754
  23.622 27.953 8.937 7.874 920814 20870 17681 1062 588804 31159 26377 707961
  24.409 28.740 8.937 7.874 951508 20290 17246 1062 740965 32754 27826 596940
  25.197 29.528 8.937 7.874 1074282 21449 18261 1062 480454 29275 25072 960857
  25.984 30.315 8.937 7.874 1107854 20725 17826 1062 569774 29855 25507 950104
  26.772 31.102 8.937 7.874 1174037 20725 17826 1062 321286 25652 22174 1129220
  27.559 31.890 8.937 7.874 1208568 20145 17391 1062 473447 27246 23623 1111973
  28.346 32.677 8.937 7.874 1381201 21772 18869 1062 475875 28696 24928 1296635
  29.134 33.465 8.937 7.874 1419569 21191 18433 1062 482734 28013 24384 1334969
  29.921 34.252 8.937 7.874 1457935 20611 17998 1062 489594 27432 23949 1373271
  30.709 35.039 8.937 7.874 1496301 20175 17708 1062 496453 26852 23513 1411543
  31.496 35.827 8.937 7.874 1611402 20611 18143 1062 573750 28158 24675 1505798

Explanation to table

A bending moment, created by radial forces, results in an additional load for the Locking Assembly, shaft and hub. This load creates an additional pressure, works in rotation and has to be superpositioned with the pressure resulting from the Locking Assembly. For a viable connection, a minimum surface pressure at the contact areas between Locking Assembly, shaft and hub must be maintained, as soon as shaft and hub have to take up the maximal pressures. Additionally, the listed torque values (T) have been reduced due to the additional bending moments. To achieve lower stresses for the Locking Assemblies the screw tightening torques (TA) have also been reduced.

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