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Locking Assembly RfN 7015.1 for bending loads

This version of the RfN 7015 is designed for high bending load applications such as conveyor pulleys, by providing lower shaft and hub pressures.





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

RINGFEDER® RfN 7015.1

metric inch
CAD d D L L1 T pW pN TA 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 75 65 6575 91 63 83 6540 125 86 681
  110 155 75 65 8037 92 65 83 7900 130 92 1475
  120 165 75 65 10521 101 74 83 10460 147 107 1128
  130 180 84 74 14247 101 73 83 14170 145 105 1476
  140 190 84 74 15343 94 69 83 15260 138 101 1589
  150 200 84 74 17534 94 70 83 17440 140 105 1816
  160 210 84 74 21041 99 75 83 20930 151 115 2160
  170 225 93 81 27352 105 80 145 27210 159 120 2788
  180 235 93 81 30892 106 81 145 30730 164 125 3161
  190 250 106 94 36684 96 73 145 36500 144 109 3674
  200 260 106 94 42906 101 78 145 42690 154 119 4298
  220 285 116 104 49556 89 69 145 49300 135 104 5033
  240 305 116 104 61784 93 73 145 61470 145 114 6225
  260 325 116 104 75300 97 77 145 74920 155 124 7552
  280 355 140 126 115034 106 84 230 114450 164 129 11574
  300 375 140 126 123250 99 80 230 122630 157 125 12351
  320 405 158 142 179962 110 87 355 179050 171 135 18093
  340 425 158 142 191209 103 83 355 190250 164 131 19131
  360 455 183 165 209622 84 67 485 208570 130 103 20978
  380 475 183 165 248927 90 72 485 247670 141 113 24980
  400 495 183 165 310552 101 82 485 308990 162 131 31104
  420 515 183 165 326079 96 78 485 324440 157 128 32655
  440 545 200 180 372775 91 74 690 370900 147 119 37338
  460 565 200 180 389719 87 71 690 387760 143 117 39026
  480 585 200 180 451848 93 76 690 449500 155 127 46004
  500 605 200 180 470675 89 74 690 468300 151 125 47224
  520 630 220 200 522135 80 66 690 519500 134 110 52395
  540 650 220 200 542218 77 64 690 539400 131 109 55205
  560 670 220 200 632587 84 70 690 629400 144 120 63421
  580 690 220 200 655180 81 68 690 651890 141 119 65573
  600 710 220 200 677772 78 66 690 674370 138 117 67823
  620 730 220 200 700364 76 64 690 696850 136 115 70074
  640 750 220 200 722957 73 63 690 705037 132 113 159967
  660 770 220 200 828388 79 68 690 783300 142 122 269570
  680 790 220 200 853491 77 66 690 783300 138 119 338951
  700 810 220 200 878593 75 64 690 783300 134 116 397954
  720 830 220 200 903696 73 63 690 783300 131 113 450675
  740 850 220 200 975239 74 65 690 822500 133 116 524008
  760 870 220 200 1001596 72 63 690 822500 130 113 571567
  780 890 220 200 1027954 70 62 690 822500 127 111 616590
  800 910 220 200 1054312 69 60 690 822500 123 108 659597
CAD d D L L1 T pW pN TA 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 2.953 2.559 4850 13188 9130 61 4824 18116 12464 0
  4.331 6.102 2.953 2.559 5928 13333 9420 61 5827 18841 13333 1088
  4.724 6.496 2.953 2.559 7760 14638 10725 61 7715 21304 15507 832
  5.118 7.087 3.307 2.913 10508 14638 10580 61 10451 21014 15217 1089
  5.512 7.480 3.307 2.913 11317 13623 10000 61 11255 20000 14638 1172
  5.906 7.874 3.307 2.913 12933 13623 10145 61 12863 20290 15217 1339
  6.299 8.268 3.307 2.913 15519 14348 10870 61 15437 21884 16667 1593
  6.693 8.858 3.661 3.189 20174 15217 11594 107 20069 23043 17391 2056
  7.087 9.252 3.661 3.189 22785 15362 11739 107 22666 23768 18116 2331
  7.480 9.843 4.173 3.701 27057 13913 10580 107 26921 20870 15797 2710
  7.874 10.236 4.173 3.701 31646 14638 11304 107 31487 22319 17246 3170
  8.661 11.220 4.567 4.094 36551 12899 10000 107 36362 19565 15072 3712
  9.449 12.008 4.567 4.094 45570 13478 10580 107 45339 21014 16522 4591
  10.236 12.795 4.567 4.094 55539 14058 11159 107 55259 22464 17971 5570
  11.024 13.976 5.512 4.961 84846 15362 12174 170 84415 23768 18696 8537
  11.811 14.764 5.512 4.961 90906 14348 11594 170 90448 22754 18116 9110
  12.598 15.945 6.220 5.591 132735 15942 12609 262 132062 24783 19565 13345
  13.386 16.732 6.220 5.591 141030 14928 12029 262 140323 23768 18986 14110
  14.173 17.913 7.205 6.496 154611 12174 9710 358 153835 18841 14928 15473
  14.961 18.701 7.205 6.496 183602 13043 10435 358 182674 20435 16377 18425
  15.748 19.488 7.205 6.496 229054 14638 11884 358 227902 23478 18986 22941
  16.535 20.276 7.205 6.496 240507 13913 11304 358 239298 22754 18551 24085
  17.323 21.457 7.874 7.087 274948 13188 10725 509 273565 21304 17246 27539
  18.110 22.244 7.874 7.087 287446 12609 10290 509 286001 20725 16957 28784
  18.898 23.031 7.874 7.087 333270 13478 11014 509 331539 22464 18406 33931
  19.685 23.819 7.874 7.087 347157 12899 10725 509 345405 21884 18116 34831
  20.472 24.803 8.661 7.874 385112 11594 9565 509 383169 19420 15942 38645
  21.260 25.591 8.661 7.874 399925 11159 9275 509 397846 18986 15797 40718
  22.047 26.378 8.661 7.874 466578 12174 10145 509 464228 20870 17391 46778
  22.835 27.165 8.661 7.874 483242 11739 9855 509 480816 20435 17246 48365
  23.622 27.953 8.661 7.874 499906 11304 9565 509 497396 20000 16957 50024
  24.409 28.740 8.661 7.874 516569 11014 9275 509 513977 19710 16667 51685
  25.197 29.528 8.661 7.874 533233 10580 9130 509 520015 19130 16377 117987
  25.984 30.315 8.661 7.874 610996 11449 9855 509 577740 20580 17681 198827
  26.772 31.102 8.661 7.874 629511 11159 9565 509 577740 20000 17246 250001
  27.559 31.890 8.661 7.874 648026 10870 9275 509 577740 19420 16812 293520
  28.346 32.677 8.661 7.874 666541 10580 9130 509 577740 18986 16377 332405
  29.134 33.465 8.661 7.874 719309 10725 9420 509 606653 19275 16812 386494
  29.921 34.252 8.661 7.874 738749 10435 9130 509 606653 18841 16377 421572
  30.709 35.039 8.661 7.874 758190 10145 8986 509 606653 18406 16087 454779
  31.496 35.827 8.661 7.874 777631 10000 8696 509 606653 17826 15652 486500

Characteristics

Version of the Locking Assembly RfN 7015.0 with lower surface pressure for reduction of the stresses at soft end discs.

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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