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Locking Assembly RfN 7015.1

This version of the RfN 7015 is designed for high bending load applications such as conveyor pulleys, by providing lower shaft and hub pressures. Available in sizes 100 to 800 mm.

RINGFEDER® RfN 7015.1

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metric inch
CAD d D L L1 L3 T pW pN TA DN min bei Rp0,2 400 N/mm2 Gw Tmax
  mm mm mm mm mm Nm N/mm2 N/mm2 Nm mm kg Nm
  100 145 75 65 60 6575 91 63 83 166 4,1 7736
  110 155 75 65 60 8037 92 65 83 178 4,4 9455
  120 165 75 65 60 10521 101 74 83 193 4,8 12377
  130 180 84 74 68 14247 101 73 83 211 6,5 16761
  140 190 84 74 68 15343 94 69 83 221 7 18050
  150 200 84 74 68 17534 94 70 83 233 7,4 20629
  160 210 84 74 68 21041 99 75 83 247 7,8 24754
  170 225 93 81 75 27352 105 80 145 267 10 32179
  180 235 93 81 75 30892 106 81 145 280 10,6 36344
  190 250 106 94 88 36684 96 73 145 294 14,3 43158
  200 260 106 94 88 42906 101 78 145 309 15 50477
  220 285 116 104 98 49556 89 69 145 332 19,8 58301
  240 305 116 104 98 61784 93 73 145 359 21,4 72688
  260 325 116 104 98 75300 97 77 145 387 23 88588
  280 355 140 126 120 115034 106 84 230 431 35,2 135334
  300 375 140 126 120 123250 99 80 230 450 37,4 145001
  320 405 158 142 135 179962 110 87 355 495 51,3 211720
  340 425 158 142 135 191209 103 83 355 514 54,1 224952
  360 455 183 165 158 209622 84 67 485 529 75,4 246615
  380 475 183 165 158 248927 90 72 485 559 79 292855
  400 495 183 165 158 310552 101 82 485 598 82,8 365355
  420 515 183 165 158 326079 96 78 485 617 86,5 383623
  440 545 200 180 172 372775 91 74 690 644 110 438558
  460 565 200 180 172 389719 87 71 690 663 114 458493
  480 585 200 180 172 451848 93 76 690 696 119 531586
  500 605 200 180 172 470675 89 74 690 715 123 553735
  520 630 220 200 190 522135 80 66 690 732 148 614277
  540 650 220 200 190 542218 77 64 690 751 154 637903
  560 670 220 200 190 632587 84 70 690 785 160 744220
  580 690 220 200 190 655180 81 68 690 805 165 770800
  600 710 220 200 190 677772 78 66 690 824 170 797379
  620 730 220 200 190 700364 76 64 690 844 175 823958
  640 750 220 200 190 722957 73 63 690 863 180 850537
  660 770 220 200 190 745549 71 61 690 882 194 877117
  680 790 220 200 190 768142 69 59 690 902 199 903696
  700 810 220 200 190 790734 67 58 690 922 205 930275
  720 830 220 200 190 813326 65 57 690 941 210 956855
  740 850 220 200 190 835919 64 55 690 961 216 983434
  760 870 220 200 190 858511 62 54 690 980 221 1010013
  780 890 220 200 190 881104 60 53 690 1000 227 1036593
  800 910 220 200 190 903696 59 52 690 1020 232 1063172
CAD d D L L1 L3 T pW pN TA DN min bei Rp0,2 400 N/mm2 Gw Tmax
  inch inch inch inch inch ft-lbs psi psi ft-lbs inch lbs ft-lbs
  3.937 5.709 2.953 2.559 2.362 4850 13188 9130 61 6.535 9 5706
  4.331 6.102 2.953 2.559 2.362 5928 13333 9420 61 7.008 10 6974
  4.724 6.496 2.953 2.559 2.362 7760 14638 10725 61 7.598 11 9129
  5.118 7.087 3.307 2.913 2.677 10508 14638 10580 61 8.307 14 12362
  5.512 7.480 3.307 2.913 2.677 11317 13623 10000 61 8.701 15 13313
  5.906 7.874 3.307 2.913 2.677 12933 13623 10145 61 9.173 16 15215
  6.299 8.268 3.307 2.913 2.677 15519 14348 10870 61 9.724 17 18258
  6.693 8.858 3.661 3.189 2.953 20174 15217 11594 107 10.512 22 23734
  7.087 9.252 3.661 3.189 2.953 22785 15362 11739 107 11.024 23 26806
  7.480 9.843 4.173 3.701 3.465 27057 13913 10580 107 11.575 32 31832
  7.874 10.236 4.173 3.701 3.465 31646 14638 11304 107 12.165 33 37230
  8.661 11.220 4.567 4.094 3.858 36551 12899 10000 107 13.071 44 43001
  9.449 12.008 4.567 4.094 3.858 45570 13478 10580 107 14.134 47 53613
  10.236 12.795 4.567 4.094 3.858 55539 14058 11159 107 15.236 51 65340
  11.024 13.976 5.512 4.961 4.724 84846 15362 12174 170 16.969 78 99819
  11.811 14.764 5.512 4.961 4.724 90906 14348 11594 170 17.717 82 106949
  12.598 15.945 6.220 5.591 5.315 132735 15942 12609 262 19.488 113 156159
  13.386 16.732 6.220 5.591 5.315 141030 14928 12029 262 20.236 119 165918
  14.173 17.913 7.205 6.496 6.220 154611 12174 9710 358 20.827 166 181896
  14.961 18.701 7.205 6.496 6.220 183602 13043 10435 358 22.008 174 216002
  15.748 19.488 7.205 6.496 6.220 229054 14638 11884 358 23.543 183 269476
  16.535 20.276 7.205 6.496 6.220 240507 13913 11304 358 24.291 191 282950
  17.323 21.457 7.874 7.087 6.772 274948 13188 10725 509 25.354 243 323468
  18.110 22.244 7.874 7.087 6.772 287446 12609 10290 509 26.102 251 338172
  18.898 23.031 7.874 7.087 6.772 333270 13478 11014 509 27.402 262 392083
  19.685 23.819 7.874 7.087 6.772 347157 12899 10725 509 28.150 271 408419
  20.472 24.803 8.661 7.874 7.480 385112 11594 9565 509 28.819 326 453073
  21.260 25.591 8.661 7.874 7.480 399925 11159 9275 509 29.567 340 470499
  22.047 26.378 8.661 7.874 7.480 466578 12174 10145 509 30.906 353 548916
  22.835 27.165 8.661 7.874 7.480 483242 11739 9855 509 31.693 364 568520
  23.622 27.953 8.661 7.874 7.480 499906 11304 9565 509 32.441 375 588124
  24.409 28.740 8.661 7.874 7.480 516569 11014 9275 509 33.228 386 607728
  25.197 29.528 8.661 7.874 7.480 533233 10580 9130 509 33.976 397 627332
  25.984 30.315 8.661 7.874 7.480 549896 10290 8841 509 34.724 428 646937
  26.772 31.102 8.661 7.874 7.480 566560 10000 8551 509 35.512 439 666541
  27.559 31.890 8.661 7.874 7.480 583223 9710 8406 509 36.299 452 686145
  28.346 32.677 8.661 7.874 7.480 599886 9420 8261 509 37.047 463 705749
  29.134 33.465 8.661 7.874 7.480 616550 9275 7971 509 37.835 476 725353
  29.921 34.252 8.661 7.874 7.480 633214 8986 7826 509 38.583 487 744957
  30.709 35.039 8.661 7.874 7.480 649878 8696 7681 509 39.37 500 764562
  31.496 35.827 8.661 7.874 7.480 666541 8551 7536 509 40.157 511 784166

Characteristics

  • Locking Assembly for transmission of torques, axial forces and high bending moments at reduced contact pressures, with special requirements to the true running of the clamped pieces.
  • Special features - With the long and flat angle of the cones, the required loads can be transferred with one Locking Assembly RfN 7015.1. During mounting Locking Assembly, shaft and hub remain to each other in position. Compared to three-part construction types, thus an additional safety is provided. Shaft and hub are only compression loaded.
  • Bending moment and radial loads – combined loads can be transmitted (Please contact our technical department for assistance).
  • Excellent centering ability – with a relatively wide design and the precentering web the RfN 7015.1 Locking Assembly has excellent centering ability.

Example applications:

  • belt drums
  • gear wheels

Mounting of Locking Assembly

The values for T, Fax, pW and pN apply to Locking Assemblies installed in oiled condition.

Surface finishes

For shafts and hub bores Ra ≤ 3,2 μm

Tolerances

We recommend the following mounting tolerances

Shaft: h8; Hub: H8

Arrangement of several Locking Assemblies RfN 7015.0

Max. two RfN 7015.1 Locking Assemblies can be used in series, the transmissible torques and axial forces are added.

Change of screw tightening torques

A reduction of the contact pressures and the transmission values by reducing the tightening torque of the screws is possible. the admissible lower limit results from the multiplication of the TA values of the above table by 0,8. There is an approximate linear relationship between T, TA , Fax, pW and pN.

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