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Locking Assembly RfN 7085

Precise axial and radial positioning of the components. Easy to connect and to release – no seizures along the shaft. Perfect for engaged connections. Excellent concentricity and radial run.

RINGFEDER® RfN 7085

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metric inch
CAD d D L l3 T pW pN SW TA
  mm mm mm mm Nm N/mm2 N/mm2 mm Nm
  5 12 19 9 10 264 119 14 10
  6 12 19 9 12 220 119 14 10
  7 14 22 11 20 205 121 16 17
  8 14 22 11 23 180 121 16 17
  9 18 24 12 43 246 144 22 35
  10 18 24 12 48 221 144 22 35
  11 20 24 12 59 225 145 22 44
  12 20 24 12 65 207 145 22 44
  14 24 28 15 93 179 118 27 65
  15 24 28 15 99 167 118 27 65
  16 24 28 15 106 156 118 27 65
  17 26 34 16 163 187 148 32 110
  18 30 36 17 223 224 155 36 160
  19 30 36 17 235 213 155 36 160
  20 30 36 17 248 202 155 36 160
  22 38 41 20 349 197 134 46 250
  24 38 41 20 381 181 134 46 250
  25 38 41 20 397 174 134 46 250
  28 42 44 23 565 174 134 50 355
  30 42 44 23 605 163 134 50 355
  32 50 51 28 764 166 112 55 490
  35 50 51 28 836 152 112 55 490
  38 58 58 32 1140 155 116 65 700
  40 58 58 32 1200 147 116 65 700
  42 60 63 37 1250 120 94 65 740
  45 60 63 37 1340 112 94 65 740
CAD d D L l3 T pW pN SW TA
  inch inch inch inch ft-lbs psi psi mm ft-lbs
  0.197 0.472 0.748 0.354 7.4 38316 17271 14 7.3
  0.236 0.472 0.748 0.354 8.9 31930 17271 14 7.3
  0.276 0.551 0.866 0.433 15 29753 17562 16 13
  0.315 0.551 0.866 0.433 17 26125 17562 16 13
  0.354 0.709 0.945 0.472 32 35704 20900 22 26
  0.394 0.709 0.945 0.472 35 32075 20900 22 26
  0.433 0.787 0.945 0.472 44 32656 21045 22 32
  0.472 0.787 0.945 0.472 48 30044 21045 22 32
  0.551 0.945 1.102 0.591 69 25980 17126 27 48
  0.591 0.945 1.102 0.591 73 24238 17126 27 48
  0.630 0.945 1.102 0.591 78 22642 17126 27 48
  0.669 1.024 1.339 0.630 120 27141 21480 32 81
  0.709 1.181 1.417 0.669 164 32511 22496 36 119
  0.748 1.181 1.417 0.669 173 30914 22496 36 119
  0.787 1.181 1.417 0.669 183 29318 22496 36 119
  0.866 1.496 1.614 0.787 257 28592 19448 46 185
  0.945 1.496 1.614 0.787 281 26270 19448 46 185
  0.984 1.496 1.614 0.787 293 25254 19448 46 185
  1.102 1.654 1.732 0.906 417 25254 19448 50 262
  1.181 1.654 1.732 0.906 446 23657 19448 50 242
  1.260 1.969 2.008 1.102 564 24093 16255 55 361
  1.378 1.969 2.008 1.102 617 22061 16255 55 361
  1.496 2.283 2.283 1.260 841 22496 16836 65 516
  1.575 2.283 2.283 1.260 885 21335 16836 65 516
  1.654 2.362 2.480 1.457 922 17417 13643 65 546
  1.772 2.362 2.480 1.457 988 16255 13643 65 546

Characteristics

  • Precise axial and radial positioning of the components
  • Easy to connect and to release – no seizures along the shaft
  • Perfect for engaged connections
  • Excellent concentricity and radial run
  • Single locking nut for quick installation and settings
  • Minimal external diameter for assembling thin-walled components
  • Excellent torque transmission even during partial seizures of the shaft
  • Suitable for grooveless and keyless shafts
  • Lightweight, low mass moment of inertia

Basic dimensions when screws are not tightened

d
=
Inner diameter
D
=
Outer diameter
L
=
Overall width
L1
=
Installation length without Locking nut
SW
=
Wrench size
T
=
Transmissible torque at given TA
Fax
=
Transmissible axial force
pW
=
Surface pressure on shaft at given TA
pN
=
Surface pressure on hub at given TA
TA
=
Max. tightened torque of the screws
Gw
=
Weight

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