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Locking Assembly RfN 7090

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 7090

CAD data download is available after login.
metric inch
CAD d D L T SW TA
  mm mm mm Nm mm Nm
  4 8 15 3 8 4
  5 10 15 4 10 5
  6 10 15 7 10 8
  6,35 10 15 7 10 8
  7 12 15 8 12 9
  8 14 22 14 17 15
  9 14 22 14 17 15
  9,52 14 22 14 17 15
  10 17 22 18 19 19
  11 17 22 18 19 19
  12 17 22 18 19 19
  14 20 28 24 22 25
  15 20 28 24 22 25
  15,88 23 28 26 27 27
  16 23 28 26 27 27
  17 23 28 26 27 27
  19 25 28 29 27 30
  20 28 28 31 30 32
CAD d D L T SW TA
  inch inch inch ft-lbs mm ft-lbs
  0.157 0.315 0.591 2.2 8 3.0
  0.197 0.394 0.591 3.0 10 3.7
  0.236 0.394 0.591 5.2 10 5.9
  0.250 0.394 0.591 5.2 10 5.9
  0.276 0.472 0.591 5.9 12 6.7
  0.315 0.551 0.866 10 17 11
  0.354 0.551 0.866 10 17 11
  0.375 0.551 0.866 10 17 11
  0.394 0.669 0.866 13 19 14
  0.433 0.669 0.866 13 19 14
  0.472 0.669 0.866 13 19 14
  0.551 0.787 1.102 18 22 18
  0.591 0.787 1.102 18 22 18
  0.625 0.906 1.102 19 27 20
  0.630 0.906 1.102 19 27 20
  0.669 0.906 1.102 19 27 20
  0.748 0.984 1.102 21 27 22
  0.787 1.102 1.102 23 30 24

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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