SK3
Torque Limiter with conical clamp connection for direct drives

5 - 2,800 Nm

SK3 TORQUE LIMITER WITH CONICAL CLAMP CONNECTION FOR DIRECT DRIVES

  • SK3
  • Specifications SK3

    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien15
    Overall length ±2 (mm)A62 | 69
    Overall length ("F" Version) ±2 (mm)AF62 | 69
    Fit length (mm)C19
    Inside diameter range H7 (XL-Hub) (mm)D1/D210-22
    Outside diameter of coupling (mm)E49
    Moment of inertia (10-3 kgm2)Jges.0,10 | 0,15
    Approximate weight (kg)0,3
    Torsional stiffness (10³ Nm/rad)CT20 | 15
    6x Screw ISO 4017IM4
    Tightening torque of the fastening screw (Nm)I4
    Distance (mm)F13
    Distance, ("F" Version) (mm)FF13
    Lateral (mm)max.0,15 | 0,20
    Angular (degree)max.1 | 1,5
    Adjustment range available from - to (approx. values) (Nm)TKN5-10
    8-20
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN7-15
    Actuation ring Ø (mm)B55
    Actuation ring Ø, ("F" Version) (mm)BF62
    Actuation distance (mm)1,5
    Lateral spring stiffness475 | 137
    15
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien30
    Overall length ±2 (mm)A72 | 80
    Overall length ("F" Version) ±2 (mm)AF72 | 80
    Fit length (mm)C22
    Inside diameter range H7 (XL-Hub) (mm)D1/D212-23
    Outside diameter of coupling (mm)E55
    Moment of inertia (10-3 kgm2)Jges.0,28 | 0,30
    Approximate weight (kg)0,4
    Torsional stiffness (10³ Nm/rad)CT39 | 28
    6x Screw ISO 4017IM5
    Tightening torque of the fastening screw (Nm)I6
    Distance (mm)F16
    Distance, ("F" Version) (mm)FF14
    Lateral (mm)max.0,20 | 0,25
    Angular (degree)max.1 | 1,5
    Adjustment range available from - to (approx. values) (Nm)TKN10-25
    20-40
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN8-20
    16-30
    Actuation ring Ø (mm)B65
    Actuation ring Ø, ("F" Version) (mm)BF70
    Actuation distance (mm)1,5
    Lateral spring stiffness900 | 270
    30
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien60
    Overall length ±2 (mm)A84 | 94
    Overall length ("F" Version) ±2 (mm)AF84 | 94
    Fit length (mm)C27
    Inside diameter range H7 (XL-Hub) (mm)D1/D212-29
    Outside diameter of coupling (mm)E66
    Moment of inertia (10-3 kgm2)Jges.0,75 | 0,80
    Approximate weight (kg)1,2
    Torsional stiffness (10³ Nm/rad)CT76 | 55
    6x Screw ISO 4017IM5
    Tightening torque of the fastening screw (Nm)I8
    Distance (mm)F18
    Distance, ("F" Version) (mm)FF17
    Lateral (mm)max.0,20 | 0,25
    Angular (degree)max.1 | 1,5
    Adjustment range available from - to (approx. values) (Nm)TKN10-30
    25-80
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN20-40
    30-60
    Actuation ring Ø (mm)B73
    Actuation ring Ø, ("F" Version) (mm)BF83
    Actuation distance (mm)1,7
    Lateral spring stiffness1200 | 380
    60
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien150
    Overall length ±2 (mm)A93 | 105
    Overall length ("F" Version) ±2 (mm)AF93 | 105
    Fit length (mm)C32
    Inside diameter range H7 (XL-Hub) (mm)D1/D215-37
    Outside diameter of coupling (mm)E81
    Moment of inertia (10-3 kgm2)Jges.1,90 | 2,00
    Approximate weight (kg)2,3
    Torsional stiffness (10³ Nm/rad)CT175 | 110
    6x Screw ISO 4017IM6
    Tightening torque of the fastening screw (Nm)I12
    Distance (mm)F19
    Distance, ("F" Version) (mm)FF18
    Lateral (mm)max.0,20 | 0,25
    Angular (degree)max.1 | 1,5
    Adjustment range available from - to (approx. values) (Nm)TKN20-70
    45-150
    80-200
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN20-60
    40-80
    80-150
    Actuation ring Ø (mm)B92
    Actuation ring Ø, ("F" Version) (mm)BF98
    Actuation distance (mm)1,9
    Lateral spring stiffness1550 | 435
    150
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien200
    Overall length ±2 (mm)A99 | 111
    Overall length ("F" Version) ±2 (mm)AF102 | 114
    Fit length (mm)C32
    Inside diameter range H7 (XL-Hub) (mm)D1/D220-44
    Outside diameter of coupling (mm)E90
    Moment of inertia (10-3 kgm2)Jges.2,80 | 3,00
    Approximate weight (kg)3
    Torsional stiffness (10³ Nm/rad)CT191 | 140
    6x Screw ISO 4017IM6
    Tightening torque of the fastening screw (Nm)I14
    Distance (mm)F19
    Distance, ("F" Version) (mm)FF17
    Lateral (mm)max.0,25 | 0,30
    Angular (degree)max.1,5 | 2
    Adjustment range available from - to (approx. values) (Nm)TKN30-90
    60-160
    140-280
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN80-140
    130-200
    Actuation ring Ø (mm)B99
    Actuation ring Ø, ("F" Version) (mm)BF117
    Actuation distance (mm)2,2
    Lateral spring stiffness2040 | 610
    200
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien300
    Overall length ±2 (mm)A114 | 128
    Overall length ("F" Version) ±2 (mm)AF117 | 131
    Fit length (mm)C41
    Inside diameter range H7 (XL-Hub) (mm)D1/D225-56
    Outside diameter of coupling (mm)E110
    Moment of inertia (10-3 kgm2)Jges.5,5 | 6,0
    Approximate weight (kg)5
    Torsional stiffness (10³ Nm/rad)CT420 | 350
    6x Screw ISO 4017IM8
    Tightening torque of the fastening screw (Nm)I18
    Distance (mm)F23
    Distance, ("F" Version) (mm)FF20
    Lateral (mm)max.0,25 | 0,30
    Angular (degree)max.1,5 | 2
    Adjustment range available from - to (approx. values) (Nm)TKN100-200
    150-240
    220-400
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN120-180
    160-300
    Actuation ring Ø (mm)B120
    Actuation ring Ø, ("F" Version) (mm)BF132
    Actuation distance (mm)2,2
    Lateral spring stiffness3750 | 1050
    300
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien500
    Overall length ±2 (mm)A123 | 136
    Overall length ("F" Version) ±2 (mm)AF127 | 140
    Fit length (mm)C41
    Inside diameter range H7 (XL-Hub) (mm)D1/D225-60
    Outside diameter of coupling (mm)E123
    Moment of inertia (10-3 kgm2)Jges.11,0 | 12,8
    Approximate weight (kg)6,5
    Torsional stiffness (10³ Nm/rad)CT510 | 500
    6x Screw ISO 4017IM8
    Tightening torque of the fastening screw (Nm)I25
    Distance (mm)F25
    Distance, ("F" Version) (mm)FF22
    Lateral (mm)max.0,30 | 0,35
    Angular (degree)max.2 | 2,5
    Adjustment range available from - to (approx. values) (Nm)TKN80-200
    200-350
    300-500
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN60-150
    100-300
    250-500
    Actuation ring Ø (mm)B135
    Actuation ring Ø, ("F" Version) (mm)BF155
    Actuation distance (mm)2,2
    Lateral spring stiffness2500 | 840
    500
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien800
    Overall length ±2 (mm)A151
    Overall length ("F" Version) ±2 (mm)AF151
    Fit length (mm)C49
    Inside diameter range H7 (XL-Hub) (mm)D1/D230-60
    Outside diameter of coupling (mm)E133
    Moment of inertia (10-3 kgm2)Jges.20
    Approximate weight (kg)9
    Torsional stiffness (10³ Nm/rad)CT780
    6x Screw ISO 4017IM10
    Tightening torque of the fastening screw (Nm)I40
    Distance (mm)F31
    Distance, ("F" Version) (mm)FF20
    Lateral (mm)max.0,35
    Angular (degree)max.2,5
    Adjustment range available from - to (approx. values) (Nm)TKN400-650
    500-800
    600-900
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN200-400
    450-800
    Actuation ring Ø (mm)B152
    Actuation ring Ø, ("F" Version) (mm)BF177
    Actuation distance (mm)2,2
    Lateral spring stiffness2000
    800
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien1500
    Overall length ±2 (mm)A175
    Overall length ("F" Version) ±2 (mm)AF184
    Fit length (mm)C61
    Inside diameter range H7 (XL-Hub) (mm)D1/D235-70
    Outside diameter of coupling (mm)E157
    Moment of inertia (10-3 kgm2)Jges.42
    Approximate weight (kg)16,3
    Torsional stiffness (10³ Nm/rad)CT1304
    6x Screw ISO 4017IM12
    Tightening torque of the fastening screw (Nm)I70
    Distance (mm)F30
    Distance, ("F" Version) (mm)FF26
    Lateral (mm)max.0,35
    Angular (degree)max.2,5
    Adjustment range available from - to (approx. values) (Nm)TKN650-850
    700-1200
    1000-1800
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN1000-1250
    1250-1500
    Actuation ring Ø (mm)B174
    Actuation ring Ø, ("F" Version) (mm)BF187
    Actuation distance (mm)3
    Lateral spring stiffness3600
    1500
    CAD
    SK3 Series
    Overall length ±2 (mm)A
    Overall length ("F" Version) ±2 (mm)AF
    Fit length (mm)C
    Inside diameter range H7 (XL-Hub) (mm)D1/D2
    Outside diameter of coupling (mm)E
    Moment of inertia (10-3 kgm2)Jges.
    Approximate weight (kg)
    Torsional stiffness (10³ Nm/rad)CT
    6x Screw ISO 4017I
    Tightening torque of the fastening screw (Nm)I
    Distance (mm)F
    Distance, ("F" Version) (mm)FF
    Lateral (mm)max.
    Angular (degree)max.
    Adjustment range available from - to (approx. values) (Nm)TKN
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN
    Actuation ring Ø (mm)B
    Actuation ring Ø, ("F" Version) (mm)BF
    Actuation distance (mm)
    Lateral spring stiffness
    CAD Portal
    SK3 Serien2500
    Overall length ±2 (mm)A246
    Overall length ("F" Version) ±2 (mm)AF252
    Fit length (mm)C80
    Inside diameter range H7 (XL-Hub) (mm)D1/D250-100
    Outside diameter of coupling (mm)E200
    Moment of inertia (10-3 kgm2)Jges.257
    Approximate weight (kg)35
    Torsional stiffness (10³ Nm/rad)CT3400
    6x Screw ISO 4017IM16
    Tightening torque of the fastening screw (Nm)I120
    Distance (mm)F34
    Distance, ("F" Version) (mm)FF31
    Lateral (mm)max.0,35
    Angular (degree)max.2,5
    Adjustment range available from - to (approx. values) (Nm)TKN1500-2000
    2000-2500
    2300-2800
    Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN1400-2200
    1800-2700
    Actuation ring Ø (mm)B243
    Actuation ring Ø, ("F" Version) (mm)BF258
    Actuation distance (mm)3
    Lateral spring stiffness6070
    2500
    CAD

    Properties

    • Design: With tapered conical clamp and removal jack screws
    • Temperature range: -30° C to +100° C (-22° F to +212° F)
    • Backlash: Absolutely backlash free through frictional clamping connection
    • Service life: Maintenance free when operated within the technical specifications.
    • Tolerance: Tolerance between hub and shaft 0.01 – 0.05 mm.
    • Material:
      • bellows made of highly elastic stainless steel
      • torque limiter section: High strength hardened steel
      • hub material: Steel
    • Properties of Torque Limiter model SK3:
      • actuation ring moves to trigger external sensor
      • absolutely backlash-free and torsionally rigid
      • adjustable settings
      • low residual friction after disengagement
      • low moment of interia
      • disengagement within 1 - 3 msecs


    Overview