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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM4
Adjustment range available from - to (approx. values) (Nm)TKN5-108-20
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM5
Adjustment range available from - to (approx. values) (Nm)TKN10-2520-40
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN8-2016-30
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM5
Adjustment range available from - to (approx. values) (Nm)TKN10-3025-80
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN20-4030-60
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM6
Adjustment range available from - to (approx. values) (Nm)TKN20-7045-15080-200
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN20-6040-8080-150
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM6
Adjustment range available from - to (approx. values) (Nm)TKN30-9060-160140-280
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN80-140130-200
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM8
Adjustment range available from - to (approx. values) (Nm)TKN100-200150-240220-400
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN120-180160-300
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM8
Adjustment range available from - to (approx. values) (Nm)TKN80-200200-350300-500
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN60-150100-300250-500
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM10
Adjustment range available from - to (approx. values) (Nm)TKN400-650500-800600-900
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN200-400450-800
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM12
Adjustment range available from - to (approx. values) (Nm)TKN650-850700-12001000-1800
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN1000-12501250-1500
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 (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
Tightening torque of the fastening screw (Nm)I
Distance (mm)F
Distance, ("F" Version) (mm)FF
Lateral (mm)max.
Angular (degree)max.
6x Screw ISO 4017I
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 (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
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
6x Screw ISO 4017IM16
Adjustment range available from - to (approx. values) (Nm)TKN1500-20002000-25002300-2800
Adjustment range available from - to (approx. values) ("F" Version) (Nm)TKN1400-22001800-2700
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