ST2
Torque Limiter with integral Elastomer Jaw Coupling for direct drives

0,2 - 165 KNm

ST2 TORQUE LIMITER WITH INTEGRAL ELASTOMER JAW COUPLING FOR DIRECT DRIVES

  • ST2
  • Specifications ST2

    ST2 Series
    Overall lengthA1
    Fit length/keyway length Elastomer segment (mm)C1
    Fit length/keyway length Clutch segment (mm)C2
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2
    Bolt circle diameter ST (mm)O
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)
    Distance (mm)L
    Distance (mm)M
    Hub outside diameter (mm)P
    Speed max. (rpm)
    Length (mm)E2
    Length (mm)E1
    Length of torque limiting portion (mm)A2
    Bore depth (torque limiting portion) (mm)C3
    Outside diameter of hub (mm)F
    Flange outside diameter (mm)B1
    Flange outside diameter (elastomer portion) (mm)B2
    Axial (mm)
    Lateral (mm)
    Angular (degree)
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Bore for fastening screw (mm)G
    CAD Portal
    ST2 Serien2
    Overall lengthA1264
    Fit length/keyway length Elastomer segment (mm)C182
    Fit length/keyway length Clutch segment (mm)C2100
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D130-80
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D230-75
    Bolt circle diameter ST (mm)O154
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)152
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)29
    Distance (mm)L10,5
    Distance (mm)M51,5
    Hub outside diameter (mm)P104
    Speed max. (rpm)3400
    Length (mm)E224
    Length (mm)E165
    Length of torque limiting portion (mm)A2120
    Bore depth (torque limiting portion) (mm)C3100
    Outside diameter of hub (mm)F130
    Flange outside diameter (mm)B1198
    Flange outside diameter (elastomer portion) (mm)B2221
    Axial (mm)1,5
    Lateral (mm)0,3
    Angular (degree)1
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)58
    Adjustment range available from - to (KNm)0,2-0,5 | 3xST10
    0,5-1,0 | 6xST10
    1-1,5 | 6xST10
    Actuation distance (mm)N3,5
    Bore for fastening screw (mm)Gmaxø75
    2
    CAD
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    ST2 Series
    Overall lengthA1
    Fit length/keyway length Elastomer segment (mm)C1
    Fit length/keyway length Clutch segment (mm)C2
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2
    Bolt circle diameter ST (mm)O
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)
    Distance (mm)L
    Distance (mm)M
    Hub outside diameter (mm)P
    Speed max. (rpm)
    Length (mm)E2
    Length (mm)E1
    Length of torque limiting portion (mm)A2
    Bore depth (torque limiting portion) (mm)C3
    Outside diameter of hub (mm)F
    Flange outside diameter (mm)B1
    Flange outside diameter (elastomer portion) (mm)B2
    Axial (mm)
    Lateral (mm)
    Angular (degree)
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Bore for fastening screw (mm)G
    CAD Portal
    ST2 Serien5
    Overall lengthA1313
    Fit length/keyway length Elastomer segment (mm)C189
    Fit length/keyway length Clutch segment (mm)C2121
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D140-100
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D240-90
    Bolt circle diameter ST (mm)O171
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)289
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)43,7
    Distance (mm)L16,5
    Distance (mm)M66,5
    Hub outside diameter (mm)P120
    Speed max. (rpm)3000
    Length (mm)E223
    Length (mm)E170
    Length of torque limiting portion (mm)A2150
    Bore depth (torque limiting portion) (mm)C3124
    Outside diameter of hub (mm)F145
    Flange outside diameter (mm)B1220
    Flange outside diameter (elastomer portion) (mm)B2250
    Axial (mm)1,5
    Lateral (mm)0,4
    Angular (degree)1
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)92
    Adjustment range available from - to (KNm)0.7-2 | 3xST15
    1.2-4 | 6xST15
    3.2-5 | 6xST15
    Actuation distance (mm)N4
    Bore for fastening screw (mm)Gmaxø90
    5
    CAD
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    ST2 Series
    Overall lengthA1
    Fit length/keyway length Elastomer segment (mm)C1
    Fit length/keyway length Clutch segment (mm)C2
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2
    Bolt circle diameter ST (mm)O
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)
    Distance (mm)L
    Distance (mm)M
    Hub outside diameter (mm)P
    Speed max. (rpm)
    Length (mm)E2
    Length (mm)E1
    Length of torque limiting portion (mm)A2
    Bore depth (torque limiting portion) (mm)C3
    Outside diameter of hub (mm)F
    Flange outside diameter (mm)B1
    Flange outside diameter (elastomer portion) (mm)B2
    Axial (mm)
    Lateral (mm)
    Angular (degree)
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Bore for fastening screw (mm)G
    CAD Portal
    ST2 Serien10
    Overall lengthA1360
    Fit length/keyway length Elastomer segment (mm)C197
    Fit length/keyway length Clutch segment (mm)C2120
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D140-105
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D240-110
    Bolt circle diameter ST (mm)O220
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)854
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)93
    Distance (mm)L45
    Distance (mm)M95
    Hub outside diameter (mm)P170
    Speed max. (rpm)2400
    Length (mm)E222
    Length (mm)E170
    Length of torque limiting portion (mm)A2183
    Bore depth (torque limiting portion) (mm)C3158
    Outside diameter of hub (mm)F160
    Flange outside diameter (mm)B1270
    Flange outside diameter (elastomer portion) (mm)B2290
    Axial (mm)1,5
    Lateral (mm)0,4
    Angular (degree)1
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)145
    Adjustment range available from - to (KNm)2-5 | 3xST15
    4-10 | 6xST15
    6-14 | 9xST15
    Actuation distance (mm)N4
    Bore for fastening screw (mm)Gmaxø110
    10
    CAD
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    ST2 Series
    Overall lengthA1
    Fit length/keyway length Elastomer segment (mm)C1
    Fit length/keyway length Clutch segment (mm)C2
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2
    Bolt circle diameter ST (mm)O
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)
    Distance (mm)L
    Distance (mm)M
    Hub outside diameter (mm)P
    Speed max. (rpm)
    Length (mm)E2
    Length (mm)E1
    Length of torque limiting portion (mm)A2
    Bore depth (torque limiting portion) (mm)C3
    Outside diameter of hub (mm)F
    Flange outside diameter (mm)B1
    Flange outside diameter (elastomer portion) (mm)B2
    Axial (mm)
    Lateral (mm)
    Angular (degree)
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Bore for fastening screw (mm)G
    CAD Portal
    ST2 Serien25
    Overall lengthA1437
    Fit length/keyway length Elastomer segment (mm)C1116
    Fit length/keyway length Clutch segment (mm)C2155
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D160-130
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D260-140
    Bolt circle diameter ST (mm)O270
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)1850
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)115
    Distance (mm)L83
    Distance (mm)M130
    Hub outside diameter (mm)P218
    Speed max. (rpm)2000
    Length (mm)E226
    Length (mm)E187
    Length of torque limiting portion (mm)A2230
    Bore depth (torque limiting portion) (mm)C3200
    Outside diameter of hub (mm)F200
    Flange outside diameter (mm)B1318
    Flange outside diameter (elastomer portion) (mm)B2330
    Axial (mm)1,5
    Lateral (mm)0,5
    Angular (degree)1
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)230
    Adjustment range available from - to (KNm)6-12 | 6xST15
    9-18 | 9xST15
    15-25 | 12xST15
    Actuation distance (mm)N4
    Bore for fastening screw (mm)Gmaxø140
    25
    CAD
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    ST2 Series
    Overall lengthA1
    Fit length/keyway length Elastomer segment (mm)C1
    Fit length/keyway length Clutch segment (mm)C2
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2
    Bolt circle diameter ST (mm)O
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)
    Distance (mm)L
    Distance (mm)M
    Hub outside diameter (mm)P
    Speed max. (rpm)
    Length (mm)E2
    Length (mm)E1
    Length of torque limiting portion (mm)A2
    Bore depth (torque limiting portion) (mm)C3
    Outside diameter of hub (mm)F
    Flange outside diameter (mm)B1
    Flange outside diameter (elastomer portion) (mm)B2
    Axial (mm)
    Lateral (mm)
    Angular (degree)
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Bore for fastening screw (mm)G
    CAD Portal
    ST2 Serien40
    Overall lengthA1565
    Fit length/keyway length Elastomer segment (mm)C1160
    Fit length/keyway length Clutch segment (mm)C2170
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D190-160
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D290-170
    Bolt circle diameter ST (mm)O350
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)6010
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)271
    Distance (mm)L255
    Distance (mm)M170
    Hub outside diameter (mm)P265
    Speed max. (rpm)1800
    Length (mm)E239
    Length (mm)E1113
    Length of torque limiting portion (mm)A2305
    Bore depth (torque limiting portion) (mm)C3170
    Outside diameter of hub (mm)F113
    Flange outside diameter (mm)B1428
    Flange outside diameter (elastomer portion) (mm)B2432
    Axial (mm)2
    Lateral (mm)0,6
    Angular (degree)1
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)500
    Adjustment range available from - to (KNm)6-14 | 3xST30
    12-24 | 6xST30
    20-40 | 9xST30
    Actuation distance (mm)N7,5
    Bore for fastening screw (mm)Gmaxø39
    40
    CAD
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    ST2 Series
    Overall lengthA1
    Fit length/keyway length Elastomer segment (mm)C1
    Fit length/keyway length Clutch segment (mm)C2
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2
    Bolt circle diameter ST (mm)O
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)
    Distance (mm)L
    Distance (mm)M
    Hub outside diameter (mm)P
    Speed max. (rpm)
    Length (mm)E2
    Length (mm)E1
    Length of torque limiting portion (mm)A2
    Bore depth (torque limiting portion) (mm)C3
    Outside diameter of hub (mm)F
    Flange outside diameter (mm)B1
    Flange outside diameter (elastomer portion) (mm)B2
    Axial (mm)
    Lateral (mm)
    Angular (degree)
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Bore for fastening screw (mm)G
    CAD Portal
    ST2 Serien60
    Overall lengthA1580
    Fit length/keyway length Elastomer segment (mm)C1160
    Fit length/keyway length Clutch segment (mm)C2220
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D180-160
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D280-200
    Bolt circle diameter ST (mm)O376
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)8960
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)287
    Distance (mm)L99
    Distance (mm)M167
    Hub outside diameter (mm)P295
    Speed max. (rpm)1800
    Length (mm)E239
    Length (mm)E1112
    Length of torque limiting portion (mm)A2320
    Bore depth (torque limiting portion) (mm)C3275
    Outside diameter of hub (mm)F225
    Flange outside diameter (mm)B1459
    Flange outside diameter (elastomer portion) (mm)B2432
    Axial (mm)2
    Lateral (mm)0,6
    Angular (degree)1
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)580
    Adjustment range available from - to (KNm)11-18 | 3xST 30
    22-36 | 6xST 30
    30-55 | 9xST 30
    Actuation distance (mm)N7,5
    Bore for fastening screw (mm)Gmaxø200
    60
    CAD
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    ST2 Series
    Overall lengthA1
    Fit length/keyway length Elastomer segment (mm)C1
    Fit length/keyway length Clutch segment (mm)C2
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2
    Bolt circle diameter ST (mm)O
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)
    Distance (mm)L
    Distance (mm)M
    Hub outside diameter (mm)P
    Speed max. (rpm)
    Length (mm)E2
    Length (mm)E1
    Length of torque limiting portion (mm)A2
    Bore depth (torque limiting portion) (mm)C3
    Outside diameter of hub (mm)F
    Flange outside diameter (mm)B1
    Flange outside diameter (elastomer portion) (mm)B2
    Axial (mm)
    Lateral (mm)
    Angular (degree)
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Bore for fastening screw (mm)G
    CAD Portal
    ST2 Serien100
    Overall lengthA1716
    Fit length/keyway length Elastomer segment (mm)C1230
    Fit length/keyway length Clutch segment (mm)C2280
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1100-200
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2100-250
    Bolt circle diameter ST (mm)O490
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)21890
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)642
    Distance (mm)L300
    Distance (mm)M218
    Hub outside diameter (mm)P380
    Speed max. (rpm)1500
    Length (mm)E265
    Length (mm)E1152
    Length of torque limiting portion (mm)A2396
    Bore depth (torque limiting portion) (mm)C3280
    Outside diameter of hub (mm)F152
    Flange outside diameter (mm)B1592
    Flange outside diameter (elastomer portion) (mm)B2553
    Axial (mm)2,5
    Lateral (mm)0,7
    Angular (degree)1
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)850
    Adjustment range available from - to (KNm)24-50 | 3xST70
    45-90 | 6xST70
    80-100 | 9xST70
    Actuation distance (mm)N10
    Bore for fastening screw (mm)Gmaxø65
    100
    CAD
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    ST2 Series
    Overall lengthA1
    Fit length/keyway length Elastomer segment (mm)C1
    Fit length/keyway length Clutch segment (mm)C2
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2
    Bolt circle diameter ST (mm)O
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)
    Distance (mm)L
    Distance (mm)M
    Hub outside diameter (mm)P
    Speed max. (rpm)
    Length (mm)E2
    Length (mm)E1
    Length of torque limiting portion (mm)A2
    Bore depth (torque limiting portion) (mm)C3
    Outside diameter of hub (mm)F
    Flange outside diameter (mm)B1
    Flange outside diameter (elastomer portion) (mm)B2
    Axial (mm)
    Lateral (mm)
    Angular (degree)
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Bore for fastening screw (mm)G
    CAD Portal
    ST2 Serien160
    Overall lengthA1730
    Fit length/keyway length Elastomer segment (mm)C1230
    Fit length/keyway length Clutch segment (mm)C2290
    Bore diameter (elastomer portion) Ø – Ø F7 (mm)D1100-200
    Bore diameter (torque limiting portion) Ø – Ø F7 (mm)D2100-290
    Bolt circle diameter ST (mm)O532
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)36858
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)729
    Distance (mm)L135
    Distance (mm)M225
    Hub outside diameter (mm)P418
    Speed max. (rpm)1500
    Length (mm)E265
    Length (mm)E1152
    Length of torque limiting portion (mm)A2410
    Bore depth (torque limiting portion) (mm)C3360
    Outside diameter of hub (mm)F300
    Flange outside diameter (mm)B1648
    Flange outside diameter (elastomer portion) (mm)B2553
    Axial (mm)2,5
    Lateral (mm)0,7
    Angular (degree)1
    Dynamic torsional stiffness at TKN (Standard A Insert) (10³ Nm/rad)1000
    Adjustment range available from - to (KNm)25-55 | 3xST 70
    50-110 | 6xST 70
    80-165 | 9xST 70
    Actuation distance (mm)N10
    Bore for fastening screw (mm)Gmaxø290
    160
    CAD
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    Properties

    • Design:
      • with keyway or spline connection
      • elastomer segments for misalignment compensation
      • torque modules evenly spaced around the circumference
      • field adjustable within the selected range
    • Temperature range: see table
    • Service life: Infinite life and maintenance free when operated within the technical specifications.
    • Tolerance: Tolerance between hub and shaft 0.02 – 0.07 mm.
    • Balancing: Standard balancing G16, (higher speeds upon request)
    • Material:
      • torque limiter: High-strength, nitro-carburized steel
      • elastomer segments: precision molded
      • wear resistant rubber compound (75-80 Shore A)
      • elastomer coupling: coupling hubs made from high-strength
      • cast steel (coated)
    • Properties of Torque Limiter model ST2:
      • vibration damping
      • compensation for axial, lateral,and angular misalignment
      • precise overload protection
      • mounts axially


    Overview