ST4
Torque Limiter with integral Gear Coupling for direct drives

2 - 165 KNm

ST4 TORQUE LIMITER WITH INTEGRAL GEAR COUPLING FOR DIRECT DRIVES

  • ST4
  • Specifications ST4

    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien2
    Overall lengthA1280
    Fit length / keyway length (mm)C1/262
    Bore diameter Ø bis Ø F7 (mm)D1/230-78
    Bolt circle diameter ST (mm)O154
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)108
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)2,5
    Distance (mm)L110
    Distance (mm)M148
    Hub diameter (gear coupling) (mm)B4130,5
    Speed max. (rpm)4000
    Length (mm)E263,5
    Flange outside diameter (gear coupling) (mm)B3168
    Flange outside diameter (ST portion) (mm)B1198
    Axial (mm)1,5
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F18
    Adjustment range available from - to (KNm)0,2-0,5 | 3×ST10
    0,5-1,0 | 6×ST10
    1,0-1,5 | 6×ST10
    Actuation distance (mm)N3,5
    Mounting flange outside diameter (ST portion) (mm)B2192
    Screw (mm)F6xM8
    2
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    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien5
    Overall lengthA1350
    Fit length / keyway length (mm)C1/276
    Bore diameter Ø bis Ø F7 (mm)D1/232-98
    Bolt circle diameter ST (mm)O171
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)244
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)45
    Distance (mm)L138
    Distance (mm)M188
    Hub diameter (gear coupling) (mm)B4158,4
    Speed max. (rpm)3900
    Length (mm)E278,5
    Flange outside diameter (gear coupling) (mm)B3200
    Flange outside diameter (ST portion) (mm)B1220
    Axial (mm)2,5
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F65
    Adjustment range available from - to (KNm)0,7-2 | 3xST15
    1,2-4 | 6xST15
    3,2-6 | 6xST15
    Actuation distance (mm)N4,5
    Mounting flange outside diameter (ST portion) (mm)B2209
    Screw (mm)F10xM12
    5
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    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien10
    Overall lengthA1390
    Fit length / keyway length (mm)C1/290
    Bore diameter Ø bis Ø F7 (mm)D1/242-112
    Bolt circle diameter ST (mm)O220
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)529
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)65
    Distance (mm)L159,5
    Distance (mm)M209,5
    Hub diameter (gear coupling) (mm)B4183,4
    Speed max. (rpm)3700
    Length (mm)E292,5
    Flange outside diameter (gear coupling) (mm)B3225
    Flange outside diameter (ST portion) (mm)B1270
    Axial (mm)2,5
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F65
    Adjustment range available from - to (KNm)2-5 | 3xST 15
    4-10 | 6xST 15
    6-14 | 9xST 15
    Actuation distance (mm)N4,5
    Mounting flange outside diameter (ST portion) (mm)B2259
    Screw (mm)F12xM12
    10
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    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien25
    Overall lengthA1460
    Fit length / keyway length (mm)C1/2105
    Bore diameter Ø bis Ø F7 (mm)D1/246-132
    Bolt circle diameter ST (mm)O270
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)1117
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)100
    Distance (mm)L202
    Distance (mm)M252
    Hub diameter (gear coupling) (mm)B4211,5
    Speed max. (rpm)3550
    Length (mm)E2108
    Flange outside diameter (gear coupling) (mm)B3265
    Flange outside diameter (ST portion) (mm)B1318
    Axial (mm)3
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F150
    Adjustment range available from - to (KNm)6-12 | 6xST15
    9-18 | 9xST15
    15-25 | 12xST15
    Actuation distance (mm)N4,5
    Mounting flange outside diameter (ST portion) (mm)B2300
    Screw (mm)F12xM16
    25
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    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien40
    Overall lengthA1580
    Fit length / keyway length (mm)C1/2135
    Bore diameter Ø bis Ø F7 (mm)D1/260-174
    Bolt circle diameter ST (mm)O350
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)4363
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)225
    Distance (mm)L238
    Distance (mm)M306
    Hub diameter (gear coupling) (mm)B4275,5
    Speed max. (rpm)2750
    Length (mm)E2139
    Flange outside diameter (gear coupling) (mm)B3330
    Flange outside diameter (ST portion) (mm)B1428
    Axial (mm)4
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F150
    Adjustment range available from - to (KNm)12-21 | 6xST30
    22-32 | 6xST30
    32-45 | 9xST30
    Actuation distance (mm)N8
    Mounting flange outside diameter (ST portion) (mm)B2399
    Screw (mm)F14xM16
    40
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    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien60
    Overall lengthA1650
    Fit length / keyway length (mm)C1/2150
    Bore diameter Ø bis Ø F7 (mm)D1/270-190
    Bolt circle diameter ST (mm)O376
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)6650
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)293
    Distance (mm)L275
    Distance (mm)M343
    Hub diameter (gear coupling) (mm)B4307
    Speed max. (rpm)2420
    Length (mm)E2154
    Flange outside diameter (gear coupling) (mm)B3370
    Flange outside diameter (ST portion) (mm)B1459
    Axial (mm)4
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F220
    Adjustment range available from - to (KNm)11-18 | 3xST 30
    22-36 | 6xST 30
    30-55 | 9xST 30
    Actuation distance (mm)N8
    Mounting flange outside diameter (ST portion) (mm)B2418
    Screw (mm)F14xM18
    60
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    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien100
    Overall lengthA1780
    Fit length / keyway length (mm)C1/2190
    Bore diameter Ø bis Ø F7 (mm)D1/2110-233
    Bolt circle diameter ST (mm)O490
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)20611
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)570
    Distance (mm)L318
    Distance (mm)M408
    Hub diameter (gear coupling) (mm)B4367
    Speed max. (rpm)1950
    Length (mm)E2194
    Flange outside diameter (gear coupling) (mm)B3438
    Flange outside diameter (ST portion) (mm)B1592
    Axial (mm)4
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F400
    Adjustment range available from - to (KNm)24-50 | 3× ST70
    45-90 | 6× ST70
    80-110 | 9× ST70
    Actuation distance (mm)N10
    Mounting flange outside diameter (ST portion) (mm)B2560
    Screw (mm)F14xM22
    100
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    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien160
    Overall lengthA1860
    Fit length / keyway length (mm)C1/2220
    Bore diameter Ø bis Ø F7 (mm)D1/2120-280
    Bolt circle diameter ST (mm)O532
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)33820
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)718
    Distance (mm)L360
    Distance (mm)M450
    Hub diameter (gear coupling) (mm)B4423
    Speed max. (rpm)1730
    Length (mm)E2225
    Flange outside diameter (gear coupling) (mm)B3525
    Flange outside diameter (ST portion) (mm)B1648
    Axial (mm)5
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F520
    Adjustment range available from - to (KNm)25-55 | 3xST 70
    50-110 | 6xST 70
    80-165 | 9xST 70
    Actuation distance (mm)N10
    Mounting flange outside diameter (ST portion) (mm)B2618
    Screw (mm)F16xM24
    160
    CAD
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    ST4 Series
    Overall lengthA1
    Fit length / keyway length (mm)C1/2
    Bore diameter Ø bis Ø F7 (mm)D1/2
    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 diameter (gear coupling) (mm)B4
    Speed max. (rpm)
    Length (mm)E2
    Flange outside diameter (gear coupling) (mm)B3
    Flange outside diameter (ST portion) (mm)B1
    Axial (mm)
    Angular (degree)
    Tightening torque of the fastening screws (mm)F
    Adjustment range available from - to (KNm)
    Actuation distance (mm)N
    Mounting flange outside diameter (ST portion) (mm)B2
    Screw (mm)F
    CAD Portal
    ST4 Serien250
    Overall lengthA11060
    Fit length / keyway length (mm)C1/2290
    Bore diameter Ø bis Ø F7 (mm)D1/2200-340
    Bolt circle diameter ST (mm)O630
    Moment of inertia (approx.) D max. + max. sgmnt (10-3 kgm2)84926
    Moment of inertia (approx.) D max. + max. sgmnt (10-3kgm2)1280
    Distance (mm)L458
    Distance (mm)M534
    Hub diameter (gear coupling) (mm)B4553
    Speed max. (rpm)950
    Length (mm)E2296
    Flange outside diameter (gear coupling) (mm)B3639
    Flange outside diameter (ST portion) (mm)B1740
    Axial (mm)6
    Angular (degree)2×0,35°
    Tightening torque of the fastening screws (mm)F670
    Adjustment range available from - to (KNm)100-170 | 8xST71
    160-250 | 12xST71
    Actuation distance (mm)N10
    Mounting flange outside diameter (ST portion) (mm)B2724
    Screw (mm)F22xM24
    250
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    Properties

    • Design:
      • with keyway or spline connection.
      • gear coupling for misalignment compensation.
      • torque modules evenly spaced around the circumference.
      • field adjustable within the selected range.
    • Temperature range: -30° C to +120° C (-22° F to +248° F)
    • Service life: Infinite life and maintenance free when operated within the technical specifications.
    • Tolerance: Tolerance between hub and shaft 0.02 – 0.07 mm.
    • Material:
      • torque limiter: high-strength, nitro-carburized steel
      • gear coupling ends: extremely wear resistant tooth geometry made from high-strength alloyed steel
      • surface nitro-carburized
    • Balancing: Standard balancing G16 (higher speeds upon request)
    • Properties of Torque Limiter model ST4:
      • high torque density
      • compensation for axial, lateral, and angular misalignment
      • low restoring forces
      • robust


    Overview