ST4
Torque Limiter with integral Gear Coupling for direct drives

0,2 - 250 KNm

ST4 TORQUE LIMITER WITH INTEGRAL GEAR COUPLING FOR DIRECT DRIVES

ST4

Specifications ST4

ST4 Serien
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 | 0,5-1,0 | 1,0-1,5 | 3×ST10|6×ST10|6×ST10
Actuation distance (mm)N3,5
Mounting flange outside diameter (ST portion) (mm)B2192
Screw (mm)F6xM8
2
CAD
ST4 Serien
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 | 1,2-4 | 3,2-6 | 3xST15 | 6xST15 | 6xST15
Actuation distance (mm)N4,5
Mounting flange outside diameter (ST portion) (mm)B2209
Screw (mm)F10xM12
5
CAD
ST4 Serien
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|4-10|6-14 | 3xST 15|6xST 15|9xST 15
Actuation distance (mm)N4,5
Mounting flange outside diameter (ST portion) (mm)B2259
Screw (mm)F12xM12
10
CAD
ST4 Serien
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|9-18|15-25 | 6xST15|9xST15|12xST15
Actuation distance (mm)N4,5
Mounting flange outside diameter (ST portion) (mm)B2300
Screw (mm)F12xM16
25
CAD
ST4 Serien
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 | 22-32 | 32-45 | 6xST30 | 6xST30 | 9xST30
Actuation distance (mm)N8
Mounting flange outside diameter (ST portion) (mm)B2399
Screw (mm)F14xM16
40
CAD
ST4 Serien
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|22-36|30-55 | 3xST 30|6xST 30|9xST 30
Actuation distance (mm)N8
Mounting flange outside diameter (ST portion) (mm)B2418
Screw (mm)F14xM18
60
CAD
ST4 Serien
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 | 45-90 | 80-110 | 3× ST70|6× ST70|9× ST70
Actuation distance (mm)N10
Mounting flange outside diameter (ST portion) (mm)B2560
Screw (mm)F14xM22
100
CAD
ST4 Serien
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|50-110|80-165 | 3xST 70|6xST 70|9xST 70
Actuation distance (mm)N10
Mounting flange outside diameter (ST portion) (mm)B2618
Screw (mm)F16xM24
160
CAD
ST4 Serien
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 | 160-250 | 8xST71 | 12xST71
Actuation distance (mm)N10
Mounting flange outside diameter (ST portion) (mm)B2724
Screw (mm)F22xM24
250
CAD

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