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 Serien
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|0,5-1,0|1-1,5 | 3xST10|6xST10|6xST10
Actuation distance (mm)N3,5
Bore for fastening screw (mm)Gmaxø75
2
CAD
ST2 Serien
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|1.2-4|3.2-5 | 3xST15|6xST15|6xST15
Actuation distance (mm)N4
Bore for fastening screw (mm)Gmaxø90
5
CAD
ST2 Serien
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|4-10|6-14 | 3xST15|6xST15|9xST15
Actuation distance (mm)N4
Bore for fastening screw (mm)Gmaxø110
10
CAD
ST2 Serien
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|9-18|15-25 | 6xST15|9xST15|12xST15
Actuation distance (mm)N4
Bore for fastening screw (mm)Gmaxø140
25
CAD
ST2 Serien
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|12-24|20-40 | 3xST30|6xST30|9xST30
Actuation distance (mm)N7,5
Bore for fastening screw (mm)Gmaxø39
40
CAD
ST2 Serien
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|22-36|30-55 | 3xST 30|6xST 30|9xST 30
Actuation distance (mm)N7,5
Bore for fastening screw (mm)Gmaxø200
60
CAD
ST2 Serien
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|45-90|80-100 | 3xST70|6xST70|9xST70
Actuation distance (mm)N10
Bore for fastening screw (mm)Gmaxø65
100
CAD
ST2 Serien
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|50-110|80-165 | 3xST 70|6xST 70|9xST 70
Actuation distance (mm)N10
Bore for fastening screw (mm)Gmaxø290
160
CAD

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