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Clamping sets

Clamping elements are shaft-hub connections, which enable backlash-free and non-positive connection between cylindrical shafts and hub bores without keyway. There are selfcentering and non-self-centering clamping sets, which are used where key connections no longer meet requirements.

Benefits:

  • Material saving due to smaller shaft and hub dimensions  
  • Simplified production processes
  • Suitable for modern drive systems 
  • Simple assembly and disassembly with standard tools
  • Ideal for drives with high alternating loads, like acceleration and braking
  • Permanent non-destructive connections, i.e. no shearing off of keyways, dowel pins, bolts etc.
  • Extremely suitable for high-speed drives
  • Minimal sensitivity to dirt
  • Multiple re-use 



Please refer to the respective data sheet for more detailed properties of the individual clamping sets.

CLAMPEX®

KTR 100

CLAMPEX® KTR 100 is a classic clamping set without self-centering. Suitable for large shaft and hub tolerances, this clamping set features an axial fixing and a short design. Additional centering is needed between the hub and shaft.

The KTR 100 clamping element is available from 17 x 47 mm to 1,000 x 1,110 mm (internal diameter x external diameter) and transmits torques from 260 to 3,017,100 Nm.

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KTR 100
 

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KTR 105

CLAMPEX® KTR 105 is a compact clamping set with self-centering. This clamping set, suitable for a shaft diameter of 5.0 to 50.0 mm, is characterised by its ease of assembly and disassembly.

The KTR 105 clamping element is available from 5 x 16 mm to 50 x 80 mm (internal diameter x external diameter) and transmits torques from 5 to 1,900 Nm.

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KTR 105
 

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KTR 130

CLAMPEX® KTR 130 is a clamping set with self-centering and central clamping nut. This clamping set, suitable for a shaft diameter of 5.0 to 50.0 mm, is characterised by its ease of assembly and disassembly.

The KTR 130 clamping element is available from 5 x 14 mm to 50 x 75 mm (internal diameter x external diameter) and transmits torques from 10 to 2,320 Nm.

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KTR 130
 

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KTR 131

CLAMPEX® KTR 131 is a clamping set with self-centering and central clamping nut. This clamping set, suitable for a shaft diameter of 5.0 to 35.0 mm, is characterised by its ease of assembly and disassembly.

The KTR 131 clamping element is available from 5 x 12 mm to 35 x 50 mm (internal diameter x external diameter) and transmits torques from 10 to 836 Nm.

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KTR 131
 

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KTR 150

CLAMPEX® KTR 150 is a non-self-centering clamping element with the smallest dimensions. Additional centering is needed between the hub and shaft. This clamping set is suitable for shaft diameters of 6.0 to 400.0 mm.

The KTR 150 clamping element is available from 6 x 9 mm to 400 x 440 mm (internal diameter x external diameter) and transmits torques from 2 to 178,138 Nm.

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KTR 150
 

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KTR 200

CLAMPEX® KTR 200 is a self-centering clamping element with a wide range of applications. This clamping set is suitable for shaft diameters of 20.0 to 200.0 mm.

The KTR 200 clamping element is available from 20 x 47 mm to 200 x 260 mm (internal diameter x external diameter) and transmits torques from 530 to 68,000 Nm.

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KTR 200
 

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KTR 201

CLAMPEX® KTR 201 is a self-centering clamping element with a wide range of applications. This clamping set is suitable for shaft diameters of 20.0 to 200.0 mm.

The KTR 201 clamping element is available from 20 x 47 mm to 200 x 260 mm (internal diameter x external diameter) and transmits torques from 320 to 48,800 Nm.

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KTR 201
 

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KTR 203

CLAMPEX® KTR 203 is a self-centering clamping element, which can be used as a compact alternative to the KTR 200 or KTR 201. This clamping set is suitable for shaft diameters of 18.0 to 400.0 mm.

The KTR 201 clamping element is available from 18 x 47 mm to 400 x 495 mm (internal diameter x external diameter) and transmits torques from 370 to 487,000 Nm.

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KTR 203
 

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KTR 206

CLAMPEX® KTR 206 is a self-centering clamping element, which can be used as a compact alternative to the KTR 200 or KTR 201. This clamping set is suitable for shaft diameters of 18.0 to 400.0 mm.

The KTR 201 clamping element is available from 18 x 47 mm to 400 x 495 mm (internal diameter x external diameter) and transmits torques from 290 to 342,000 Nm.

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KTR 206
 

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KTR 225

CLAMPEX® KTR 225 is a self-centering clamping element combining a hub diameter and different shaft diameters. This clamping set is suitable for shaft diameters of 14.0 to 50.0 mm.

The KTR 225 clamping element is available from 14 x 55 mm to 50 x 80 mm (internal diameter x external diameter) and transmits torques from 287 to 1,796 Nm.

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KTR 225
 

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KTR 250

CLAMPEX® KTR 250 is a self-centering clamping element, which is particularly suitable for thin-walled hub bodies. This clamping set is suitable for shaft diameters of 6.0 to 130.0 mm.

The KTR 250 clamping element is available from 6 x 14 mm to 130 x 165 mm (internal diameter x external diameter) and transmits torques from 11 to 25,000 Nm.

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KTR 250
 

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KTR 400

CLAMPEX® KTR 400 is a self-centering clamping element, capable of transmitting the highest power. This clamping set is suitable for shaft diameters of 24.0 to 600.0 mm.

The KTR 400 clamping element is available from 24 x 50 mm to 600 x 695 mm (internal diameter x external diameter) and transmits torques from 700 to 1,640,000 Nm.

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KTR 400
 

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KTR 603

CLAMPEX® KTR 603 is a 3-part external clamping set for use on hollow shafts. This clamping set is suitable for shaft diameters of 10.0 to 420.0 mm.

The KTR 603 clamping element is available from 14 x 38 mm to 500 x 850 mm (internal diameter x external diameter) and transmits torques from 28 to 1,460,000 Nm.

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KTR 603
 

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KTR 620

CLAMPEX® KTR 620 is a 2-part external clamping set for use on hollow shafts. This clamping set is suitable for shaft diameters of 13.0 to 700.0 mm.

The KTR 620 clamping element is available from 16 x 41 mm to 800 x 1230 mm (internal diameter x external diameter) and transmits torques from 70 to 7,394,000 Nm.

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KTR 620
 

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KTR 700

CLAMPEX® KTR 700 is a rigid shaft coupling used to join two shafts. This clamping element is suitable for shaft diameters of 10.0 to 100.0 mm.

The KTR 700 shaft connection is available from 10 x 35 mm to 100 x 158 mm (internal diameter x external diameter) and transmits torques from 62 to 8,350 Nm.

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KTR 700
 

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