The KTR ROTEX GS 9 Clamp Type Coupling is a compact and highly efficient backlash-free jaw coupling solution from KTR Germany. Designed for precise torque transmission in high-performance servo drives, this coupling features an elastomer spider between aluminum or steel hubs, ensuring excellent damping characteristics and angular compensation.

Its clamp-type hub design offers secure, slip-free mounting on shafts while simplifying installation and removal. The ROTEX GS 9 is ideal for applications where minimal backlash, low mass inertia, and high torsional rigidity are essential.

Key Features:

• Zero Backlash Operation: Ideal for precision drives and CNC applications.

• Compact Design: Enables space-saving installations.

• Clamp Type Hub: Easy mounting with strong shaft grip.

• Torsionally Stiff & Damping: For smooth and accurate power transmission.

• Maintenance-Free: No lubrication or frequent service required.

• Customizable Spiders: Available in multiple shore hardness levels for specific torque and damping requirements.

• Applications: Servo drives, CNC machinery, packaging machines, automation systems, robotics.

Technical Specifications:

• Model: ROTEX GS 9

• Coupling Type: Clamp (shaft clamping hubs)

• Material: High-strength aluminum or steel (hubs), elastomer (spider)

• Torque Capacity: Up to 0.5 Nm (varies with spider hardness)

• Bore Size Range: As per custom order

• Temperature Range: -40°C to +120°C

  Parameter	Value
  Coupling Size	GS 9
  Rated Torque (TKN)	5.0 Nm
  Maximum Bore Diameter	11 mm
  Outer Diameter (D)	20 mm
  Coupling Length (L)	30 mm
  Hub Length (l1 / l2)	7.2 mm (each side)
  Elastomer Spider Width (E)	10 mm
  Shaft Distance (a)	1.5 mm
  Set Screw Size	M4
  Material Options	Aluminum or Steel Hubs
  Spider Hardness Options	80 ShA, 92 ShA, 98 ShA, 64 ShD, 72 ShD
  Operating Temperature	-40°C to +120°C
  Backlash	Zero (preloaded elastomer design)
  Mounting Type	Clamp hub (single or double slot)

Why Choose KTR ROTEX GS 9?
KTR is a globally trusted name in coupling technology. The ROTEX GS 9 offers unmatched reliability for demanding motion control tasks and ensures optimal power transmission with minimal wear and tear.