KTR Rotex GS 9 Jaw Coupling – Miniature Flexible Backlash-Free Shaft Coupling

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KTR Rotex GS 9 Coupling delivers precise, backlash-free torque transmission for compact automation and micro-drive systems.

Product Highlights

Coupling Size: GS 9
Outer Diameter: 20 mm
Inner Diameter: 7.2 mm
Overall Length: 30 mm
Material: Aluminium Hub
Clamping Hub Length: 10 mm
Distance E: 10 mm
Bore Range: Ø3 mm to Ø8 mm
Max Torque Capacity: Up to 0.76 Nm
Spider Hardness Options: 64 ShD, 92 ShA, 98 ShA
Clamping Screw Type: M2.5
Tightening Torque: 0.76 Nm
Backlash-Free: Yes
Applications: measuring instruments, micro drives, Miniature automation, robotics, Servo motors

Estimated Delivery : Up to 4 business days

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The KTR Rotex GS 9 Coupling is a compact, torsionally flexible, and backlash-free jaw coupling designed for precision motion control in miniature applications. Engineered with lightweight materials and a high-performance polyurethane spider, it ensures vibration damping and misalignment compensation. Ideal for small automation systems, robotics, instrumentation, and micro-drive applications where space and accuracy are critical.

Coupling Size	GS 9
Outer Diameter	20 mm
Inner Diameter	7.2 mm
Overall Length	30 mm
Material	Aluminium Hub
Clamping Hub Length	10 mm
Distance E	10 mm
Bore Range	Ø3 mm to Ø8 mm
Max Torque Capacity	Up to 0.76 Nm
Spider Hardness Options	64 ShD, 92 ShA, 98 ShA
Clamping Screw Type	M2.5
Tightening Torque	0.76 Nm
Backlash-Free	Yes
Applications	measuring instruments, micro drives, Miniature automation, robotics, Servo motors