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KTR Rotex GS 55 Jaw Coupling – Heavy Duty Backlash-Free Shaft Coupling

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KTR Rotex GS 55 Coupling provides high torque transmission with zero backlash for automation and CNC applications.

Product Highlights

Coupling Size: GS 55
Outer Diameter: 110 mm
Inner Diameter: 55 mm
Overall Length: 160 mm
Material: Steel or Aluminium Hub
Clamping Hub Length: 65 mm
Distance E: 37 mm
Bore Range: Ø25 mm to Ø55 mm
Max Torque Capacity: Up to 900 Nm
Spider Hardness Options: 64 ShD, 72 ShD, 92 ShA, 98 ShA
Clamping Screw Type: M12
Tightening Torque: 120 Nm
Backlash-Free: Yes
Applications: automation, CNC machinery, high-speed drives, robotics, servo systems

Estimated Delivery : Up to 4 business days

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The KTR Rotex GS 55 Coupling is a zero-backlash, torsionally flexible jaw coupling ideal for demanding motion control systems. Designed for precise torque transmission, this coupling compensates misalignments while minimizing vibration and wear. With high torque capacity and compact dimensions, the GS 55 is well-suited for use in CNC machines, robotics, and high-speed servo drives. Its robust construction features aluminium or steel hubs paired with high-quality polyurethane spiders to ensure long service life and maintenance-free operation.

Coupling Size	GS 55
Outer Diameter	110 mm
Inner Diameter	55 mm
Overall Length	160 mm
Material	Steel or Aluminium Hub
Clamping Hub Length	65 mm
Distance E	37 mm
Bore Range	Ø25 mm to Ø55 mm
Max Torque Capacity	Up to 900 Nm
Spider Hardness Options	64 ShD, 72 ShD, 92 ShA, 98 ShA
Clamping Screw Type	M12
Tightening Torque	120 Nm
Backlash-Free	Yes
Applications	automation, CNC machinery, high-speed drives, robotics, servo systems