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KTR Rotex GS 42 Jaw Coupling – High Torque Backlash-Free Shaft Coupling

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KTR Rotex GS 42 Coupling delivers high torque with zero backlash for CNC, automation, and servo systems.

Product Highlights

Coupling Size: GS 42
Outer Diameter: 95 mm
Inner Diameter: 46 mm
Overall Length: 126 mm
Material: Steel or Aluminium Hub
Clamping Hub Length: 50 mm
Distance E: 28 mm
Bore Range: Ø14 mm to Ø46 mm
Max Torque Capacity: Up to 560 Nm
Spider Hardness Options: 64 ShD, 72 ShD, 92 ShA, 98 ShA
Clamping Screw Type: M10
Tightening Torque: 69 Nm
Backlash-Free: Yes
Applications: automation, CNC machinery, Industrial drives, robotics, Servo motors
Clamping Hub Dia: 85 mm

Estimated Delivery : Up to 4 business days

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The KTR Rotex GS 42 Coupling is a torsionally flexible, zero-backlash shaft coupling ideal for advanced automation and servo applications. Featuring high torque capacity and compact assembly, this coupling compensates for shaft misalignments and dampens vibrations effectively. With aluminium or steel hubs and a high-performance polyurethane spider, the GS 42 ensures precise and maintenance-free torque transmission in dynamic industrial systems, CNC equipment, and robotic drives.

Coupling Size	GS 42
Outer Diameter	95 mm
Inner Diameter	46 mm
Overall Length	126 mm
Material	Steel or Aluminium Hub
Clamping Hub Length	50 mm
Distance E	28 mm
Bore Range	Ø14 mm to Ø46 mm
Max Torque Capacity	Up to 560 Nm
Spider Hardness Options	64 ShD, 72 ShD, 92 ShA, 98 ShA
Clamping Screw Type	M10
Tightening Torque	69 Nm
Backlash-Free	Yes
Applications	automation, CNC machinery, Industrial drives, robotics, Servo motors
Clamping Hub Dia	85 mm