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KTR Rotex GR 28 Spider Insert – Shore 98 Red Polyurethane Elastomer for High Torque Jaw Couplings

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KTR Rotex GR 28 Spider Insert – Shore 98 (Red/Purple) polyurethane elastomer for backlash-free, high-torque transmission in jaw couplings. Designed for performance-critical motor and gearbox connections.

Product Highlights

  • Shore Hardness: 98 Shore A
  • Material: Polyurethane (PU)
  • Max Torque: 210 Nm
  • Outer Diameter: 65 mm
  • Thickness: 22 mm
  • Operating Temp: -40°C to +100°C
  • color: Red / Purple
  • Compatibility: KTR Rotex GR 28
  • Check Mark Estimated Delivery : Up to 4 business days
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KTR Rotex GR 28 Spider Insert – Shore 98 Red is a high-precision polyurethane elastomer designed for industrial jaw couplings. With a Shore A hardness rating of 98, this insert provides excellent torsional stiffness, allowing for zero-backlash and high-torque applications.

Key Benefits:

  • Zero-backlash torque transmission
  • High torsional rigidity for performance-critical operations
  • Compensates for misalignment and dampens vibration
  • Fail-safe and maintenance-free operation
  • Long service life in dynamic environments

Applications:

  • Servo motors and stepper drives
  • Gearboxes and industrial drives
  • Pumps, compressors, and blowers
  • Textile, packaging, and automation machinery

This spider insert fits perfectly into the KTR Rotex GR 28 coupling hubs and is an essential replacement part for maintaining optimal system performance.

Weight 0.06 kg
Dimensions 2.2 × 6.5 cm

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