KTR Rotex GR 28 Spider Insert – Shore 98 Red Polyurethane Elastomer for High Torque Jaw Couplings
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
- Estimated Delivery : Up to 4 business days
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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