The KTR ROTEX GS 19 Spider Insert with 98 Shore A hardness is a precision-engineered polyurethane coupling element for the GS 19 servo jaw coupling series. Color-coded red or purple, this insert is designed for high-torque, zero-backlash transmission in servo systems and automation equipment.

It is used as the central power-transmitting element between two aluminum or steel clamp hubs in a three-piece jaw coupling system. The 98 ShA hardness ensures low wear and high rigidity, making it perfect for demanding servo, robotics, and positioning tasks.

Technical Specifications:
– Material: Polyurethane Elastomer
– Shore Hardness: 98 ShA (Rigid, Red/Purple)
– Color: Red or Purple
– Backlash: Zero (form-fit, preloaded)
– Torque Capacity: Approx. 6–10 Nm
– Temperature Range: -30°C to +100°C
– Lubrication: Not required
– Standard Compliance: DIN 740

Dimensional Attributes:
– Outer Diameter (OD): ~22 mm
– Inner Bore Range: Compatible with 4–10 mm shaft bores
– Width: ~9 mm
– Leg Count: 6
– Fitment: Press-fit between GS 19 aluminum/steel hubs

Applications:
– Servo motors & drives
– CNC machines
– Robotics and pick-and-place systems
– Precision positioning devices
– Compact automated systems

Why Buy from Epurza:
– 100% Genuine KTR Elastomers
– Bulk orders and GST billing
– Pan-India delivery
– Technical fitment assistance
– Easy returns and customer service