Upgrade your compressor transmission system with our heavy-duty GR Series Spider Coupling Inserts. Manufactured from high-grade polyurethane, these star-shaped elastic cushions provide excellent flexural endurance and oil-resistant performance in demanding industrial environments.
Technical Specifications:
Product Type: Coupling Spider Insert / Elastomer Element / Star Cushion
Available Sizes: GR-24, GR-28, GR-38, GR-42, GR-48, GR-55, GR-65, GR-75, GR-90, GR-100, GR-110
Material Options: High-Grade Polyurethane (PU - Red/Yellow) / NBR Rubber (Black)
Operating Temperature: -40°C to +100°C (-40°F to +212°F)
Applications: Rotary screw air compressors, industrial pumps, gearboxes, and electric motor shaft couplings.


