Pin Coupling

NUP Pin Bush Couplings – High-Performance Elastic Couplings for Industrial Drives

JM NUP Pin Bush Couplings combine advanced polyurethane-graphite composite technology with precision engineering to deliver superior vibration damping, maintenance-free operation, and exceptional torque transmission for heavy-duty applications.

Key Features & Benefits

✔ Advanced Elastic Element

Polyurethane-Graphite Composite Bushings:

Self-Lubricating – Eliminates grease maintenance

High Wear Resistance – 3× lifespan vs. standard rubber

Shock Absorption – Reduces peak loads by 40%

✔ Optimized Mechanical Design

Triple-Stiffness Grid Structure – Selectable elasticity levels

Tapered Bore Bolts – Prevents loosening under vibration

Fail-Safe Construction – Retains torque transmission if bushings wear

✔ Precision Performance

Minimal Angular Misalignment: 0.75°–2°

High-Speed Capability: 0–5,000 RPM

Torque Range: 530–280,000 N·m

Technical Specifications

Parameter Specification

Bushing Material PU-Graphite Composite (Shore 92A)

Max Radial Offset ±1.8mm

Temperature Range -30°C to +80°C

Standard ISO 8524