Genuine SINOTRUK HOWO 371 Torque Rod Bushing Spare Part AZ9725520272

SINOTRUK HOWO 371 Torque Rod Bushing (AZ9725520272) Technical Datasheet

1. Structural Parameters

   • Dimensions:

     • Outer Diameter: 120mm (±0.3mm per ISO 2768-mK)

     • Inner Diameter: 60mm (h7 tolerance)

     • Height: 70mm ±0.5mm

   • Weight: 1.8kg (natural rubber core + steel sleeve)

2. Material Composition

   • Core: HNBR rubber (Shore A 75±5 hardness per ASTM D2240)

   • Reinforcement:

     • Steel sleeve: 45# carbon steel with phosphate coating (8μm thickness)

     • Bonding layer: Sulphur-modified adhesive (peel strength ≥8kN/m)

3. Performance Data

   • Mechanical Properties:

     • Axial load capacity: 28,000N (SAE J185 tested)

     • Radial load capacity: 15,000N

     • Torsional stiffness: 500Nm/deg

   • Environmental Resistance:

     • Temperature range: -45°C to +110°C

     • Salt spray resistance: 500h (ASTM B117)

   • Durability:

     • Fatigue life: 500,000 cycles @ 20kN dynamic load

     • Service life: 80,000 operating hours

4. Certifications & Standards

   • Quality: TS16949 (Certificate No. TR-2024-371B)

   • Material: REACH & RoHS compliant

   • Testing: Full batch traceability with test reports

5. Comparative Advantages

   • 30% longer lifespan vs. standard polyurethane bushings

   • Vibration damping efficiency ≥85% (ISO 10846-1)

   • Maintenance-free design with pre-lubrication