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OEM Quality • Cast Elastomer

Heavy-Duty 5 Inch Circular Red Polyurethane Bush

Formulated for extreme mechanical loads and severe environmental exposure, our 5-inch circular red polyurethane (PU) bush provides maximum resistance against abrasion, dynamic compression set, and oil contamination. Manufactured in our Delhi facility with over 46 years of specialised polymer compounding expertise, this bush outperforms standard natural rubber in demanding commercial fleet and heavy trailer suspension assemblies.

Polymer Compound Premium Cast Polyurethane (PU)
Nominal Outer Diameter 5.00" (127 mm) Standard
Hardness Range 80 – 90 Shore A (Customizable)
Resistance Profile Oil, Fuel, Ozone, Grease & Heavy Shock
Precision Cast Tolerances
3x–5x Longer Life vs. Rubber
Direct Indian Manufacturer
Engineering Specifications

Technical Parameters & Performance Standards

Every polyurethane bushing is formulated and cured under strict thermal controls to guarantee uniform density, tear strength, and exact physical dimensions.

Product Name 5 Inch Circular Red Polyurethane Bush / PU Suspension Bushing
Product Category Polyurethane Suspension Bushings & Damping Components
Raw Material High-Purity Cast Polyurethane Elastomer (Thermoset PU)
Nominal Dimensions Outer Diameter: 5 Inch (~127 mm) • Custom ID & Length upon specification
Hardness Rating Standard 85±5 Shore A (Options from 70 to 95 Shore A available)
Operating Temperature Range -40°C to +90°C continuous service (-40°F to 194°F)
Tensile & Tear Strength High elongation with superior tear and tensile capacity under dynamic cyclic loading
Chemical Resistance Immune to diesel, lubricating grease, motor oil, road salt, UV, and ozone degradation
Compatible Applications Heavy-duty commercial trailers, axle suspension pivots, torque arms, industrial shock mounts
Manufacturing Origin Amit Rubber Products — Kashmere Gate, New Delhi, India (Est. 1980)
Quality Assurance 100% batch dimensional verification, shore hardness check, and void-free visual inspection

Advanced Polyurethane Formulation

Unlike conventional black rubber bushings that crack, soften, and deform when exposed to leaked lubricants, excessive road grime, or continuous high payloads, our cast red polyurethane maintains its precise geometry. The cross-linked polymer structure exhibits exceptional memory, effectively preventing suspension play, erratic steering response, or unaligned axle travel.

This structural resilience translates into significantly reduced maintenance costs for heavy transport operators, ensuring commercial vehicles spend more time on the road and less in the service bay.

  • Prevents axle misalignment and premature tyre scrubbing
  • Non-hygroscopic material will not perish or dry-rot in tropical or humid climates
  • Retains damping efficiency across wide temperature swings

Factory Direct Customization & Export Supply

Amit Rubber Products offers complete OEM and replacement supply solutions. Whether you require specific internal sleeve bore sizes, specialised Shore hardness formulations for extreme heavy-haul fleets, or customised bulk packaging, our engineering division accommodates custom specifications from physical samples or CAD technical drawings.

With an established export track record across 20+ countries, we ensure reliable international export documentation, sea/air palletized crating, and rapid order dispatch from New Delhi.

  • Private labeling and custom durometer compounding available
  • Competitive volume wholesale pricing direct from the manufacturer
  • Comprehensive quality verification prior to international packaging

Need Custom Dimensions or Bulk Wholesale Pricing?

Contact our technical sales team directly to discuss specifications, material hardness, compatibility verification, or volume export price tiers.

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Frequently Asked Questions

Technical & Sourcing FAQ

Why choose polyurethane instead of traditional rubber for 5 inch suspension bushes?
Polyurethane delivers 3 to 5 times the operational service life of conventional rubber. It offers dramatically higher tensile strength, superior tear and abrasion resistance, imperviousness to road chemicals, greases, and oils, and eliminates permanent compression set under continuous heavy loads.
Can Amit Rubber Products customize the durometer (hardness) or internal diameter?
Yes. As a direct manufacturer established in 1980, we offer custom toolings, custom inner diameters, metal bonded sleeve inserts, and hardness profiles ranging typically from 70 Shore A up to 95 Shore A according to your engineering drawings or application requirements.
What is the typical minimum order quantity (MOQ) and lead time for export shipments?
Standard stock configurations ship immediately via air express or consolidated sea freight. For customized runs, our standard factory MOQ is low and flexible to accommodate overseas distributors, with batch turnaround generally within 7 to 15 business days.