Product Overview
With over 20 years of experience, we are a professional trailer hub manufacturer focusing on the US market. Equipped with advanced CNC machining equipment and a dedicated R&D team, our products strictly adhere to ISO and US automotive quality standards. Customization is our core strength: we not only provide standard products but also offer one-stop tailored solutions. We fully support customizations based on customer-provided drawings or parameters, with a professional R&D team providing full-process docking to ensure accurate implementation of customization needs.
Core Specifications
| Parameter Category |
Specific Specification |
Key Description |
| Rated Load Capacity |
5000-7000lb（3175kg） |
Fits axles; 5000-8000lb customizable |
| Brake Type |
Idler (Non-Brake) |
No brakes; uses tow vehicle’s |
| Compatible Axle Diameter |
1.75-2.125 inches |
Fits US medium-heavy axles; custom for non-standard |
| Bearing Configuration |
Double-Row Tapered Roller Bearings |
High load/impact resistance, even load distribution |
| Surface Treatment |
Hot-Dip Galvanization / Powder Coating |
Corrosion-resistant; custom for coastal/humid areas |
| Bolt Specification |
6/8 Holes, 5/8″-18 UNF Thread |
US auto-grade; customizable holes/threads |
Key Features
- Double-Row Bearings: Heavy load & anti-vibration.
- Hub Shell: Precision-cast iron, durable.
- Connecting Bolts: High-tensile steel, secure.
- Oil Seal: Temp-resistant, anti-leakage.
- Dust Cover: Debris-proof, extends life.
- Manufacturing & Quality Assurance
- Manufacturing Processes
- Material: Ductile iron casting + heat treatment.
- Machining: CNC (±0.02mm) for US axle fit.
- Surface: Galvanization + powder coating (anti-rust).
- Assembly: “Clean-Fit-Tighten-Inspect” + torque check.
- Quality Inspection
- Load Test: 24h 1.2x load (no deformation = pass).
- Dynamic Balance: Runout < 0.2mm (low vibration).
- Sealing Test: 50PSI air test (anti-leakage).
- Material Test: Spectral analysis (meets ASTM A536).
III. Application Scenarios & Installation Maintenance
Application Scenarios:
- Cargo Trailers: Dry van/flatbed, long-haul stable.
- RV/Agricultural: Heavy load, rugged conditions.
Installation & Maintenance:
- Installation: Clean axle; 2/3 lithium grease; torque 120-150 ft-lbs; seal.
- Maintenance: Inspect 4m/8k miles; grease semi-annually (quarterly harsh env).
- Abnormality: Replace damaged seals; stop use on noise/overheating.
- Product Advantages
- Core Advantages
- Market Fit: FMVSS compliant, fits top US brands.
- Reliable: Double-row bearings + cast iron, 30% less maintenance.
- Weather Resistant: Dual-layer treatment for US climates.
- Durable: 20% longer life than industry avg.
- Customization: One-stop (drawings/params); custom passes tests.
About Us
20 years of trailer axle manufacturing experience. Specialized in Australian customization (45/50mm options). Compliant with standards, 24h after-sales, on-time delivery to Australia.
Attention Notes
All essential parts included—hub, bearings, seals, no missing pieces.
Sealed design locks out dirt/water, extends hub life.
Fits most trailer sizes, from utility to light hauls.
Smooth rotation reduces friction, eases towing.
Easy to install with basic tools, no pro skills needed.
Sturdy build handles heavy loads without wobble.
