HJDP UJR5320 Universal Joint for KAMAZ – 28mm x 37.2mm
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Description
The HJDP UJR5320 is a premium universal joint cross specifically engineered for KAMAZ heavy-duty trucks, serving as a direct replacement for the OEM part number 5320-3422039. This precision-manufactured steering cardan joint ensures smooth power transmission and reliable steering operation in the most demanding conditions, making it ideal for KAMAZ models including 5320, 4310, 4326, 53212, 5410, 54112, 5511, 55102, 65115, 4308, and 6522 series. With exact dimensions of 28mm x 37.2mm x 68mm, this universal joint cross guarantees perfect fit and seamless integration with your KAMAZ truck’s steering system.
Key Specifications (Technical Parameters)
| Parameter | Value | Description |
|---|---|---|
| Model Number | HJDP UJR5320 | Manufacturer’s part number |
| OEM Part Number | 5320-3422039 | Direct replacement for KAMAZ original equipment |
| Type | Steering Universal Joint Cross | Specifically designed for steering systems |
| Dimensions | 28mm x 37.2mm x 68mm | Pin diameter (D) × Spider width (W) × Overall length (L) |
| Pin Diameter (D) | 28mm | Critical dimension for proper fit |
| Spider Width (W) | 37.2mm | Distance between bearing seats |
| Overall Length (L) | 68mm | Total length of the universal joint cross |
| Material | 20CrMnTi Alloy Steel | High-strength alloy steel for maximum durability |
| Surface Hardness | HRC 58-64 | Induction-hardened for wear resistance |
| Core Hardness | HRC 33-48 | Optimal balance of strength and toughness |
| Bearing Type | Needle Roller Bearings | Precision bearings for smooth rotation |
| Dust Cover | NBR Rubber | Oil-resistant seal to prevent contamination |
| Weight | 0.043 kg | Lightweight yet robust construction |
| Application | KAMAZ Trucks | Steering system of KAMAZ 5320, 4310, 6520, 4326, 53212 series |
Key Features & Benefits
- Perfect OEM Fit: Exact dimensions (28mm × 37.2mm × 68mm) ensure seamless integration with KAMAZ steering systems
- Exceptional Durability: Premium 20CrMnTi alloy steel construction with induction-hardened surfaces withstands heavy loads and extreme conditions
- Smooth Operation: Precision needle roller bearings reduce friction and provide consistent steering performance
- Corrosion Resistance: Black oxide finish for enhanced protection against rust and environmental damage
- Easy Installation: Direct replacement for 5320-3422039 without modifications to existing components
- Cost-Effective Solution: High-quality aftermarket alternative to expensive OEM parts with comparable performance and reliability
Applications
The HJDP UJR5320 universal joint cross is specifically designed for the steering cardan shaft of KAMAZ heavy-duty trucks, including:
- KAMAZ 5320 series
- KAMAZ 4310 series
- KAMAZ 6520 series
- KAMAZ 4326, 53212, 5410, 54112, 5511, 55102, 65115, 4308, 6522 models
Material & Manufacturing
- Raw Material: High-purity 20CrMnTi alloy steel (GB/T 3077 standard) for superior mechanical properties
- Production Process: Precision forging → CNC machining → Heat treatment (quenching & tempering) → Induction hardening → Surface finishing → Quality inspection
- Quality Control: Each joint undergoes rigorous testing for dimensional accuracy, hardness, and rotational smoothness
Installation & Maintenance
- Clean all mating surfaces before installation
- Apply high-temperature grease to needle bearings
- Ensure proper alignment of yokes during assembly
- Torque to manufacturer specifications (refer to KAMAZ service manual)
- Regularly inspect for wear, damage, or lubrication issues
Packaging
- Individual plastic bag
- Color box
- Outer carton with wooden pallet (for bulk orders)
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Customer Reviews
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