EX40-2 Heavy-Duty Excavator Track Roller Kit | ISO 6015 Certified Undercarriage Parts with Hardened Rollers
1. What is a roller?
Rollers occupy a pivotal place in belt conveyor arrangements. A wide spectrum of roller varieties exists, and they are deployed in large numbers. Their key functions involve maintaining the conveyor belt and shouldering the weight of the materials being conveyed. Significantly, rollers account for approximately 35% of the overall cost within a belt conveyor setup. Additionally, during the operation of the system, they generate more than 70% of the operational resistance, thereby highlighting the critical significance of the quality of rollers. Generally speaking, contemporary roller designs are constructed from two main materials: steel and plastic.
Our EX22 Pro Kit isn’t just another aftermarket part—it’s a globally recognized standard of excellence. The ISO certification (ISO 9001:2015) ensures every component in this kit undergoes rigorous testing for:
- Material Integrity: Cast from high-grade alloy steel to resist corrosion and impact
- Manufacturing Precision: Engineered using CNC machining for exacting tolerances
- Safety Compliance: Meet or exceed international standards for operational safety
This certification isn’t just a stamp of approval—it’s your guarantee that every track roller, bracket, and fastener in the kit is built to withstand the vibrations, weights, and stresses of daily excavation work.
The core of our Pro Kit’s longevity lies in its heat-treated rollers. Unlike ordinary rollers that soften over time, ours undergo a 3-step heat treatment process:
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Austenitization: Heated to 850°C to dissolve carbon into the crystal structure
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Quenching: Rapidly cooled in oil to form a hard martensitic structure
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Tempering: Reheated to 200°C to balance hardness (HRC 55-60) and toughness
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30% Longer Lifespan: Outlasts non-treated rollers in abrasive environments
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50% Better Impact Resistance: Resists dents from rocks and debris
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Smoother Operation: Reduced friction means less strain on your excavator’s hydraulics
Whether you’re working on a gravel quarry, a muddy pipeline project, or a frozen construction site, these rollers maintain their structural integrity—keeping your machine moving forward when others start to fail.
4. Production Processes
5. Track Roller Structure
6. Design/Structure/Main Dimensions of Installation
7. Our Advantages
* World-class quality
* Factory sale directly with reasonable price
* Flexible payment terms including T/T, L/C and so on
* Fast delivery within 30 days after contract established
* After-sale services: video technical support,24h online support
8. Hot Sale Products
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EX40-2 Heavy-Duty Excavator Track Roller Kit ISO 6015 Certified Undercarriage Parts With Hardened Rollers Images
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