Caterpillar Bulldozer Undercarriage Spare Parts Mid Frequency Heat-treatment D3C Track Roller Bottom Roller
1. What is a roller?
Cylindrical elements are indispensable components of conveyor systems—available in various models and readily supplied in abundant quantities, they reliably bear the combined load of the conveyor belt and the materials it transports. Their significance is underscored by two critical metrics: they account for 35% of a conveyor system’s total cost and generate over 70% of operational friction, making their quality non-negotiable. These elements are crafted from two primary material categories: metallic and polymeric.
2. Track Rollers Excavator Advantages / Features
Track rollers utilize materials such as 40Mn2, 40MnB, and 50Mn, carefully selected based on working conditions. Each roller undergoes precision forging and normalization before overall heat treatment, achieving a surface hardness of HRC52-60 with a hardened layer depth exceeding 7-10mm (HRC45). This process ensures exceptional durability, delivering high impact resistance and superior surface wear resistance on the contact surfaces.
Fitted with high-quality floating seals and a robust lubricating system, these rollers adapt seamlessly to diverse climates and temperatures. Both track and carrier rollers operate reliably in severe conditions or extreme climates ranging from -45℃ to 120℃, all while requiring zero maintenance.
3. Production Processes
4. Track Roller Structure
5. Design/Structure/Main Dimensions of Installation
6. Our Advantages
* World-class quality
* Factory sale directly with reasonable price
* 35 years' experience in Excavator & Bulldozer spare parts manufacturing
* Flexible payment terms including T/T,L/C and so on
* Fast delivery within 30 days after contract established
* Professional sales team,quality inspection, and report, maritime logistics guidance
* After-sale services: video technical support,24h online support
7. Hot Sale Products
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Caterpillar D3C Track Roller Bottom Roller OEM Quality Bulldozer Part Images
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