Heavy Duty Excavator Undercarriage Parts Single Flange Guided E320 Heat- treatment Technology Bottom Track Rollers
1. What is a roller?
The roller is a vital component of belt conveyors—it comes in diverse types and large quantities, and its core function is to support both the conveyor belt and the weight of transported materials. Critically, rollers account for 35% of a belt conveyor’s total cost while generating over 70% of the system’s operational resistance—making the roller’s quality particularly critical to overall performance and efficiency.
Track rollers use materials including 40Mn2, 40MnB, and 50Mn, selected based on specific working conditions. Each roller first undergoes precision forging and normalization, followed by overall heat treatment—this process achieves a surface hardness of HRC52-60 and a hardened layer depth of over 7-10mm (HRC45), ensuring superior durability along with high impact resistance and strong surface wear resistance on the rollers’ contact surfaces.
Equipped with high-quality floating seals and a reliable lubricating system, these rollers adapt seamlessly to diverse climates and temperatures. Both track and carrier rollers perform stably under severe working conditions or extreme climates ranging from -45℃ to 120℃, while keeping the components maintenance-free.
2. Track Rollers Excavator Advantages / Features
* Through quench-tempering processes to ensure excellent mechanical properties, high strength and superior wear resistance to bending and breakage.
* Surface hardness HRC40-55 for reduced wear and longer life, adding value to your products further to your business by maximizing the durability of your products.
* Precise design, carefully manufactured for proper fix easy grousing heavy loaded capacity up to 50 tons without compromising the proper functioning of the excavator's reliable quality, high-cost performance, quality services. Our products, your best choice.
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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E320 Excavator Bottom Track Rollers 50 Tons Capacity 2 Years Warranty Images
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