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China factories

China factory - XIAMEN YINTAI MACHINERY CO., LTD.

XIAMEN YINTAI MACHINERY CO., LTD.

  • China,Xiamen ,Fujian
  • Verified Supplier
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  3. EX22 Mini Excavator Track Roller Pro Kit ISO Certified Undercarriage Parts With
China EX22 Mini Excavator Track Roller Pro Kit ISO Certified Undercarriage Parts With
China EX22 Mini Excavator Track Roller Pro Kit ISO Certified Undercarriage Parts With

  1. China EX22 Mini Excavator Track Roller Pro Kit ISO Certified Undercarriage Parts With
  2. China EX22 Mini Excavator Track Roller Pro Kit ISO Certified Undercarriage Parts With
  3. China EX22 Mini Excavator Track Roller Pro Kit ISO Certified Undercarriage Parts With

EX22 Mini Excavator Track Roller Pro Kit ISO Certified Undercarriage Parts With

  1. MOQ： 1PCS
  2. Price： Negotiable
  3. Get Latest Price
Payment Terms L/C,T/T
Supply Ability 10000 PCS/Month
Delivery Time 5-30Days
Packaging Details Standard Export Packaging
Model NO. EX22
Origin Fujian, China
Material 50Mn
Technique Forging casting
Trademark OEM
Surface Hardness HRC50-56
Warranty Time 1 Year
Brand Name YT
Model Number EX22
Place of Origin China (Mainland)
Certification CE, ISO9001: 2000

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,T/T Supply Ability 10000 PCS/Month
Delivery Time 5-30Days Packaging Details Standard Export Packaging
Model NO. EX22 Origin Fujian, China
Material 50Mn Technique Forging casting
Trademark OEM Surface Hardness HRC50-56
Warranty Time 1 Year Brand Name YT
Model Number EX22 Place of Origin China (Mainland)
Certification CE, ISO9001: 2000
High Light EX22 Mini Excavator Track Roller ，Mini Excavator Track Roller ，Heat Treated Mini Excavator Track Roller

EX22 Mini Excavator Track Roller Kit - ISO Certified Undercarriage Parts with Heat-Treated Rollers


1. What is a roller?



Rollers hold an essential position in belt conveyor setups. There is a vast array of roller types, and they are utilized in high volumes. Their core functions consist of sustaining the conveyor belt and bearing the weight of the materials in transit. Importantly, rollers make up roughly 35% of the total expense in a belt conveyor configuration. Moreover, during the system's operation, they produce over 70% of the operational resistance, thus emphasizing the crucial importance of roller quality. In general, modern roller designs are fabricated from two principal materials: steel and plastic.



2. ISO Certification: A Mark of International Quality Assurance

2.1 What Does ISO Certification Mean for You?


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.







3. Heat-Treated Rollers: Engineered for Extreme Durability

3.1 The Science Behind Heat Treatment


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:

  1. Austenitization: Heated to 850°C to dissolve carbon into the crystal structure

  2. Quenching: Rapidly cooled in oil to form a hard martensitic structure

  3. Tempering: Reheated to 200°C to balance hardness (HRC 55-60) and toughness


3.2 Performance Benefits You’ll Notice


  • 30% Longer Lifespan: Outlasts non-treated rollers in abrasive environments

  • 50% Better Impact Resistance: Resists dents from rocks and debris

  • 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



Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2011

  • Total Annual:

    10Million-20Million

  • Employee Number:

    50~100

  • Ecer Certification：

    Verified Supplier

  XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts.   YinTai cooperates with Chinese famous large steel mi...   XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts.   YinTai cooperates with Chinese famous large steel mi...

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Get in touch with us

  • Reach Us
  • XIAMEN YINTAI MACHINERY CO., LTD.
  • No.83-5, Xin’An Road, Nei Cuo Town, Xiang’An District, Xiamen City, China
  • https://www.undercarriagespare-parts.com/

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