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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. SANY SY75C Mini Excavator Track Roller 50Mn Heat-Treated
China SANY SY75C Mini Excavator Track Roller 50Mn Heat-Treated
China SANY SY75C Mini Excavator Track Roller 50Mn Heat-Treated

  1. China SANY SY75C Mini Excavator Track Roller 50Mn Heat-Treated
  2. China SANY SY75C Mini Excavator Track Roller 50Mn Heat-Treated
  3. China SANY SY75C Mini Excavator Track Roller 50Mn Heat-Treated

SANY SY75C Mini Excavator Track Roller 50Mn Heat-Treated

  1. MOQ： 1PCS
  2. Price： Negotiable
  3. Get Latest Price
Payment Terms L/C,T/T
Supply Ability 10000 PCS/Month
Delivery Time Within 30 Days After Contract Established
Packaging Details Standard Exporting Packing
Model NO. SY75C
Application Mini Excavator
Condition New
Material 50mn, 35mnb
Surface Hardness HRC52-58
Color Black/Yellow
Type Crawler
Brand Name YT
Model Number SY75C
Place of Origin China
Certification 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 Within 30 Days After Contract Established Packaging Details Standard Exporting Packing
Model NO. SY75C Application Mini Excavator
Condition New Material 50mn, 35mnb
Surface Hardness HRC52-58 Color Black/Yellow
Type Crawler Brand Name YT
Model Number SY75C Place of Origin China
Certification ISO9001: 2000
High Light SANY SY75C mini excavator track roller ，heat-treated 50Mn track roller ，mini excavator bottom track rollers

Komatsu Excavator Undercarriage Spare Parts Mid Frequency Heat-treatment PC300-6/7/8 Track Roller Bottom Roller




1. What is a roller?


Rollers are crucial components in belt conveyors, utilized in large quantities and responsible for supporting both the conveyor belt and transported materials. Notably, roller costs comprise 35% of a belt conveyor’s overall cost, while they generate over 70% of operational resistance—making their quality indispensable. Rollers are available in two primary materials: steel and plastic.

 

For Track Rollers, materials like 40Mn2, 40MnB, and 50Mn are selected based on working conditions. The rollers undergo precision forging and normalization before overall heat treatment, achieving HRC52-60 surface hardness with a hardened layer depth of over 7-10mm (HRC45). This ensures exceptional durability, delivering high impact resistance and surface wear resistance on contact surfaces. Equipped with high-quality floating seals and a robust lubricating system, they adapt to diverse climates and temperatures—operating seamlessly in severe conditions ranging from -45℃ to 120℃ while remaining maintenance-free.



2. Track Rollers Excavator Advantages / Features

✔ This manufacturing approach guarantees the rollers against rapid wear issues, significantly extending their service life.
✔ The materials available for Track roller and Carrier roller are 40Mn2, 40MnB, and 50Mn, selected based on working conditions.
✔ Track Rollers are welded first and then precision-machined on vertical CNC turning lathes, eliminating concentricity errors. This process offers unparalleled quality advantages compared to precision machining before welding.
✔ High-quality floating seals and a lubricating system are employed to adapt to diverse climatic and temperature conditions. The rollers can operate under severe working conditions or climates ranging from -45℃ to 120℃, ensuring maintenance-free performance.
✔ The rollers undergo precision forging and normalization before overall heat treatment, achieving a surface hardness of HRC 52-60 with a hardened layer depth of over 7-10mm (HRC 45). This enhances durability, providing high impact resistance and surface wear resistance on the contact surfaces.










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

* 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



7. 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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