Quanzhou Mingzhu Technology Development Co., Ltd
| Manufacturing Process | Precision Casting & CNC Machining |
| Application | Excavator Undercarriage System |
| Packaging Details | Export pallet packaging |
| Bearing System | Heavy-Duty Journal Bearing |
| Supply Ability | 1500 MT/month |
| Payment Terms | T/T |
| Lubrication | Lifetime Internal Lubrication |
| Delivery Time | 3-5 days |
| Product Type | Excavator Guide Wheel / Front Idler |
| Tread Hardness | HRC 50–56 |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | EC55 |
| Brand Name | STST |
| Place of Origin | Fujian, China |
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Product Specification
| Manufacturing Process | Precision Casting & CNC Machining | Application | Excavator Undercarriage System |
| Packaging Details | Export pallet packaging | Bearing System | Heavy-Duty Journal Bearing |
| Supply Ability | 1500 MT/month | Payment Terms | T/T |
| Lubrication | Lifetime Internal Lubrication | Delivery Time | 3-5 days |
| Product Type | Excavator Guide Wheel / Front Idler | Tread Hardness | HRC 50–56 |
| Certification | CE、CNAS、COC、SGS、ISO | Model Number | EC55 |
| Brand Name | STST | Place of Origin | Fujian, China |
| High Light | ec55 excavator idler ，precision front idler ，precision excavator idler | ||
The EC55 Idler is a high-performance front guide wheel engineered to provide precise track alignment, balanced radial load distribution, and reliable operation in demanding excavator applications. Manufactured from premium cast alloy steel using advanced casting, CNC machining, induction hardening, and precision grinding technologies, this idler delivers exceptional durability, dimensional accuracy, and resistance to impact and abrasive wear.
Specification | Details |
|---|---|
| Product Name | EC55 Front Idler |
| Product Type | Excavator Guide Wheel / Front Idler |
| Machine Model | EC55 |
| Material | High-Strength Cast Alloy Steel |
| Manufacturing Process | Precision Casting & CNC Machining |
| Heat Treatment | Induction Hardened Raceway & Tempered Core |
| Raceway Hardness | HRC 50–56 |
| Core Hardness | HRC 28–35 |
| Bearing Type | Heavy-Duty Journal Bearing |
| Seal Type | Floating Duo Cone Seal |
| Lubrication | Lifetime Internal Lubrication |
| Surface Finish | Anti-Corrosion Protective Coating |
| Application | Excavator Undercarriage Parts |
| OEM / ODM | Available |
| Packaging | Export Wooden Cases, Pallets, or Customized |
The EC55 Idler is widely used in:
Every EC55 idler is manufactured through a strict quality-controlled production process:
Balanced radial load capacity distributes operating forces evenly across the wheel, reducing localized wear, improving machine stability, and helping extend the service life of the track chain, rollers, and sprockets.
A precision ground raceway creates a smoother contact surface between the idler and the track chain, reducing rolling resistance, minimizing vibration, and promoting more consistent crawler movement.
The floating Duo Cone seal keeps lubricant inside the idler while preventing dust, mud, water, and abrasive particles from entering the bearing cavity, helping maintain reliable long-term performance.
Balanced Radial Load Capacity EC55 Idler, Precision Ground Raceway EC55 Idler, EC55 Idler, Idler, Excavator Undercarriage Parts
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
8000000-12000000
Employee Number:
67~120
Ecer Certification：
Verified Supplier
Quanzhou Mingzhu Technology Development Co., Ltd Quanzhou Mingzhu Technology Development Co., Ltd
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