Quanzhou Mingzhu Technology Development Co., Ltd
| Material | High-Strength Cast Alloy Steel |
| Product Name | EC55 Guide Wheel |
| Machine Model | EC55 |
| Packaging Details | Export pallet packaging |
| Core Hardness | HRC 28–35 |
| Supply Ability | 1500 MT/month |
| Payment Terms | D/P |
| Seal Type | Floating Duo Cone Seal |
| Delivery Time | 3-5 days |
| Heat Treatment | Induction Hardened Tread & Tempered Core |
| Certification | CE、CNAS、COC、SGS、ISO |
| Brand Name | STST |
| Model Number | EC55 |
| Place of Origin | Fujian, China |
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Product Specification
| Material | High-Strength Cast Alloy Steel | Product Name | EC55 Guide Wheel |
| Machine Model | EC55 | Packaging Details | Export pallet packaging |
| Core Hardness | HRC 28–35 | Supply Ability | 1500 MT/month |
| Payment Terms | D/P | Seal Type | Floating Duo Cone Seal |
| Delivery Time | 3-5 days | Heat Treatment | Induction Hardened Tread & Tempered Core |
| Certification | CE、CNAS、COC、SGS、ISO | Brand Name | STST |
| Model Number | EC55 | Place of Origin | Fujian, China |
| High Light | crack resistant excavator idlers ，guide excavator idlers ，guide undercarriage idler | ||
The EC55 Guide Wheel is a high-quality excavator undercarriage idler designed to provide accurate track guidance, outstanding structural durability, and dependable performance in demanding working environments. Manufactured from premium cast alloy steel through precision casting, CNC machining, induction hardening, and controlled heat treatment, this guide wheel offers exceptional resistance to impact, abrasive wear, and structural fatigue.
The reinforced wheel body is engineered to minimize stress concentration during continuous operation. Combined with premium alloy steel and optimized heat treatment, the structure provides excellent resistance to cracking caused by repeated impact and cyclic loading.
A precision induction-hardening process creates a deep wear-resistant raceway that withstands continuous contact with track links while maintaining a tough internal core for improved impact resistance.
The precision-machined wheel profile helps keep the track chain correctly aligned, reducing lateral movement and promoting smooth crawler travel across uneven working surfaces.
Heavy-duty journal bearings work together with a floating Duo Cone seal to maintain internal lubrication and protect critical components from dust, mud, water, and abrasive particles.
Feature | Customer Benefit |
|---|---|
| Crack-Resistant Wheel Structure | Reduces the risk of structural failure under repeated impact |
| Deep Hardened Raceway | Improves wear resistance and extends operating life |
| Precision Wheel Geometry | Maintains accurate track guidance and smooth operation |
| Premium Alloy Steel | Provides high impact strength and structural stability |
| Floating Duo Cone Seal | Prevents contamination and preserves internal lubrication |
| Precision Bearing Housing | Supports smooth rotation and longer bearing service life |
| Heat-Treated Construction | Balances hardness, toughness, and fatigue resistance |
| OEM Manufacturing Accuracy | Ensures reliable installation and interchangeability |
Each EC55 guide wheel is subjected to rigorous inspection throughout the manufacturing process, including:
These quality control procedures ensure consistent product quality and dependable performance in demanding excavator applications.
The guide wheel combines high-strength cast alloy steel, optimized structural geometry, and controlled heat treatment to reduce internal stress concentration and improve resistance to fatigue cracks during long-term operation.
A deep hardened raceway provides a thick wear-resistant layer that withstands constant contact with track links while maintaining a tough core capable of absorbing heavy impact loads.
The floating Duo Cone seal effectively keeps lubricant inside the guide wheel while preventing dust, mud, sand, and moisture from entering the bearing cavity, reducing wear and maintenance requirements.
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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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