Quanzhou Mingzhu Technology Development Co., Ltd
| Type | Excavator Undercarriage Parts |
| Color | Black |
| Packaging Details | Export pallet packaging |
| Axle Material | Medium Carbon Alloy Structural Steel |
| Payment Terms | D/A,D/P,T/T |
| Seal Structure | Double Cone Floating Seal, Lifetime Grease Lubrication |
| Supply Ability | 1500 MT/month |
| Manufacturing Process | Hot Forging + Precision Machining + Induction Quenching |
| Delivery Time | 3-5 days |
| Effective Hardened Depth | 4–10 mm |
| Certification | CE、CNAS、COC、SGS、ISO |
| Brand Name | STST |
| Model Number | EC55 |
| Place of Origin | Fujian China |
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Product Specification
| Type | Excavator Undercarriage Parts | Color | Black |
| Packaging Details | Export pallet packaging | Axle Material | Medium Carbon Alloy Structural Steel |
| Payment Terms | D/A,D/P,T/T | Seal Structure | Double Cone Floating Seal, Lifetime Grease Lubrication |
| Supply Ability | 1500 MT/month | Manufacturing Process | Hot Forging + Precision Machining + Induction Quenching |
| Delivery Time | 3-5 days | Effective Hardened Depth | 4–10 mm |
| Certification | CE、CNAS、COC、SGS、ISO | Brand Name | STST |
| Model Number | EC55 | Place of Origin | Fujian China |
| High Light | ec55 bottom roller ，ec55 bottom track roller ，demanding bottom roller | ||
The EC55 Bottom Roller is a critical undercarriage component engineered to provide reliable support, smooth track movement, and long-lasting performance for excavators operating in challenging environments. Manufactured from premium-grade alloy steel and processed using advanced heat treatment technology, this bottom roller delivers exceptional durability, wear resistance, and structural strength.
Engineered to support heavy loads and continuous operation, the EC55 bottom roller contributes to stable machine movement and efficient undercarriage performance.
Constructed from high-strength alloy steel and subjected to precision heat treatment, providing excellent resistance to wear, impact, and harsh working conditions.
Designed with precise dimensional tolerances to ensure smooth interaction with track chains, reducing friction and extending component life.
High-quality sealing systems help retain lubrication while preventing the entry of dirt, dust, mud, and moisture.
Built to withstand demanding workloads encountered in construction, excavation, mining, and earthmoving applications.
Product Name | EC55 Bottom Roller |
| Equipment Type | Excavator |
| Part Type | Bottom Roller / Track Roller |
| Category | Undercarriage Parts |
| Material | High-Strength Alloy Steel |
| Surface Treatment | Heat Treated |
| Feature | High Performance |
| Application | Excavator Undercarriage System |
| Installation | OEM Replacement |
The EC55 Bottom Roller is suitable for a wide range of operating environments, including:
Its robust design ensures dependable performance even under severe working conditions involving heavy loads, abrasive materials, and continuous machine operation.
We use carefully selected alloy steel materials to ensure outstanding strength, durability, and wear resistance.
Advanced machining processes guarantee dimensional accuracy and consistent product quality.
Each roller undergoes comprehensive inspection procedures, including:
Longer service life and reduced maintenance requirements help lower total ownership costs and maximize equipment uptime.
A high-quality bottom roller helps reduce track wear, improve stability, extend undercarriage life, and minimize maintenance costs.
A bottom roller supports the weight of the machine and guides the track chain, ensuring smooth travel and stable operation.
Yes. It is specifically designed for demanding construction, excavation, mining, and earthmoving operations.
EC55 Bottom Roller, EC55 Excavator Track Rollers, Bottom Roller, High Performance Undercarriage Component Bottom Roller, Built For Demanding Construction Applications Bottom Roller
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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