Quanzhou Mingzhu Technology Development Co., Ltd
| OEM Part Number | CR5108, 1519747 (Universal Replacement) |
| Compatible Model | CAT E70B Mini Excavator, compatible with E307, E70 Series |
| Packaging Details | Export pallet packaging |
| Raceway Surface Hardness | HRC52–58 |
| Supply Ability | 1500 MT/month |
| Payment Terms | D/P,T/T |
| Hardened Layer Depth | 8–12mm |
| Delivery Time | 3-5 days |
| Product Type | Double Flange Track Roller / Lower Roller / Bottom Roller |
| Wheel Body Material | 50Mn / 40MnB Alloy Forged Steel |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | E70B |
| Brand Name | STST |
| Place of Origin | Fujian China |
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Product Specification
| OEM Part Number | CR5108, 1519747 (Universal Replacement) | Compatible Model | CAT E70B Mini Excavator, compatible with E307, E70 Series |
| Packaging Details | Export pallet packaging | Raceway Surface Hardness | HRC52–58 |
| Supply Ability | 1500 MT/month | Payment Terms | D/P,T/T |
| Hardened Layer Depth | 8–12mm | Delivery Time | 3-5 days |
| Product Type | Double Flange Track Roller / Lower Roller / Bottom Roller | Wheel Body Material | 50Mn / 40MnB Alloy Forged Steel |
| Certification | CE、CNAS、COC、SGS、ISO | Model Number | E70B |
| Brand Name | STST | Place of Origin | Fujian China |
| High Light | e70b bulldozer carrier roller ，e70b bulldozer undercarriage parts ，mining bulldozer carrier roller | ||
The E70B Mining Track Roller is engineered for CAT excavators operating in demanding mining, quarrying, and heavy-duty construction environments. Manufactured from high-strength alloy steel and subjected to advanced heat treatment processes, this track roller delivers exceptional wear resistance, load-bearing performance, and long-term reliability.
The precision-machined double flange structure keeps the track chain aligned correctly, minimizing lateral movement and improving overall undercarriage stability.
Manufactured from premium alloy steel materials to withstand heavy impact loads and harsh mining conditions.
The roller shell undergoes induction hardening and heat treatment to achieve superior surface hardness and extended service life.
Equipped with high-performance floating seals that effectively prevent oil leakage and block dust, mud, and water contamination.
Optimized internal lubrication and precision machining reduce friction and wear, resulting in lower maintenance costs and increased equipment uptime.
Suitable for mining, quarrying, earthmoving, road construction, and other high-load applications.
Item | Specification |
| Product Name | E70B Mining Track Roller |
| Component Type | Bottom Roller / Track Roller |
| Design | Double Flange |
| Material | High-Strength Alloy Steel |
| Heat Treatment | Induction Hardened |
| Seal Type | Floating Seal System |
| Application | Mining Excavators |
The E70B Track Roller is widely used in:
Its robust construction ensures reliable support for excavators working under extreme loads and abrasive ground conditions.
The double flange structure provides better track guidance, reduces side movement, and improves undercarriage stability during operation on uneven terrain.
Yes. The E70B Mining Track Roller is specifically designed for high-load mining and quarry operations where durability and wear resistance are critical.
The floating seal system prevents lubricant loss and protects internal components from contamination, significantly extending the roller's operational lifespan.
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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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