Quanzhou Mingzhu Technology Development Co., Ltd
| Application | Mini Excavator Undercarriage System |
| Product Type | Excavator Carrier Roller / Top Roller |
| Packaging Details | Export pallet packaging |
| Roller Shell Hardness | HRC 52–58 |
| Supply Ability | 1500 MT/month |
| Payment Terms | L/C |
| Shaft Hardness | HRC 28–35 |
| Delivery Time | 3-5 days |
| Product Name | PC40 Carrier Roller |
| Material | High-Strength Alloy Steel |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | PC40 |
| Brand Name | STST |
| Place of Origin | Fujian, China |
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Product Specification
| Application | Mini Excavator Undercarriage System | Product Type | Excavator Carrier Roller / Top Roller |
| Packaging Details | Export pallet packaging | Roller Shell Hardness | HRC 52–58 |
| Supply Ability | 1500 MT/month | Payment Terms | L/C |
| Shaft Hardness | HRC 28–35 | Delivery Time | 3-5 days |
| Product Name | PC40 Carrier Roller | Material | High-Strength Alloy Steel |
| Certification | CE、CNAS、COC、SGS、ISO | Model Number | PC40 |
| Brand Name | STST | Place of Origin | Fujian, China |
| High Light | pc40 carrier roller ，undercarriage parts of excavator pc40 ，abrasion resistant carrier roller | ||
The PC40 Carrier Roller is a high-performance excavator undercarriage component engineered to provide stable upper track support, smooth chain movement, and reliable operation in compact excavator applications. Manufactured from high-strength alloy steel with advanced forging, CNC machining, heat treatment, and sealing technologies, this carrier roller delivers excellent durability under continuous working conditions.
Specification | Details |
|---|---|
| Product Name | PC40 Carrier Roller |
| Product Type | Excavator Top Roller / Upper Roller |
| Compatible Machine | PC40 |
| Application | Excavator Undercarriage System |
| Material | High-Strength Alloy Steel |
| Manufacturing Process | Precision Forging & CNC Machining |
| Heat Treatment | Induction Hardened Roller Surface |
| Roller Shell Hardness | HRC 52–58 |
| Shaft Hardness | HRC 28–35 |
| Bearing Type | Heavy-Duty Internal Bearing |
| Seal Type | Floating Duo Cone Seal |
| Lubrication | Permanent Sealed Lubrication System |
| Surface Finish | Precision Ground Contact Surface |
| Surface Protection | Anti-Corrosion Coating |
| OEM / ODM | Available |
| Packaging | Export Wooden Cases, Pallets, or Customized |
The PC40 carrier roller features a hardened running surface designed to withstand continuous friction between the roller and track chain. The optimized surface hardness improves resistance against abrasive wear, helping maintain roller performance and extending service intervals.
The reinforced roller structure, high-quality materials, and advanced heat treatment process provide excellent durability during long-term operation. The carrier roller maintains reliable performance even under frequent loading, vibration, and harsh working conditions.
The precision-ground roller profile ensures smooth upper track chain movement, reducing vibration and improving crawler stability. Proper chain support also helps minimize uneven wear across the complete undercarriage system.
Manufactured from premium alloy steel, the PC40 carrier roller offers excellent resistance to impact loads, fatigue stress, and deformation, making it suitable for demanding compact excavator applications.
The floating Duo Cone seal effectively prevents dust, mud, water, and abrasive particles from entering the internal bearing chamber while maintaining proper lubrication for extended component life.
The PC40 carrier roller supports the upper section of the track chain, helping maintain proper chain movement, reduce track sag, and improve overall crawler stability.
The hardened contact surface reduces wear caused by continuous friction with the track chain, helping maintain performance and extending replacement intervals.
A longer service life reduces machine downtime, lowers maintenance costs, and improves overall equipment productivity in daily operations.
Yes. The PC40 carrier roller is designed for construction, landscaping, earthmoving, and other applications where equipment experiences vibration, dust, and continuous operation.
Long Service Life Design PC40 Carrier Roller, PC40 Carrier Roller, Excavator Undercarriage Parts, Abrasion Resistant Contact Surface PC40 Carrier Roller, Carrier 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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