Quanzhou Mingzhu Technology Development Co., Ltd
| Roller Shell Hardness | HRC 52–58 |
| Material | High-Strength Alloy Steel |
| Packaging Details | Export pallet packaging |
| Seal Type | Floating Duo Cone Seal |
| Supply Ability | 1500 MT/month |
| Payment Terms | T/T |
| Contact Surface | Precision Ground Wear Surface |
| Delivery Time | 3-5 days |
| Product Name | SK30 Carrier Roller |
| Heat Treatment | Induction Hardened Surface Layer |
| Certification | CE、CNAS、COC、SGS、ISO |
| Model Number | SK30 |
| Brand Name | STST |
| Place of Origin | Fujian, China |
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Product Specification
| Roller Shell Hardness | HRC 52–58 | Material | High-Strength Alloy Steel |
| Packaging Details | Export pallet packaging | Seal Type | Floating Duo Cone Seal |
| Supply Ability | 1500 MT/month | Payment Terms | T/T |
| Contact Surface | Precision Ground Wear Surface | Delivery Time | 3-5 days |
| Product Name | SK30 Carrier Roller | Heat Treatment | Induction Hardened Surface Layer |
| Certification | CE、CNAS、COC、SGS、ISO | Model Number | SK30 |
| Brand Name | STST | Place of Origin | Fujian, China |
| High Light | sk30 carrier roller ，aftermarket excavator undercarriage parts sk30 ，wear resistance aftermarket excavator undercarriage parts | ||
The SK30 Carrier Roller is a precision-engineered excavator undercarriage component designed to provide reliable upper track support, smooth crawler movement, and enhanced operational stability for compact excavators. Manufactured from high-strength alloy steel with advanced forging, CNC machining, heat treatment, and sealing technologies, this carrier roller delivers outstanding durability in demanding working environments.
Specification | Details |
|---|---|
| Product Name | SK30 Carrier Roller |
| Product Type | Excavator Top Roller / Upper Roller |
| Application | Mini 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 |
| Core Hardness | HRC 30–36 |
| Bearing Type | Heavy-Duty Internal Bearing |
| Seal Type | Floating Duo Cone Seal |
| Lubrication | Lifetime Sealed Lubrication |
| Contact Surface | Precision Ground Wear Surface |
| Surface Protection | Anti-Corrosion Coating |
| OEM / ODM | Available |
| Packaging | Export Wooden Cases, Pallets, or Customized |
Each SK30 carrier roller is manufactured through a strict quality-controlled process:
Every SK30 carrier roller undergoes comprehensive inspection before shipment:
Strict quality control ensures consistent performance, reliable fitment, and long service life for excavator undercarriage applications.
The SK30 carrier roller supports the upper section of the track chain, helping maintain proper chain movement, reduce track sag, and improve overall undercarriage stability.
The hardened contact surface reduces abrasion caused by continuous track chain friction, allowing the roller to maintain performance and operate longer before replacement.
Compact excavators often work on uneven surfaces where vibration and shock loads occur. Excellent impact resistance helps prevent cracking and improves structural durability.
Yes. It is designed for compact excavators operating in construction, landscaping, utility, and earthmoving environments where durability and reliability are required.
Excellent Impact Resistance SK30 Carrier Roller, SK30 Carrier Roller, Excavator Undercarriage Parts, Carrier Roller, High Wear Resistance Performance SK30 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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