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R520 Track Idler 81QB-13011 with medium frequency quenching for heavy-load track tension regulation system
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R520 Track Idler 81QB-13011 with medium frequency quenching for heavy-load track tension regulation system
| MOQ: | 1PCS |
| Price: | US$105-221 |
| Standard Packaging: | Standard Export Packaging |
| Delivery Period: | 7-15Days |
| Payment Method: | T/T,L/C |
| Supply Capacity: | 10000PCS/Months |
Detail Information
Place of Origin
CHINA
Brand Name
ZTMC
Certification
ISO9001
Model Number
R520/R520LC-7/R520LC-9/R490
Color:
Black And Yellow
Trademark:
OEM
Surfacetreatment:
Heat Treated And Painted
Feaatures:
Durable
Warranty Time:
18 Months
Technique:
Casting And Heat Treatment
Productname:
Excavator Front Idler
Dimension:
Standard
Product Description
R520 Track Idler 81QB-13011 with Medium Frequency Quenching
This professional heavy-duty track guiding and tensioning component is customized for R520 series large excavator undercarriage systems. Unlike conventional heat-treated idlers with single and unstable hardness, this track idler utilizes advanced medium frequency quenching technology optimized specifically for heavy-load track tension regulation scenarios.
Technical Specifications
| Parameter Item | Factory Verified Specification |
|---|---|
| Part Number | 81QB-13011 |
| Applicable Equipment | R520 Series Excavator |
| Core Technology | Precision Medium Frequency Quenching |
| Surface Hardness | HRC 52-58 |
| Dimensional Tolerance | ±0.02mm |
| Structural Feature | Layered Hardness, Anti-wear & Anti-impact |
| Working Scenarios | Heavy-load mining, earthwork, continuous tension operation |
Advanced Quenching Technology
Most ordinary track idlers adopt overall single quenching or shallow heat treatment, which cannot adapt to continuous tension fluctuation and heavy impact of large chassis track systems. This 81QB-13011 track idler features differentiated medium frequency quenching craftsmanship with controllable heating depth and uniform layered hardness distribution. The surface forms a thick, stable wear-resistant layer while the inner body retains excellent mechanical toughness.
Core Advantages
- Scientific dual-performance structure balancing surface abrasion resistance and internal impact resistance
- Stable track tension balance during high-intensity operation
- Prevents track loosening, deviation, and abnormal chassis wear
- Accurate dimensional tolerance for direct bolt-on replacement
- Standardized heat treatment process ensuring batch consistency
- Meets long-term heavy-load operation requirements
Quality Assurance & Packaging
Every finished unit undergoes strict hardness detection and tension matching testing. All products are treated with anti-rust oil, waterproof film wrapping, and reinforced wooden box packaging to prevent damage during transportation. We support sample testing, small-batch trial orders, and bulk wholesale for global engineering equipment maintenance.
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