DAEWOO DH55 DH130 DH220 Excavator Track Roller with Surface Hardness HRC52-58 Hardness Depth 8-12mm and 40Mn2/40MnB/50Mn Material
Price:
Negotiable
MOQ:
1PCS
Delivery Time:
7-30 Days
Brand:
YT
Product Description
Earthmoving Excavator Undercarriage Spare Parts DAEWOO DH55 DH130 DH220 Bottom Track Roller
About Track Rollers
The roller is a critical component of belt conveyors, supporting both the conveyor belt and material weight. Accounting for 35% of total conveyor cost and generating over 70% of system resistance, roller quality significantly impacts performance.
Material & Construction
- Materials: 40Mn2, 40MnB, or 50Mn steel selected based on working conditions
- Precision forging with normalization before heat treatment
- Surface hardness HRC52-60 with hardened layer depth of 7-10mm (HRC45)
- High-quality floating seals and lubrication system for -45℃ to 120℃ operation
Key Features
- Quench-tempering process for superior mechanical properties and wear resistance
- Surface hardness HRC40-55 reduces wear and extends service life
- Precision engineered components with lifetime sealing system
- Forged shells resist bell mouthing deformation
Installation Dimensions
| Brand | Model | A | B | E | G | M | L |
|---|---|---|---|---|---|---|---|
| DAEWOO | DH55 | 130 | 110 | 130 | 251 | 218 | 15.5 |
| DH130 | 160 | 135 | 184 | 285 | 250 | 17.5 | |
| DH220 | 185 | 150 | 220 | 356 | 320 | 18 | |
| DH300 | 205 | 168 | 262 | 412 | 368 | 22 |
Note: Additional models available upon request. Contact us with your specific requirements.
Performance Advantages
- Suitable for 3-50 ton excavators and special machinery
- Double conical sealing with lifelong lubrication design
- Hot-forged shells with superior internal material structure
- Advanced heat treatment for crack resistance
Our Manufacturing Advantages
- World-class quality standards
- Factory-direct pricing
- 35 years of specialized experience
- Flexible payment options (T/T, L/C)
- 30-day delivery guarantee
- Professional technical support and logistics guidance
- Comprehensive after-sales service including 24/7 support
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
XIAMEN YINTAI MACHINERY CO., LTD
Location
No.83-5, Xin’An Road, Nei Cuo Town, Xiang’An District, Xiamen City, China
Contact Person
Kevin Chen