Wear Resistant Bottom Track Roller For Cat erpillar 320 Forged SCM440 Alloy Steel
Price:
US$36-46
MOQ:
1PCS
Delivery Time:
7-10Days
Brand:
ZTMC
Product Description
Excavator Bottom Track Roller for Cat erpillar 320
A precision-engineered replacement part specifically designed for Cat erpillar 320 excavators, this bottom track roller offers seamless OEM compatibility with no modifications required for quick, tool-free installation. As a core undercarriage component, it delivers exceptional wear resistance and high-load bearing capacity, engineered to withstand the demands of heavy-duty industrial operations while extending your equipment's service life.
Premium Construction & Materials
Manufactured from forged SCM440 alloy steel with tensile strength ≥850MPa, this track roller features a heat-treated surface (HRC 45-55) with gas nitriding treatment that creates a 0.15mm ultra-hard wear layer. This advanced construction provides superior resistance to abrasive terrain including gravel, rock, and ore, reducing wear by 35% compared to generic replacement parts.
Reinforced Structural Design
- 12mm thick side plates for enhanced durability
- Precision-machined central shaft with ±0.02mm tolerance
- Optimized rib distribution for stable load distribution
- Supports loads up to 22,000kg during high-intensity operations
Application Environments
Ideal for demanding applications across various industries:
- Mining & quarrying operations in abrasive ore terrain
- Construction projects including earthmoving and foundation digging
- Infrastructure development for road and pipeline laying
- Demolition sites with debris impact challenges
- Agricultural land clearing operations
Advanced Sealing Protection
Features IP68-rated labyrinth seal combined with a double oil seal system that effectively blocks dust, mud, and groundwater intrusion. This comprehensive sealing prevents internal rust formation and significantly reduces maintenance downtime.
Quality Assurance & Certifications
Each unit undergoes rigorous quality control procedures including 72-hour static load testing, ultrasonic weld inspection, and abrasion simulation trials. Certified to ISO 9001 and CE standards, ensuring consistent performance and reliability.
Product Specifications
| Specification | Details |
|---|---|
| Compatible Model | Cat erpillar 320 Excavator |
| Material | Forged SCM440 Alloy Steel |
| Surface Hardness | HRC 55-60 |
| Load Capacity | 22,000 kg |
| Sealing Type | Labyrinth + Double Oil Seal (IP68) |
| Dimensional Tolerance | ±0.02mm |
| Certifications | ISO 9001, CE |
| Warranty | 12 Months |
Backed by a comprehensive 12-month warranty, global express shipping options, and 24/7 technical support. This cost-effective solution provides fleet managers and construction firms with reliable performance and extended equipment lifespan.
Trust this wear-resistant, high-load bearing track roller to maintain your Cat erpillar 320 excavator at peak operational efficiency. A dependable undercarriage replacement that balances performance, durability, and compatibility—your optimal choice for heavy-duty operations.

Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Nan'an Zhongte Engineering Machinery Factory
Location
No. 105, Shangdian Street, Changfu Village, Xiamei Town, Nan'an City, Quanzhou City, Fujian Province
Contact Person
Mr.