Track Undercarriage Parts Bottom Roller for Hyundai R290 R320 Excavators
Durable and wear-resistant undercarriage parts bottom roller for Hyundai R290 / R320 crawler excavators. Made with high-strength alloy steel and strict quality control to ensure long service life and excellent performance in tough working environments.
| Material | 50Mn/40MnB |
|---|---|
| Surface Hardness | HRC53-58,deepth: 8-12mm |
| Colors | Black or yellow or customized |
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
Working Principle of R290/R320 Undercarriage Parts Bottom Roller
The bottom roller for Hyundai R290/R320 excavators plays a vital role in supporting the machine’s weight and maintaining smooth track movement during operation. It guides the track chains and ensures that tension and alignment are stable under various working conditions. Designed to handle heavy loads and continuous impact, this undercarriage component is essential for reliable and safe excavator performance.
High-Quality Steel and Precision Heat Treatment for Long Service Life
The R290/R320 bottom roller is manufactured using premium-grade 45# steel or 42CrMo alloy steel. These materials are known for their excellent strength, toughness, and wear resistance.
After precision forging and CNC machining, the roller body undergoes surface hardening (HRC 52-58) to resist deformation and abrasion. The bushing is also hardened and tempered to ensure high load-bearing capacity and long-term performance in demanding environments.
Manufacturing Process for R290/R320 Track Roller
Our bottom rollers go through the following production steps:
Heat Treatment
Machining Process
CNC turning and milling ensure dimensional accuracy
Assembly
Running Test
Simulated load test to verify functionality
Paint Spraying
Anti-rust coating for surface protection
Packing
OEM Undercarriage Parts for Hyundai Excavators
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| HYUNDAI | R55 | R55-3 | R55-7 | R60 | R60-7 | R60CR-9 | R75-7 | R80 |
| R80-7 | R80CR-9 | R130-5 | R130-7 | R140LC-9 | R145LCR-9 | R150 | R150LC-7 | |
| R160LC-3 | R180LC-3 | R200 | R200-5 | R210 | R210-3 | R210LC-3 | R210LC-7 | |
| R215-7 | R220-5 | R220LC-9 | R225-7 | R235LCR-9 | R250LC-3 | R260-5 | R260LC-9 | |
| R265 | R275 | R290 | R290LC-3 | R290LC-7 | R300 | R300-5 | R300LC-9 | |
| R305 | R320 | R320LC-9 | R330LC-9 | R360 | R360LC-9 | R380LC-9 | R385 | |
| R420 | R450-3 | R450-5 | R450LC-7 | R480LC-9 | R500LC-7A | R520LC-9 | R800LC-7A | |
| HX90A | HX1000L | HX130A LCR | HX145LCR | HX220L | HX235LCR | HX260L | HX300L | |
| HX330L | HX380L | HX480L | HX520L | HX800L | HW100A | HW140 | HW180 | |
| HW210 | ||||||||
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Quality Control and Testing
Every R290/R320 bottom roller is subjected to strict quality inspection protocols. This includes hardness testing, surface flaw detection, dimension precision check, and assembly trial run. Our QC system ensures each unit delivered meets both OEM standards and customer expectations for durability and performance.
Compatibility Guarantee and After-Sales Support
Our engineering team verifies fitment with all listed Hyundai R290&R320-series excavators. Whether used for replacement or fleet maintenance, our rollers deliver precise compatibility. We provide prompt support for technical questions, installation assistance, or warranty issues.
Application Scenarios: Excavators in Real Working Conditions
This bottom roller is widely used in a variety of work environments where Hyundai R290 class excavators operate, such as:
- Earthmoving and general excavation
- Quarry and mining operations
- Road and infrastructure projects
- Forestry and slope work
- Demolition and recycling sites
Why Choose Our R290/R320 Bottom Rollers
- Made with high-strength alloy materials
- Precision machining for perfect fitting
- Enhanced wear resistance with hardened surfaces
- OEM-compliant design and structure
- Competitive factory pricing with global shipping
Maintenance Tips
- Regularly check for oil leakage and replace worn seals promptly
- Maintain proper track tension to reduce roller and chain wear
- Clean the undercarriage regularly to avoid premature corrosion or jamming
- Replace rollers in pairs to ensure balanced track movement
SHIPPING & DELIVERY
At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.
All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.
Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.
We offer flexible global shipping options, including:
- International sea freight for cost-effective bulk transport
- Air freight for urgent orders
- Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments
Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.
Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.
FAQ
Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.
Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.
Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.
Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.
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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
