
HYUNDAI R850LC-9 Track Roller Group/Heavy-duty construction machinery parts source factory supply directly.
Product Specifications
The HYUNDAI/31ND-40071/R850LC-9 Track Roller Group is a critical undercarriage component specifically engineered for HYUNDAI R800/R850/R950 series excavators. This complete assembly ensures smooth track movement while supporting the machine's weight and maintaining proper track chain alignment during operation.
Key Specifications:
Compatible Model: HYUNDAI R800/R850LC-9 excavators
Material: High-carbon alloy steel construction
Bearing Type: Sealed roller bearings (lubricated-for-life design)
Surface Treatment: Induction hardened outer surface (HRC 55-60)
Seal Type: Multi-labyrinth seal with premium rubber components
Weight: Approximately 85-95 kg (varies by configuration)
Dimensions: Standard OEM specifications (exact measurements available upon request)
Technical Features:
Durable Construction:
Forged steel housing with precision machining
Double-flange design for enhanced stability
Heat-treated components for maximum wear resistance
Advanced Bearing System:
Large-diameter tapered roller bearings
Pre-lubricated and pre-adjusted at factory
Corrosion-resistant bearing surfaces
Enhanced Sealing Technology:
Triple-lip seal configuration
Dust and water exclusion system
Grease purge channel for contaminant removal
Performance Characteristics:
Dynamic load capacity: 25,000-30,000 lbs
Operating temperature range: -30°C to +120°C
Designed for 5,000+ service hours under normal conditions
Installation & Maintenance:
Bolt-on replacement design for easy installation
Requires standard undercarriage tools for replacement
Recommended inspection interval: Every 250 operating hours
Lubrication interval: Every 500 hours (if equipped with grease fittings)
Package Includes:
Complete track roller assembly
Mounting hardware (bolts, nuts, washers as required)
Installation instructions
Warranty documentation
Available Options:
OEM genuine part :31ND-40071
Premium aftermarket equivalent
Rebuilt/exchange units
Custom configurations available for special applications
Applications:
Earthmoving operations
Construction sites
Mining applications
Road building projects
General excavation work
Warranty:
Standard 12-month warranty (OEM)
6-month warranty (aftermarket premium)
3-month warranty (rebuilt units)
Compliance:
Manufactured to ISO 9001 quality standards
Meets HYUNDAI OEM specifications
ROHS compliant materials
Ordering Information:
Minimum order quantity: 1 unit
Lead time: 3-5 days (in stock), 2-3 weeks (special orders)
Packaging: Wooden crate or heavy-duty cardboard
Shipping: Worldwide delivery available