Factory Price Sunward 70 Lug Pattern Excavator Track Roller Bottom Roller

The Sunward 70 Track Roller is a precision-engineered bottom roller designed for excavators in demanding projects. This component ensures durability, excellent load-bearing capacity, and smooth operation in compact construction machinery.

Enhance the performance and longevity of your Sunward SWE70 excavator with a factory-priced bottom roller designed for the exact OEM lug pattern. Made from high-grade 40Cr steel, this roller features induction-hardened treads and lifetime-sealed bearings, ensuring smooth operation and minimal maintenance.

• High-grade Material Selection: Components are crafted from premium materials for maximum durability
• Outer Race/Shell: High-carbon chromium bearing steel (SUJ2) for superior hardness and wear resistance
• Inner Roller/Spindle: Alloy steel (SCM440) engineered to withstand significant radial and axial loads
• Seals & Lubrication: Nitrile rubber (NBR) seals for oil resistance with lithium-based grease for long-term lubrication
• Quality Assurance: All materials undergo thorough inspection for chemical composition and mechanical properties using spectrometers and hardness testers