ZAX870 Excavator Track Roller For 87 Ton Hitachi ZAX870-Series

Factory Price ZAX870 Lug-Pattern Excavator Track Roller Bottom Roller for 87-Ton Hitachi ZAX870-Series.

The ZAX870 Track Roller is Kubota's compact powerhouse component designed for excavators in demanding Australian projects. This precision-engineered bottom roller ensures durability, excellent load-bearing capacity, and smooth operation in compact construction machinery.

Enhance the performance and longevity of your ZAX870 excavator with a factory-priced bottom track roller designed for the exact OEM lug pattern. Made from high-grade 50Mn steel, this roller features induction-hardened treads and lifetime-sealed bearings, ensuring smooth operation and minimal maintenance. 10-bolt flange, 300 mm bolt-circle, direct drop-in.

Our production involves rigorous quality-controlled processes:

• 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