Komatsu HD250 Mini Track Roller 25 Ton Excavator Bottom Roller

Factory Price HD250 Lug-Pattern Excavator Mini Track Roller Bottom Roller for 25-Ton Komatsu HD250-Series.

The HD250 Mini 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.

The HD250 Mini Track Roller is a compact undercarriage component designed exclusively for mini excavators, serving as a critical interface between the machine's frame and rubber track. Its primary function is to support the upper run of the track, reduce friction between the track and frame, and ensure smooth, consistent movement during operation. This component is essential for maintaining the stability and longevity of mini excavator undercarriages, particularly in construction, landscaping, and light demolition tasks.

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