This heavy-duty bottom roller track roller is specifically designed for IHI 18vx mini excavators, ensuring smooth and reliable operation of your equipment. The robust construction features a durable black finish and precision-engineered components, with overall dimensions of 12.6cm in length and 12cm in diameter, with a 1cm center bore. The roller includes metal end caps and mounting hardware for secure installation. Built to withstand the demanding conditions of construction and excavation work, this track roller provides consistent performance and helps maintain proper track tension and alignment. The roller's design incorporates sealed bearings to help extend service life in challenging environments. This replacement part is compatible with IHI 18vx mini excavator models and is essential for maintaining optimal undercarriage performance.