CATERPILLAR 477277-300 Bearing-Roller 477277300

Caterpillar 477277-300 Bearing-Roller – OEM-Grade Durability for Excavators 5ZL-5130 & 7LL-5230

The Caterpillar 477277-300 Bearing-Roller is a precision-engineered drivetrain component designed specifically for heavy-duty excavators such as the 5ZL-5130 and 7LL-5230 models. Manufactured to OEM specifications, this roller bearing features high-grade metallurgy that ensures exceptional resistance to wear and fatigue under extreme load conditions. With exact dimensions tailored for seamless integration, the 477277-300 bearing-roller optimizes rotational efficiency and load distribution, contributing to enhanced machine longevity and reduced maintenance downtime.

Constructed from premium alloy steel with advanced heat treatment processes, this bearing-roller delivers superior hardness and toughness, essential for withstanding the rigorous demands of excavator operations. Its robust design minimizes friction and vibration within the drivetrain, promoting smoother performance and improved fuel efficiency. Ideal for replacement or upgrade, the Caterpillar 477277-300 bearing-roller guarantees reliable operation in harsh environments, ensuring your excavator maintains peak productivity.

🔗 For authentic Caterpillar 477277-300 Bearing-Roller and detailed specifications, visit the official product page at Caterpillar 477277-300 Bearing-Roller on AllParts Expert.