CATERPILLAR 477277-301 Bearing-Roller 477277301

Caterpillar 477277-301 Bearing-Roller – High-Performance OEM Replacement for Excavators

The Caterpillar 477277-301 Bearing-Roller is a precision-engineered component designed for optimal performance in heavy-duty excavators such as the 4HZ-5230B and 7LL-5230 models. Manufactured to OEM-grade specifications, this roller bearing features robust metallurgy and exacting dimensional tolerances to withstand extreme load conditions and harsh operating environments. With an inner diameter and outer diameter tailored to fit seamlessly within the drivetrain assembly, the 477277-301 ensures smooth rotational movement and enhanced durability, reducing downtime and maintenance costs.

Constructed from high-grade alloy steel with advanced heat treatment processes, the 477277-301 Bearing-Roller offers superior resistance to wear, corrosion, and fatigue. Its precision-machined surfaces minimize friction and heat generation, contributing to improved mechanical efficiency and extended service life. Ideal for excavator applications where reliability and performance are critical, this bearing-roller supports heavy load transmission and shock absorption, ensuring consistent operation under variable terrain and load stresses. Trust this genuine Caterpillar part to maintain your equipment’s productivity and longevity.

🔗 For detailed specifications and to purchase the Caterpillar 477277-301 Bearing-Roller, visit the official product page at Caterpillar 477277-301 Bearing-Roller on AllParts Expert.