CATERPILLAR 440-5055 Cup-Bearing 4405055

CATERPILLAR 440-5055 Cup-Bearing – OEM-Grade Durability for Articulated Dump Trucks and Challengers

The CATERPILLAR 440-5055 Cup-Bearing (part number 4405055) is engineered to meet the rigorous demands of heavy-duty applications in articulated dump trucks and Challenger series vehicles. Compatible with models including the 4PS-D250E II, 5KS-D300E II, 2XW-D350E II, 8PS-D400E II, APF-D400E II articulated dump trucks, as well as Challenger models 018-MT700, 812-MTC735, 813-MTC745, 814-MTC755, and 815-MTC765, this cup-bearing is designed to ensure optimal drivetrain performance under extreme load conditions. Manufactured with precision metallurgy, it offers superior resistance to wear and fatigue, maintaining structural integrity across high-torque operations and harsh mining environments.

Featuring robust construction with high-grade steel alloys and precision-machined surfaces, the 440-5055 cup-bearing provides excellent load distribution and reduced friction within the drivetrain assembly. This results in enhanced operational efficiency, extended service intervals, and minimized downtime. Its OEM-grade quality guarantees seamless fitment and reliable performance, making it an indispensable component for maintaining the longevity and productivity of Caterpillar heavy equipment. Ideal for professionals seeking durable, high-performance spare parts, this cup-bearing supports the demanding mechanical stresses typical of articulated dump trucks and crawler tractors.

🔗 For detailed specifications and to purchase the genuine CATERPILLAR 440-5055 Cup-Bearing, visit AllParts Expert – Caterpillar 440-5055 Cup Bearing.