CATERPILLAR 186-5318 Roller & Bearing AS 1865318

CATERPILLAR 186-5318 Roller & Bearing Assembly – OEM-Grade Durability for D11 Series Track-Type Tractors

The Caterpillar 186-5318 Roller & Bearing Assembly is engineered to meet the rigorous demands of heavy-duty track-type tractors including models D11R-7PZ, D11R-9TR, D11R-AAF, D11T-AMA, D11T-GEB, D11T-JEL, D11T-JNS, D11T-MDG, D11T-TPB, D11-KSN, D11-TKN, D11R-8ZR, and D11R-9XR. Manufactured with precision metallurgy, this roller and bearing assembly ensures optimal load distribution and resistance to wear under extreme operational conditions. Its robust design supports the drivetrain’s smooth rotation, enhancing the tractor’s overall performance and longevity in mining and heavy construction environments.

Constructed from high-grade alloy steel with hardened surfaces, the 186-5318 assembly provides superior resistance to abrasion, impact, and deformation. The bearing’s internal geometry is optimized for high radial and axial load capacities, ensuring reliable operation even in severe load conditions. This assembly is critical for maintaining track tension and alignment, reducing downtime, and minimizing maintenance costs. OEM-quality standards guarantee compatibility and seamless integration with Caterpillar’s D11 series, preserving machine integrity and resale value.

🔗 For detailed specifications and to purchase the Caterpillar 186-5318 Roller & Bearing Assembly, visit AllParts Expert – Caterpillar 186-5318 Roller & Bearing AS.

Related Part Numbers: 155-9021, 6I-9714, 6I-9716, 6T-9375, 6I-9716, 1501312, 1846306, 2459952