8N-7766 Caterpillar Main Bearing, .050, – Part No. 8N-7766| D379, G379

The Caterpillar Main Bearing 8N-7766 is a .050 undersize main bearing designed for Caterpillar D379 and G379 diesel engines. This bearing is engineered to restore proper clearance between the crankshaft and main bearing cap when wear has occurred. Manufactured from high-quality alloy steel, the 8N-7766 bearing offers superior durability and high load-bearing capacity, making it suitable for the harsh operating conditions of heavy-duty industrial, agricultural, and construction applications. It helps reduce friction, minimize wear, and ensure reliable engine performance over time.