8N-8227-040 Caterpillar Main Bearing, .040, – Part No. 8N-8227-040| 3306 Engine

The Caterpillar Main Bearing 8N-8227-040 is a .040 undersize main bearing specifically designed for Caterpillar 3306 engines. This bearing ensures proper crankshaft clearance, reducing friction and wear while enhancing engine performance. Constructed from high-quality alloy steel, it offers superior durability, high load-bearing capacity, and resistance to extreme working conditions. Ideal for industrial, construction, and agricultural applications, the 8N-8227-040 helps extend engine life and maintain optimal reliability in heavy-duty operations.