8N-7923-040 Caterpillar Main Bearing, .040, – Part No. 8N-7923-040 | Tractors D7E

The Caterpillar Main Bearing 8N-7923-040 is a .040 undersize main bearing specifically designed for Caterpillar D7E tractors. This bearing ensures proper crankshaft clearance when engine wear occurs, promoting smooth operation and reducing friction. Built from high-quality alloy steel, the 8N-7923-040 offers exceptional durability and high load-bearing capacity, making it ideal for industrial, agricultural, and construction applications. It helps extend engine life by preventing excessive wear and ensuring consistent performance under heavy-duty conditions.