64GB350P30
Main Engine Bearing
Mack

This main bearing is a fundamental component supporting the engine’s crankshaft, ensuring smooth rotation and load distribution. Its high-quality materials and precise manufacturing provide excellent wear resistance and thermal stability, which are critical for engine longevity. Proper installation and maintenance of this bearing help prevent catastrophic engine failures, reduce friction, and improve overall performance. It plays a vital role in maintaining engine efficiency and reliability, especially under heavy-duty conditions. Source One Parts Center supplies this main bearing to assist with engine rebuilds and repairs, helping your vehicle operate at peak performance for extended service life.