41MR5986M
Main Crankshaft Bearing
Mack

This bearing supports the crankshaft within the engine, enabling smooth rotation and efficient power transfer. Its high-strength construction and precision engineering reduce friction and wear, contributing to engine longevity and performance. Proper functioning of this bearing is essential for maintaining engine stability, reducing vibrations, and preventing catastrophic failures. Regular inspection and timely replacement are key to ensuring engine reliability under demanding conditions. Source One Parts Center supplies this high-quality main bearing, trusted for durability and precision in heavy-duty engines.