25090791
Main Shaft Bearing
Mack

This main shaft bearing is a vital component within the transmission system, supporting the main shaft and enabling smooth rotation under heavy loads. Its precision engineering ensures minimal friction, reducing wear and extending the lifespan of transmission parts. Proper lubrication and maintenance of this bearing are crucial for preventing costly failures and maintaining optimal gear engagement. The high-quality materials used in its construction resist deformation and corrosion, ensuring reliable operation over time. Installing this bearing correctly is essential for maintaining transmission integrity and vehicle performance. Source One Parts Center provides this durable bearing, designed for heavy-duty applications on Mack trucks.