Crankshaft Main Bearing Set for Smooth Engine Rotation ️

This main bearing set sits between the crankshaft journals and the engine block, creating a precise low-friction surface so the crankshaft can spin freely under heavy load. It is needed whenever bearings show wear, after an oil starvation event, during an engine rebuild, or when crankshaft clearance is out of spec.

How It Works ⚙️

Each bearing shell is made with layered metal that supports high pressure while holding a thin oil film. That oil film is the real “cushion” that prevents metal-to-metal contact, keeps heat under control, and maintains stable oil pressure.

If the Bearing Set Fails

Worn or spun bearings can cause low oil pressure, deep knocking noise, vibration, and contaminated oil with metal flakes. If ignored, the crankshaft journals can score, overheat, or seize, often leading to full engine failure and costly machining or replacement.

Compatible Models ✅

• Qx60 Hybrid
• Qx60 Hybird