King Engine Bearings MB5549CP020 Main Bearing Set Undersize - 0.020

The King Engine Bearings MB5549CP020 is a precision-engineered main bearing set ground to a 0.020" undersize specification, designed for use with reground or undersized crankshafts. King Engine Bearings is a globally recognized manufacturer of high-performance and OEM-quality engine bearings, trusted by professional engine builders and OEM suppliers worldwide.

The "CP" designation indicates King's advanced bimetal or tri-metal bearing construction, engineered to deliver superior load capacity, conformability, and wear resistance. The 0.020" undersize allows proper fitment after crankshaft journals have been machined to restore a true, round surface.

Key Features:

• 0.020" (0.50mm) undersize for use with reground crankshaft journals
• Precision-manufactured to strict dimensional tolerances for reliable oil film retention
• High-quality bearing alloy construction for durability under load
• Consistent wall thickness for proper crush and oil clearance
• Meets or exceeds OEM specifications
• Manufactured by King Engine Bearings, a leading global bearing supplier

These main bearings are a critical component in any engine rebuild or crankshaft regrind service. Proper bearing selection and installation ensures correct oil clearance, long engine life, and reliable performance. Always verify crankshaft journal measurements and consult a machinist to confirm the correct undersize bearing required before installation.