Federal Mogul 6620MA10 Crankshaft Main Bearing Set Undersize - 0.010

The Federal Mogul 6620MA10 is a precision-engineered crankshaft main bearing set manufactured to exacting OEM standards. The "10" suffix denotes a 0.010-inch undersize specification, designed for use during engine rebuilds where crankshaft journals have been machined or reground to restore proper tolerances.

Federal Mogul is a globally recognized leader in engine bearing manufacturing, producing bearings under their trusted portfolio for OEM and aftermarket engine applications. These main bearings are engineered to deliver reliable oil film retention, reduced friction, and long service life under demanding operating conditions.

Key Features:

• 0.010" Undersize — engineered for reground crankshaft journals
• Precision-ground bearing surfaces for consistent oil clearance
• Manufactured to OEM dimensional tolerances
• High-quality bimetal or trimetal construction for durability and wear resistance
• Designed for proper crush and seating during installation
• Federal Mogul OE-quality standards for dependable engine rebuild performance

The Federal Mogul 6620MA10 main bearing set is an ideal choice for professional engine rebuilders and experienced DIY mechanics looking for a reliable, specification-matched bearing solution when restoring engine integrity during an overhaul.