Caterpillar 4F-6390 Main Bearing - 4F6390
Main BearingCaterpillar Main Bearing (4F-6390 / 4F6390) — OEM and original-spec service components for demolition equipment. Worldwide supply. 1-year warranty included.
Caterpillar 4F-6390 / 4F6390 Main Bearing is an OEM and aftermarket main bearing set for Caterpillar diesel engines in mining equipment and heavy plant machinery. Manufactured to OEM overlay alloy composition and wall thickness for correct crankshaft journal clearance and reliable hydrodynamic lubrication under continuous operation. Ships with a 1-year warranty. Manufactured with materials selected for long-term resistance to stress.
Caterpillar