Principais Rolamentos de Espinhas

Main bearing sleeves come in two half-moon sections, one that sits inside the main bearing cap and one that sits in the engine block. The crankshaft journal spins within the two. The main bearings have oil holes that lubricate the journal. Main bearings can wear with normal age, or become pitted and galled with insufficient lubrication.

Main bearings have one of the toughest, dirtiest jobs in your engine. A good-quality main bearing must withstand extreme heat, friction, and high-rpm stress to keep your engine operating at its best. top-quality main bearings are all we offer.