Main Bearing Set (STD) for Nissan Primera P12 / X-Trail 2.0L QR20DE Engines (2000-2007) QR20-QR25

High-precision Main Bearing Set specifically designed for Nissan Primera (P12) and X-Trail (T30) models equipped with 2.0L 16V (QR20DE) series engines. These are Standard (STD) size bearings, engineered to maintain optimal oil clearance and exceptional durability under heavy-load and high-temperature conditions. Manufactured from premium, high-fatigue resistant materials to ensure smooth crankshaft rotation and minimize internal engine wear. Precision-made to meet or exceed OEM specifications, these bearings are essential for restoring the structural reliability and performance of the Nissan QR20 engine during a professional rebuild.