Description Rod Bearing Reference Chart Crankshaft Rod Bearing Journal Diameter (Bearing Inner Diameter) Standard 55.00mm (I.D.) German Quality Standard Quality 1ST Undersize 54.75mm (I.D.) German Quality Standard Quality 2ND Undersize 54.50mm (I.D.) Standard Quality 3RD Undersize 54.25mm (I.D.) Standard Quality 4TH Undersize 54.00mm (I.D.) Standard Quality Camshaft Bearing Reference Chart Standard Size OE German Quality Standard Size Standard Quality Standard Size With HD Double Thrust Standard Quality