Description

The Cummins Rod Bearing RB-3802070 (standard size) is a precision-engineered connecting rod bearing designed to maintain correct oil clearance, reduce friction, and protect crankshaft journals in Cummins diesel engines . This bearing is a direct replacement for Cummins OE part number 3802072 , ensuring OEM-correct fitment and dependable bottom-end performance. Rod bearings play a critical role in handling extreme combustion loads and high rotational speeds. The RB-3802070 bearing is manufactured using high-quality bearing alloys with advanced overlay technology to provide excellent load-carrying capacity, resistance to fatigue, and protection against metal-to-metal contact. Precision shell geometry ensures even load distribution and stable oil film retention, helping reduce wear on crankshaft journals and extend engine service life. This bearing is intended for STD crankshaft journals that remain within factory specifications. The Cummins RB-3802070 rod bearing is commonly installed during engine rebuilds, bottom-end overhauls, connecting rod service, and professional remanufacturing projects . It is trusted by diesel technicians, fleet maintenance teams, and engine builders who require OEM-level reliability. Cross-Reference Aftermarket Reference: RB-3802070 OEM Reference: 3802072 Size: Standard (STD) Application: Connecting rod bearing