Description

The Cummins Connecting Rod Bearing RB-3802072 (Standard Size) is an OEM-spec bearing shell engineered 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 factory-correct fitment and reliable bottom-end performance. Rod bearings operate under extreme load, high rotational speed, and constant oil film stress. The RB-3802072 rod bearing is manufactured from premium bearing alloys with advanced overlay technology to provide excellent load-carrying capacity, fatigue resistance, and protection against metal-to-metal contact during cold starts and high-load operation. Precision shell geometry ensures proper bearing crush and even load distribution across the crankshaft journal. This helps maintain stable oil film thickness, reduce journal wear, and extend overall engine service life. The STD size configuration is intended for crankshafts that remain within factory journal specifications and have not been reground. This 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 durability and consistency. Cross-Reference & Fitment Aftermarket Reference: RB-3802072 OEM Reference: 3802072 Size: Standard (STD) Application: Connecting rod bearing Engine Type: Cummins diesel engines (verify engine model before ordering)