1372818 Sleeve Bearing Fits Caterpillar Excavator 330B L 330B LN 330BOne New Aftermarket Replacement Sleeve Bearing Fits Caterpillar (Fits CAT) 330B Series Excavators This sleeve bearing (bushing) is a precision fit replacement Fits Caterpillar Excavator linkage and pivot assemblies on the 330B series. Sleeve bearings of this type provide critical load support and wear resistance at pin bore joints throughout the excavator's boom, stick, and attachment linkage systems. Specifications Inside Diameter (approx.): 100 mm