207-27-61310 bearings are used in the Excavator Final drive system of KOMATSU: 207-27-61310 BEARING KOMATSU parts PC250, PC250HD-6Z, PC300, PC300SC,PC300-5,PC300-6, PC310, PC340-6K,PC340, PC350,PC350-6
207-27-71330 bearings are used in the Excavator Final drive system of KOMATSU: 207-27-71330 BEARING KOMATSU parts: PC290-8K,PC350-8,PC300-8,PC270-8,PC290LC-10,PC360-7,PC308USLC-3E0,PC270-7,PC340LC-7K,PC350-7E0
2207-27-72220 bearings are used in the Excavator Final drive system of KOMATSU: 207-27-72220 BEARING KOMATSU parts:PC360LC-10,PC300-8M0,PC350-8M0