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

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

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

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