4219329 bearings are used in the Excavator Final drive system of Hitachi ： 4219329 BRG.;ROL. Hitachi parts EX700, EX750-5, EX800H-5, ZR900TS, ZX1000K-3, ZX800, ZX850-3, ZX850-3F, ZX850H, ZX850LC-3-DH, ZX870-5G, ZX870H-3, ZX870H-3-HCMC, ZX870H-3F, ZX870H-5G, ZX870LC-5B, ZX870LC-5G, ZX870LCH-5G, ZX870LCR-5G

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

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