Bearings,as important components in contemporary mechanical equipment,mainly support the mechanical rotating body,which can reduce the friction coefficient during its movement and ensure its rotation accuracy.
4246793 bearings are used in the Excavator Final drive system of Hitachi ：
4246793 BRG.;ROL. Hitachi parts CHR70, CX350DR, CX500, CX500DR, CX500PD, CX550, CX700, CX700 JPN, EX200-2, EX200-3, EX200-3C, EX200-3E, EX200-5, EX200-5 JPN, EX200-5HG, EX200-5HHE, EX200-5LV JAP, EX200-5X JPN, EX200-5Z
KOMATSU 203-26-61320 Excavator Slewing Gearbox Bearing PC120-6 PC128
203-26-61320 bearings are used in the reduction gearbox system of heavy machinery equipment：PC120-6 PC128.
4192975 bearings are used in the Excavator Final drive system of Hitachi ：
4192975 BRG.;ROL. Hitachi parts 218HSL, 270C LC JD, CX350DR, EX200-5Z JPN, EX270, EX270-5, EX280H-5, EX300, EX300-2, EX300-3, EX300-5, EX300-5HHE, EX300LC-5M, EX300LCLL-5, EX300LCLL-5M, EX345USR(LC), EX350H-5, EX350H-5HHE, EX350K-5
170-09-13210 bearings are used in the Bulldozer Bearing system of Komatsu heavy machinery equipment：
170-09-13210 BEARING KOMATSU parts D135A, D150A, D155A, D155C, D155S, D155W
