2R-0524 2R-0525 bearings are used in the reduction gearbox system of Caterpillar heavy machinery equipment：
2R0524 2R0425 BEARING Caterpillar parts fit: 345C L , 345C , 349E L , 350 & 350 L , 345B, 345D ,349E, 349D, 349D2,349F, 349D2, 352F.
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
163-1656 163-1657 bearings are used in the reduction gearbox system of Caterpillar heavy machinery equipment：
1631656 1631657 SPECIAL TAPERED Caterpillar parts fit: 374F L , 365B L , 345B , 365C L , 374D L, 374F L.
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
4219328 bearings are used in the Excavator Final drive system of Hitachi ：
4219328 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
207-27-71330 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
