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.
4200411 bearings are used in the Excavator Final drive system of Hitachi ：
4200411 BRG.;ROL. Hitachi parts 218HSL, CX400, CX500, CX500DR, CX500S, CX550, EX300-5, EX300LC-5M, EX300LCLL-5, EX300LCLL-5M, EX345USR(LC), EX350H-5, EX350K-5, EX370-5M, EX370HD-5, EX370LL-5M, EX385USR, EX400, EX400-3, EX450MT-5
136-2823 bearings are used in the reduction gearbox system of Caterpillar heavy machinery equipment：
1362823 BEARING Caterpillar parts fit:312B, 315B,315D
206-26-71240 bearings are used in the Excavator Slewing gearbox system of KOMATSU：
206-26-71240 BEARING KOMATSU parts：PC220-7, PC230-7-CG, PC240LC-7K, PC270-7, PC290NLC-7K
UCST Standard duty,Wider inner ring bearing,Wider slot housing,Setscrew locking,Cast gray iron housing .
Cast DUCTILE iron housing available upon request.
208-27-71210 bearings are used in the Excavator Final drive system of KOMATSU：
208-27-71210 BEARING KOMATSU parts PC400LC-8, PC450-8, PC550LC-8, PC490-10,PC400-7，PC270LL-7L，PC300-7, PC300HD-8，PC350HD-8, PC390LC-10，PC450LC-7,PC490LC-10
