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.
206-26-71240 bearings are used in the Excavato rSlewing gearbox system of KOMATSU：
206-26-71240 BEARING KOMATSU parts：PC220-7, PC230-7-CG, PC240LC-7K, PC270-7, PC290NLC-7K
4200411bearings 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
