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.
1.109-00033 bearings are used in the final drive bearing system of Doosan Heavy Machinery Equipment:
1.109-00033 BEARING;ANGULAR BALL Doosan parts：DX140LC，DX140LC-3 / DX160LC-3，DX160LC，DX180LC-3，DX180LC-5
4192639 bearings are used in the Excavator Final drive system of Hitachi ：
4192639 BRG.;ROL. Hitachi parts EX60-2, EX60-3, EX60LCK-3, EX60LCT-3, EX60T-2, EX90
