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.
suitable for low- or
medium-speed applications involving heavy or impact loading;
tow rows of barrel-shape
rollers in the inner rings, with outer ring having one spherical raceway;
4321887 bearings are used in the Excavator Final drive system of Hitachi ：
4321887 BRG.;ROL. Hitachi parts CHR70, EX100-2, EX100-3, EX100-3C, EX100-5, EX100-5 JPN, EX100M-5, EX120-2, EX120-3, EX120-3C, EX120-5, EX120-5 JPN, EX120-5HG, EX120-5LV JPN, EX120-5X, EX120-5Z, EX120K-2, EX120K-3, EX120SS-5, EX130H
F686ZZ bearing is a flanged ball bearing made of chrome steel in which the bearing is metal shield from both sides It has an 6mm inner diameter, a 13mm outer diameter, a 5mm thickness, and an 15mm flange.
25Z494D11 bearings are used in the Excavator Slewing Gearbox Bearing system of KOBELCO heavy machinery equipment：
25Z494D11 BEARING Kobelco parts SK200LC K907 K907D K907DLC K907LC MD200BLC MD200C SK150LC SK160LC SK200 ED180 SK210 SK210LC
