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.
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
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
FR188ZZ Flanged Shielded Ball Bearings, the inner diameter is 1/4", outer diameter is 1/2" and the width is 3/16", this is a popular size that could be used in many applications, Bearings are made of Chrome Steel, each bearing has 2 Metal Sheild to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are packed 10 bearings in one plastic tube.
6304ZZ (I.D.=20mm, O.D.=52mm, Thickness=15mm); 6304ZZ bearing are shielded on BOTH SIDES to keep lubricant in; Chromium Steel long-life bearings, smooth and low noise.
4148014 bearings are used in the Excavator Final drive system of Hitachi ：
4148014 BRG.;ROL. Hitachi parts EX60, EX60G, EX60SR, EX60UR, EX75UR, EX75UR-3
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
The design of the UCPA series ball Bearing unit also has a certain degree of self-aligning, easy to install, with double structure sealing device, which can work in harsh environment. UCPA bearing block is generally cast. Other common types of bearing housing are UCP, UCF, UCFS, UCFC, UCFL, UCT etc.
