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.
708-1W-42110 bearings are used in the Excavator Hydraulic pump system of KOMATSU：
708-1W-42110 BEARING KOMATSU Hydraulic pump parts fit：PC650-8EO, PC600-8EO, PC700-8EO, PC800-8EO.
198-5018 bearings are used in the reduction gearbox system of Caterpillar heavy machinery equipment：
1985018 BEARING Caterpillar parts fit:304.5, 305CR, 304CR, 305.5, 306
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.
163-1656 163-1657 bearings are used in the reduction gearbox system of Caterpillar heavy machinery equipment：
1631656 1631657 SPECIAL TAPERED Caterpillar parts fit: 374F L , 365B L , 345B , 365C L , 374D L, 374F L.
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
