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.
207-27-61310 bearings are used in the Excavator Final drive system of KOMATSU：
207-27-61310 BEARING KOMATSU parts PC250, PC250HD-6Z, PC300, PC300SC,PC300-5，PC300-6， PC310, PC340-6K，PC340, PC350，PC350-6
window and door roller with material iron and the surface are with zinc plating ,we can provide free sample for test before order ,and customized design welcome .
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
417-22-11850 bearings are used in the Loader Gearbox Bearing system of Caterpillar heavy machinery equipment：
417-22-11850 BEARING KOMATSU parts: HM300TN-1,WA100-3A,WA120-3,WA100-1,WA200-1,WA180-3,WA150-5,WA250-3,
