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.
4219328 bearings are used in the Excavator Final drive system of Hitachi ：
4219328 BRG.;ROL. Hitachi parts EX700, EX750-5, EX800H-5, ZR900TS, ZX1000K-3, ZX800, ZX850-3, ZX850-3F, ZX850H, ZX850LC-3-DH, ZX870-5G, ZX870H-3, ZX870H-3-HCMC, ZX870H-3F, ZX870H-5G, ZX870LC-5B, ZX870LC-5G, ZX870LCH-5G, ZX870LCR-5G
6304-2RS (I.D.=20mm, O.D.=52mm, Thickness=15mm); 6304-2RS bearing are shielded on BOTH SIDES to keep lubricant in; Chromium Steel long-life bearings, smooth and low noise.
KOMATSU 203-26-61320 Excavator Slewing Gearbox Bearing PC120-6 PC128
203-26-61320 bearings are used in the reduction gearbox system of heavy machinery equipment：PC120-6 PC128.
6202-2RS (15x35x11mm) is a single-row bearing that supports radial loads, made with Chromium Steel providing superior quality and durability. It comes pre-lubricated and shielded to keep the lubricant in and contaminants, dirt and debris out.
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
XKAH-00015 bearings are used in the Hyundai's final drive crankshaft .heavy machinery equipment：
XKAH-00015 HYUNDAI BEARING parts
Apply to R140LC-7, R210LC7, R210NLC7
06032-01021bearings are used in the Cylindrical Roller Gearbox Bearing system of KOMATSU heavy machinery equipment：
06032-01021 BEARING KOMATSU parts D155A, D155S, D155W, D355A, D355C, D455A, HD320, WS23S
