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.
3x8x4 mm 693 bearings are produce with Chrome steel ,we can produce with high precision ,such as ABEC-1,ABEC-3,ABEC-5,ABEC-7 ,and we can provide free sample for test .
39Q6-42120 bearings are used in the final drive Bearing system of HYUNDAI heavy machinery equipment：
39Q6-42120 HYUNDAI BEARING parts
Apply to R250LC9, R250LC9A, R260LC9S, RB220LC9S, RB260LC9S, RD210-7, RD210-7V, RD220-7, RD220LC9
4219329 bearings are used in the Excavator Final drive system of Hitachi ：
4219329 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
