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.
inner diameter M4 mm Outer diameter 28.5 mm Width 8mm 688 2RS V groove bearing wheel ,are produce with Chrome steel Gcr15 and POM coated material ,we can provide with sample for you .
Angular contact bearing 280BA40GS(280*400*47) is used in excavator travel gearbox.
ZHZB Excavator Bearing Factory Supplier Provides High Quality 280BA40GS
four-row cylindrical roller bearings for
steel industry
working under the toughest working
environment
able to work under high temperature,
water, particles
one-stop rolling mill solution to reduce
rolling mill’s cost
OEM service
