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.
70 mm Bore, 160 mm OD, 68.3 mm Width,GW315PPB11 bearing are with round bore ,and the material are with Chrome steel ,we can provide sample for you to test before order .
Angular contact bearing SF4831PX1(240*310*33.4) is used in excavator travel gearbox.
ZHZB Excavator Bearing Factory Supplier Provides High Quality SF4831PX1
Angular contact bearing BA290-3WSA(290*380*40) is used in excavator travel gearbox.
ZHZB Excavator Bearing Factory Supplier Provides High Quality BA290-3WSA
stabilizing treatment allowing the bearings to work with
temperatures up to 150° C, without dimensional
change and distortion;
radial clearance is
generally executed in C3 or C4;
stock available;
Material:AISI 52100 bearing steel,,ball surface polished.with or without hard chrome plating are optional.
Heat treatment: HRC 58-64
Stainless steel 440c are optional.
Can custom made per customer's request.
