Roller bearings are used in all main shaft and auxiliary drive shaft applications to support pure radial load, and allow for axial shaft elongation due to temperature changes with no additional load effect on the bearing.
Angular contact bearing BA260-3A(260*340*38) is used in excavator travel gearbox.
ZHZB Excavator Bearing Factory Supplier Provides High Quality BA260-3A
Tapered Roller Bearings LL540049/10(196.85*254*28.575) is used in excavator travel gearbox.
ZHZB Excavator Bearing Factory Supplier Provides High Quality LL540049/10