... such as:Gearbox, instruments and meters, electric motor, electric appliance, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, and ... -3, ABEC-5, ABEC-7,ABEC-94,Vibration level codes: V4, V3, V2, V15,Internal clearance codes: C0,C2, C3, C4, C56 ...