... many years.Our mainproducts include mute motor bearings,automotive bearings,motorcycle bearing,agricultural machinery bearings,texile machinery bearings and many other ... ,ZV2,ZV3,Z1V1,Z2V2,Z3V35)Precision level:ABEC-1,ABEC-3,ABEC-5.6)Used in:Motorcycle,motor,pump,fan,air conditioner ...