... mainproducts include mute motor bearings,automotive bearings,motorcycle bearing,agricultural machinery bearings,texile machinery bearings and many other non-standard bearings.our bearings are good quality,low ... level:ABEC-1,ABEC-3,ABEC-5.6)Used in:Motorcycle,motor,pump,fan,air conditioner,microwave oven,sewing machine, ... .If you want to more detials,pls contact me. Motorcycle bearing/Wheel bearing