... 8. Low friction.Applications:Automobile, Motorbike, Electric tools ,Small appliances ,Textile machine, Printing machine, Fitness sports equipment,Medical device, Printer, Automatic teller ... machine, Model airplane etc.Precision rating: ABEC1,ABEC3,ABEC5,ABEC7,ABEC9 ... according to customers' requirment. Rod End Bearing for sewing machine