... result in smearing. The higher the weight of balls and cage, the higher this tendency becomes,especially for large bearings. If ... result in smearing.The higher the weight of balls and cage,the higher this tendency becomes,especially for large bearings.If ... ,ABEC-5, ABEC-72)Vibration Level : V4,V3,V2,V13)Cage: Brass,Nylon4)Hardness : 59-63 HRCApplication:Auto,tractor,machine tool ...