... Bearings 1.Brand: BOBO 2.Model: AXK0515 3.Material: Chrome Steel 4.ISO9001:2008 AXK0515 Thrust Needle Roller BearingsType: Thrust Needle Roller ... : ABEC-3; ABEC-5 Vibration: Z2V2; Z3V3 Certificate: ISO9001: 2000 AXK0515 Thrust Needle Roller Bearings