Surface Roughness : Ra 0.2 Torque Capacity : 15x24x5mm Structure : deep groove Model Number : F6802ZZ Material : Chrome Steel GCr15 Bearing Material : Chrome Steel GCr15 Ball Material : Chrome Steel GCr15 Bearing Model : F6802ZZ Bearing Sizes : 15x24x5mm Bearing Type : Flange Bearing Bearing Grade : ABEC-7 Welcome to Lingfeng Store