Tapered roller bearing Marterial: Gcr15 Seal material: Rubber,Ferrum Noise: Z1,Z2,Z3 Vibration: V1,V2,V3 Tapered roller bearingMarterial: Gcr15Seal material: ... Rubber,FerrumNoise: Z1,Z2,Z3Vibration: V1,V2,V3Clearance: C2,C3,C4Bore diameter 6~60mm<Bearing ... R6, R8, EE3, EE48) Specifc designed bearings for motorcycle Tapered roller bearing 32218