... good quality. Needle Roller Bearing Materials: GCr15 Vibration Level: V1, V2, V3 Typical applications: Electric motors, OEM1)Drawn cup needle roller ... ); 5. Noise Level: Z1, Z2, Z3; 6. Vibration Level: V1, V2, V3; 7. Packing: Bulk single color box/ tube/carton/pallet ...