... precision low noise less vibration long life (2)ISO9001:2000 (3)good service:OEM 4.High precision and ... durability 5.Long life and low noise6.Bearings made ... 1. Quality CertificateISO9001:2000 Genuine brand bearings2. Precision rating:P2,P4,P5,P63. Packing:poly+box ... 9.FeatureLow noise, less vibration, high speed and long life bearing brand: YTYTZ, ZWZ. etc. You ...