... Bearing Material:chrome steel2. ISO9001:2008 certificate3. BearinSg OEM service4. ZV2 Grade Bearings 5. More than 15 years BearingS supplyOur Deep Groove Ball Bearings:Deep groove ball ... ball bearing, it can support large axial load. The friction coefficient is small, with high speed ... production and quality,ensure our ... 2RS, N,NR,ZN,ZNR 6400 10-100 N,NR HYIB Low Noise Deep Groove Ball Bearing 6313 2RS ...