NN serires cylindrical roller bearing Suitable for principal axis of machine tool Grade: P2, p4, p5, p6, ISO9001 & IQNET 1. NN serires bearing for principal axis bearing for machine tool2. Grade: P2, p4, p5, p6, p03. We can supply below items : NN3005NN3005K/W33NN3006NN3006K/W33NN3007NN3007K/W33NN3008NN3008K/W33NN3009NN3009K/W33NN3010NN3010K/W33NN3011NN3011K/W33NN3012NN3012K/W33NN3013NN3013K/ ...