... 'S FEATURES:a.ZQZ can produce this kind of bearings with N, NU, NJ, NF, NUP, NN, NNU, FC, FCD structure ... for national patent. The inner diameter are Φ100~Φ950mm.c.Competitive price with good servicePrecisionP0,P6,P5,P4,P2Ring materialGCr15,GCr15SiMn,G20GrNiMoCage ... %T/T againest copy of B/L.2.100%L/C at sight.3.D/P at sightSuperior qualityISO 9001:2000 ...