N1012 Cylindrical Roller Bearing 1.Best quality 2. low noise, long life 3.Compertitive price Supply you NSK N1012 High Precision & High Quality Cylindrical Roller Bearing Cylindrical Roller Bearing N1012 Series N,NU,NJ,NN,NF,NUP,NNU series, etc. Ring Material GCr15 GCr15SiMn Cage Material Brass, Steel ID Size 10mm-1600mm Quality standard ISO 9001:2000 standard Precision P0 P6 P5Tolerance grade GB ...