cylindrical roller bearing : 1.material :bearing steel 2.certification: iso9001-2008 3.delivery time :7days ... roller bearingBrandFAG, IKO, INA, KOYO, NSK, SKF, TIMKENSeriesNU1004 series, NN3005MaterialGCr15The material of cageSteeelPrecisionP0,P6,P5ClearanceC2,C0,C3,C4HardnessHRC60-HRC64Payment terms1. 30 ... ,Shandong province, China 2012 ! full complement and high precision bearing types