... , ABEC3, ABEC5, 1) Materal used: GCr15—China.(AISI)52100—American,(Din)100Cr6—Germany.2) Shield/closure: open bearing, Z, ZZ, RS ... conditioner, Microwave Oven, Rangehood, sewing machine, massage chairs, Textile machinery, Electric tools, Agriculture machinery, fitness equipment, etc.6) Brand: “CNR” we ...