1.Material:GCR15 Chrome Steel 2.Good Quality 3.ISDO9001:2008 4.Turn More Agile UCP206 Pillow Block Ball BearingDimensionBore Size: ... Gcr15(Chrome steel)--China,(AISI)52100---American ,(Din) 100Cr6---Germany 2.Precision level:ABEC-1,ABEC-3, P0/ P6 3.Fields ... equipment 4.Certificates: ISO 9001,20085. Brand: usual manufacture ourslef brand TOWE ,we can as your requirement to manufacture it. Good Quality ...