... Stainless steelKeeperstainless steel, PTFE, nylonPrecisionP0-P6QualityISO9001:2000 StandardID 5-100MMOD 6-240mmThickness 1-200mmSeal typeOpen and Seal,Z,RZ,RS,2RS ... ,2RZ,NBall row numberSingle row and double rowFeaturesbear axial and radial loads. It’s ...