... bearing / ball bearingBrand nameNACHISeries 6205MaterialBearing steel GCr15 and Stainless steel,AISI 304 steelKeeperstainless steel, PTFE, nylonPrecisionP0-P6QualityISO9001:2000 StandardID 25mmOD 52mmThickness 15mmSeal ... . stainless/bearing steel deep groove ball bearingWelcome to your enquiry!AISI 304 steel bearing NACHI deep groove ball bearing