... Ltd. Product namedeep groove ball bearingSeriesSF3607MaterialBearing steel GCr15 and Stainless steelCagestainless steel, brass, nylon PrecisionP0,P6,P5 ... , C4, C5QualityISO9001:2000 StandardBore size180mmOuter diameter225mmThickness21mmSeal typeOpen and Seal,Z,RZ,RS,2RS,2RZ,NBall row numberSingle ... supply our own brand "ZATXC" with high quality and competitive price. 2)Deep Groove Ball Bearing / Taper ...