... steel retainer, Bakelite retainer, etcQuality standard: ISO9001-2000Low noise, high speed, long life302 series, 303 series. 313 series, 320, ... row tapered bearings: d; 150-950mm D: 270-1250mm Double row tapered bearing: d: 220-1778mm D: 300-2159mm10. ... new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); High quality Double row angular contact ball bearing