Inch tapered roller bearing, wheel bearing 1.GB307, DIN620 grade 2.Bulk supply 3.Reliable quality 4.Bearing material: GCr15 Inch tapered roller bearing feature, please check IXIN's pdf catalog for details.1. Bearing Material:GCr15,100Cr6,521002. Cage(Retainer):Brass cage,nylon cage,steel cage3. Production standard:GB307, DIN6204. Quality insurance: Same as samplesFeature of IXIN tapered roller ...