Combined needle roller bearing 1.Material:GCr15,100Cr6,52100 2.Retainer:nylon cage,steel cage 3.Production standard:DIN620 Combined needle roller bearing NKX NKXR,roller bearings,please contact IXIN for details.Structure: Various type as needle roller/axial ball,needle roller/angular contact ball,needle roller/cylindrical roller,needle roller/axial rollerAccuracy: Dimension tolerance and ...