nsk self aligning ball bearing 1316 1.Size:12,22,13,23,14series,etc. 2.reference ... :US$0.55-100 3.ISO:9001:2000&SGS nsk self aligning ball bearing 13161. Types: 60series, 12series, 22series, 13series, 23series, etc.2. Material ... .502216EKTN980140336525.52.002318M9019064153578.451224KM12021542119536.75130361802807495.64016139442203006060.530.511.00 nsk self aligning ball bearing 1316