• BLK1616-3.6ZZ | BLK16163.6ZZ• Inner dimension: 16, Outer dimension: 53, Width: 38, Weight: 0,21, Material: Steel, Seal: Brush wipers, Flange type: Double-chamfered, Preload: Without preload, Article type: Nut for a rolled shaf, Tolerance class: Tolerance class P5 / ABEC 5