• BLK2020-3.6ZZ | BLK20203.6ZZ• Inner dimension: 20, Outer dimension: 62, Width: 45, Weight: 0,35, 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