SKF spacing washers
The ZW spacing washers are made of phosphated sheet steel and are coated with a preservative. The thickness of the sheet steel is 0,6 mm for washers up to and including ZW 35 × 42 and 0,8 mm for the larger sizes.
The width of the spacing washer set is 2 ± 0,1 mm. The outside diameter has minus tolerances and the bore plus tolerances.
The spacing washers are designated ZW d1 × d2, e.g. ZW 35 × 42 has a bore diameter of 35 mm and an outside diameter of 42 mm.