Cookies on the SKF website

SKF uses cookies on our websites to align the information shown as closely as possible to our visitors’ preferences, such as country and language choices.

Will you accept SKF cookies?

Designation system for spacing washers

Examples and the applicable options for spacing washers for FNL housings are given below.

Basic bearing designation system


ZW 42 x 52
whereZW =
42 x 52 =

Applicable options

Test Designation 1
Spacing washers for SKF bearing housings

Test Designation 2
Size identification
...Bore and outside diameter of the spacing washer [mm]
SKF logo