ISO 104:2015 specifies preferred boundary dimensions for single-direction and double-direction thrust bearings with flat back faces.
In addition, it gives the minimum bore diameters of housing washers and maximum outside diameters of shaft washers of bearings in dimension series 11, 12, 13, 14, 22, 23 and 24.
Guidelines for the extension of this International Standard for single-direction thrust bearings are given in Annex A.
NOTE Boundary dimensions for aligning thrust bearings (none flat back faces) and aligning seat washers are given in ISO 20516.[2]
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