This standard specifies the boundary dimension of the following thrust ball bearings.
a) 11, 12, 13, 14 series of thrust ball bearings (Type 51000, Figure 1);
b) 22, 23, 24 series of double-direction thrust ball bearings (Type 52000, Figure 2);
c) 12, 13, 14 series of external aligning thrust ball bearings (Type 53000, Figure 3; Type 53000 U, Figure 4);
d) 22, 23, 24 series of double-direction external aligning thrust ball bearings (Type 54000, Figure 5; Type 54000 U, Figure 6).
This standard is applicable to the design and manufacturing as well as the user's selection of above-mentioned thrust ball bearings.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, all editions indicated are valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
