BS ISO 2795-2020 Plain bearings一Sintered bushes一 Dimensions and tolerances.
This document specifies the dimensions and tolerances applicable to sintered bearings for the following ranges of inside diameters:
一cylindrical bearings: 1 mm to 60 mm;
一flanged bearings: 1 mm to 60 mm;
一spherical bearings: 1 mm to 20 mm.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 5755, Sintered metal materials一Specifications
3 Terms and definitions
No terms and definitions are listed in this document.
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4 Material
Materials used for manufacturing sintered bearings shall conform to ISO 5755.
5 Cylindrical bearings
5.1 Dimensions
Dimensions for cylindrical bearings are shown in Figure 1, Table 1 and Table 2.
5.2 Tolerances
The tolerances for the bearings after fitting and the tolerances for the housing and insertion pin are given below. In addition, the tolerances for the inside and outside  iameters of the bearings before fitting are given.
Since the actual tolerances and combinations of tolerances in the as-delivered state depend upon the characteristics of the materials and the manufacturing methods, they should be discussed with the manufacturer.BS ISO 2795 pdf download.