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ISO 13778:2017
Plain bearings — Quality assurance of thin-walled half bearings — Selective assembly of bearings to achieve a narrow clearance rangeMore info
ISO 13778:2017 specifies the selective assembly of bearings (in accordance with ISO 3548-1).
The bearing diametral clearance is determined by the housing diameter, journal diameter and the wall thickness of the two half bearings. Typically, these components will have a total tolerance 'stack up' of 50 µm to 60 µm. Current engine development and in particular, the desire for improved engine refinement, has provided a need to decrease the clearance range due to the tolerance 'stack up'. This document suggests various schemes of selective assembly to achieve such ranges.
| Author | ISO/TC 123/SC 5 Quality analysis and assurance |
|---|---|
| Editor | ISO |
| Document type | Standard |
| Format | Paper |
| Edition | 2 |
| ICS | 21.100.10 : Plain bearings |
| Number of pages | 7 |
| Replace | ISO 13778:1999 |
| Weight(kg.) | 0.1119 |
| Year | 2017 |
| Country | Switzerland |