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BSI BS ISO 13778:2017

Plain bearings. Quality assurance of thin-walled half bearings. Selective assembly of bearings to achieve a narrow clearance range
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BSI BS ISO 13778:2017

Plain bearings. Quality assurance of thin-walled half bearings. Selective assembly of bearings to achieve a narrow clearance range

PUBLISH DATE 2017
PAGES 14
BSI BS ISO 13778:2017

This document 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.

SDO BSI: British Standards Institution
Document Number ISO 13778
Publication Date April 25, 2017
Language en - English
Page Count
Revision Level
Supercedes
Committee MCE/12
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