Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 6) (Third Revision) which is identical with ISO 3547-6 : 2020 ‘Plain bearings - Wrapped bushes - Part 6: Checking the inside diameter’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Bearings Sectional Committee and approval of the Production and General Engineering Division Council.

This standard was originally published in 1968 and subsequently revised in 1980 and 2020. First revision was based on ISO 3547 : 1976 ‘Plain, bearing - Wrapped bush - Dimensions, tolerances and methods of checking’. Second revision of this standard was identical with ISO 3547-6 : 2007. The third revision of this standard has been undertaken to align it with the latest version of ISO 3547-6 : 2020.

The major changes in this revision are as follows:

- Normative references (2) are updated;

- Clause 2 has been updated;

- Fig. 1, 2 and 3 have been updated;

- Clause 3 (terms and definitions) has been added;

- Clauses 5 and 6 have been updated; and

- Bibliography has been updated.