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UDC 621.822.87
IS0
FO R STA N DA R DI ZAT I O N
O RG AN IZATl ON
I NT ERN AT1 ON A L
ADDENDUM 1
TO
IS0
R E C O M M E N D AT I O N
R 355
PART V
ROLLING BEARINGS
TAPERED ROLLER BEARINGS
BO UND ARY DI ME NSl ONS
SU B-U N ITS
METRIC SERIES
1st EDITION
February 1973
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
in any country, may be authorized therefore only
documents,
by the national standards organization of that country, being
a member of ISO.
For each individiial country the only valid standard is the national standard of that country.
Printed in SwitLerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.
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FOREWORD
IS0 (the international Organization for Standardization) is a worldwide federation
of national standards institutes (IS0 Member Bodies). The work of developing
International Standards is carried out through IS0 Technical Committees. Every
Member Body interested in a subject for which a Technical Committee has been set
up has the right to be represented on that Committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the Technical Committees are circulated
to the Member Bodies for approval before their acceptance as International
Standards by the IS0 Council.
Addendum 1 to IS0 Recommendation R 355/V (originally Draft International
Standard ISO/DlS 3279) was drawn up by Technical Committee ISO/TC 4, Rolling
bearings.
It was approved in October 1971 by the Member Bodies of the following
countries :
Australia Hungary South Africa, Rep. of
Austria India Spain
Belgium Ireland Sweden
Italy Switzerland
Canada
Czechoslovakia Japan Thailand
Egypt, Arab Rep. of Korea, Rep. of Turkey
France Netherlands United Kingdom
Germany Romania
The Member Body of the following country expressed disapproval of the document
on technical grounds :
U.S.A.
O International Organization for Standardization, 1973 O
Printed
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