JB/T 6640-2007Rolling bearings - Insert ball bearings with housings - Designation method (English PDF)
滚动轴承 带座外球面球轴承 代号方法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
January 1, 2007
Implementation date
September 1, 2007
Scope
JB/T 6640-2007 is the English-translated version of 滚动轴承 带座外球面球轴承 代号方法.
JB/T 6640-2007 is a recommended standard of the Chinese machinery industry that lays down the designation method for insert ball bearings and for the housed bearing units built around them. It explains how the identification code of such a bearing unit is composed, including the supplementary letters that mark the variants. The rules are written for bearings of general purpose use. GB/T 272-1993, GB/T 7810-1995, JB/T 2974-2004, JB/T 5303-2002 and JB/T 5304-2007 are cited in it. The standard takes the place of JB/T 6640-1993. Issued on 1 January 2007, it has applied since 1 September 2007.
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Document preview — JB/T 6640-2007
National Standard of the People's Republic of China
- ICS
- 21.100.20
- Replacing
- JB/T 6640-1993
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
JB/T 6640-2007 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 272-1993
GB/T 7810-1995
JB/T 2974-2004
JB/T 5303-2002
JB/T 5304-2007
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 272-1993Rolling bearings - Identification code
- GB/T 7810-1995Rolling bearings—Insert bearing units—Boundary dimensions
- JB/T 2974-2004Supplementary rules for rolling bearing identification codes
- JB/T 5303-2002Rolling bearings - Supplementary designs of insert bearing units - Boundary dimensions
- JB/T 5304-2007Rolling bearings - Insert bearings - Radial internal clearance
Similar standards
Editions of JB/T 6640
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 6640-2007 | Rolling bearings - Insert ball bearings with housings - Designation method | current edition | Current |
| JB/T 6640-1993 | Rolling bearings - Insert ball bearings with housings - Designation method | previous edition | Superseded |
This page sells the current edition, JB/T 6640-2007. Earlier editions are listed for reference only.
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Related Standards
JB/T 2974-2004 — Supplementary rules for rolling bearing identification codes
JB/T 5303-2002 — Insert bearing units - Supplementary structure - Boundary dimensions
JB/T 5304-2007 — Rolling bearings - Insert bearings - Radial internal clearance
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JB/T 6640-2007
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