JB/T 6790-1993
Slotted jewel bearings for instrumentation (English Version)
- Standard No.
- JB/T 6790-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Machinery
- Status
- 2010-07
- Replace By
- JB/T 6790-2010
- Latest
- JB/T 6790-2010
- Scope
- This standard specifies the classification, technical requirements, test methods, inspection rules, marking and packaging of grooved gemstone bearings for instrumentation. This standard applies to grooved gemstone bearings for spherical support in the movable series of instruments.
JB/T 6790-1993 history
- 2010 JB/T 6790-2010 Recessed jewel for instrumentation
- 1993 JB/T 6790-1993 Slotted jewel bearings for instrumentation
