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DIFF Subgroup
F04D 29/056

Bearings

Introduced: January 2006

Full Title

Full titles differ between systems:

IPC:

Details, component parts, or accessories > Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps > Bearings

CPC:

Details, component parts, or accessories (machine elements in general F16) > Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps > Bearings

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 2006.

Child Classifications

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  • F04D 29/0563 CPC only CPC only
  • F04D 29/0566 CPC only CPC only
  • F04D 29/057 hydrostatic; hydrodynamic since 2006 IPC+CPC Available in IPC and CPC
  • F04D 29/058 magnetic; electromagnetic since 2006 IPC+CPC Available in IPC and CPC
  • F04D 29/059 Roller bearings since 2006 IPC+CPC Available in IPC and CPC