DIFF Subgroup
F16C 19/54 Systems consisting of a plurality of bearings with rolling friction (spindle bearings F16C35/08)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Systems consisting of a plurality of bearings with rolling friction
CPC: Systems consisting of a plurality of bearings with rolling friction (spindle bearings F16C35/08)
Full Title
Full titles differ between systems:
IPC:
Bearings with rolling contact, for exclusively rotary movement > Systems consisting of a plurality of bearings with rolling friction
CPC:
Bearings with rolling contact, for exclusively rotary movement (adjustable bearings F16C23/00, F16C25/00 ) > Systems consisting of a plurality of bearings with rolling friction (spindle bearings F16C35/08)
CPC subdivides this area 3x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
Child Classifications
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- F16C 19/55 with intermediate floating rings rotating at reduced speed IPC+CPC Available in IPC and CPC
- F16C 19/56 in which the rolling bodies of one bearing differ in diameter from those of another IPC+CPC Available in IPC and CPC