A rolling bearing unit includes: an inner ring member having a recess on a first side in an axial direction along a rotation axis, the recess being recessed toward a second side in the axial direction; an outer ring member disposed on an outer peripheral side of the inner ring member; a rolling body rollably provided between the inner ring member and the outer ring member and rotatably supporting the inner ring member relative to the outer ring member; a non-contact transmitter using electric field coupling that is capable of transmitting at least one of an electric power or a signal and includes a stationary-side transmission part including a stationary-side electrode and a rotary-side transmission part including a rotary-side electrode disposed to face the stationary-side electrode at an axial distance therefrom, wherein at least the stationary-side transmission part is housed inside the recess; and a covering member that is supported by the first side of the outer ring member in the axial direction, covers the first side of the inner ring member in the axial direction, and fixes the stationary-side transmission part to the first side in the axial direction.
ROLLING BEARING UNIT
KUGELLAGEREINHEIT
UNITÉ DE PALIER À ROULEMENT
2024-05-01
Patent
Electronic Resource
English