Importance

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Abstract

A rolling bearing device includes a rolling bearing, partially submerged in lubricating oil stored in an oil pocket provided in a vertically lower portion of a housing to a level corresponding to a part of an annular space, an annular shielding member, and an annular seal component. The shielding member has an oil drain portion for drainage of the lubricating oil in the annular space to the outside of the rolling bearing at a vertical level above an oil level of the lubricating oil stored in the oil pocket when the rotary shaft is stationary The oil drain portion has an inclined groove having an inclined surface inclined away from the rolling bearing and an opening provided in an outer end portion at a distal end of the inclined surface. The inclined groove is tapered toward a vertical top of the shielding member when viewed in the axial direction.

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First Claim