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|1. (WO2017033653) ROLLING BEARING UNIT FOR WHEEL SUPPORT|
|Title:||ROLLING BEARING UNIT FOR WHEEL SUPPORT|
A rotary-side flange is provided with a foreign body discharge hole that opens to at least an axial inner side face of the two axial side faces of the rotary-side flange. The outer diameter of an external end face of an outer ring in the axial direction is larger than the diameter of an inscribed circle of the inner end of the foreign body discharge hole in the radial direction with the central axis of a hub serving as the center.