Patent ID: 8226298
Filing Date: 2012-07-24
Classification: F16C,F16J

Abstract:
1. A rolling bearing apparatus comprising: an outer ring; an inner ring; and rolling elements arranged between the outer ring and the inner ring, wherein the inner ring includes a first inner ring and a second inner ring which are abutted against each other in an axial direction of the inner ring, wherein an annular groove is formed on outer peripheral surfaces of axially abutted portions of the inner ring, wherein a sealing device is fitted in the annular groove, and includes: wherein the fixed lip of the sealing device is in contact with an outer peripheral surface of the first inner ring constituting a portion of a bottom surface of the annular groove, while the sliding lip of the sealing device is in contact with an outer peripheral surface of the second inner ring constituting a portion of the bottom surface of the annular groove such that an annular recessed portion is formed between a portion of the metal core portion and the thin portion, wherein the elastic portion includes a projecting portion projecting from an end surface of the elastic portion in the axial direction, and wherein the projecting portion contacts a side wall of the annular groove.