Abstract: A bearing assembly includes: a bearing; a pair of first vibration absorbing members each including a flexible part, an inner ring, and an outer ring, wherein the inner rings are fitted over the bearing in opposite directions along an axis; an annular second vibration absorbing member sandwiched between the pair of first vibration absorbing members in a direction along the axis to be disposed on a radially outer side of the inner rings, the annular second vibration absorbing member having a plurality of inner pin holes penetrating from an outer circumference of the annular second vibration absorbing member to an inner circumference thereof; and an annular holding member fitted over the outer rings and having a plurality of outer pin holes penetrating from an outer circumference of the annular holding member to an inner circumference thereof so as to respectively align with the inner pin holes.

Abstract: A bearing assembly includes: a bearing; a pair of first vibration absorbing members each including a flexible part, an inner ring, and an outer ring, wherein the inner rings are fitted over the bearing in opposite directions along an axis; an annular second vibration absorbing member sandwiched between the pair of first vibration absorbing members in a direction along the axis to be disposed on a radially outer side of the inner rings, the annular second vibration absorbing member having a plurality of inner pin holes penetrating from an outer circumference of the annular second vibration absorbing member to an inner circumference thereof; and an annular holding member fitted over the outer rings and having a plurality of outer pin holes penetrating from an outer circumference of the annular holding member to an inner circumference thereof so as to respectively align with the inner pin holes.

Abstract: A propeller shaft includes: an outer race having a plurality of bolt holes formed therethrough in an axial direction; a power transmission member swingable in the outer race; a shaft member having a front end portion in which a large-diameter portion is formed and a rear end portion connected to the power transmission member; a seal member made of rubber and configured to seal a front opening of the outer race; and a disc-shaped protection member mounted between the large-diameter portion and the rear end portion of the shaft member. In one aspect, the protection member has a clearance portion for a bolt fastening tool, and the clearance portion is annually formed around a shaft center. In another aspect, the protection member has clearance portions for a bolt fastening tool, and each of the clearance portions is in phase with a corresponding bolt hole when viewing in the axial direction.

Abstract: A bearing structure includes a bearing that supports a propeller shaft, an annular vibration isolating member fitted over the bearing, an outer ring attached to the vibration isolating member and having an outer-peripheral fitting surface, and a bracket attached to a vehicle body and having an inner-peripheral fitting surface that is fitted to the outer-peripheral fitting surface. Both the bracket and the outer ring are formed of an aluminum material. An anodized aluminum layer is formed on at least one of the inner-peripheral fitting surface and the outer-peripheral fitting surface. Because of the above mentioned features, the bearing structure that has a light weight and is inexpensive and productive.