Patent ID: 8157450
Filing Date: 2012-04-17
Classification: F16C

Abstract:
1. A bearing comprising: an inner ring concentrically disposed with an outer ring with rotational elements therebetween adapted for allowing rotational movement of the inner ring relative to the outer ring, the outer ring having a crowned outer surface; and a waveform expansion sleeve disposed about the outer ring, the waveform expansion sleeve having a cylindrical outer surface dimensioned to be received in a bore of a bearing housing and an inner surface with a profile matching the outer ring outer surface, the waveform expansion sleeve having an undulating radial cross section that exerts radial pressure at its inner surface against the outer ring outer surface when mounted in the bore of the bearing housing to secure the bearing in the housing, the expansion sleeve inner surface forming a seal with the outer ring outer surface when the bearing is installed in the bearing housing; wherein the waveform expansion sleeve has an anti-rotational engagement portion on its outer surface shaped to engage a cooperating anti-rotational engagement of the bearing housing to prevent circumferential relative motion of the waveform expansion sleeve in the bearing housing when the bearing is installed in the housing; wherein the waveform expansion sleeve anti-rotational engagement portion has a lubrication hole extending through its inner surface and the expansion sleeve anti-rotational device is shaped to align the lubrication hole with a lubrication injection port of the bearing housing.