Patent ID: 7862241
Filing Date: 2011-01-04
Classification: F16C

Abstract:
1. A rolling beating apparatus comprising: an inner ring; an outer ring that includes a seal groove formed in an inner peripheral surface of a shoulder portion of the outer ring and extending in a circumferential direction; rolling elements rollably disposed between the inner and outer rings; and a sealing device that includes: a seal member for sealing a space between the inner and outer rings; and a seal case having a tubular fixing portion press-fitted in the inner peripheral surface of the shoulder portion of the outer ring, a ring-shaped portion extending radially inwardly from an axially-outer end of the fixing portion, a retaining portion extending axially outwardly from an inner peripheral edge of the ring-shaped portion and retaining the seal member, and a ridge which is formed on and projects radially outwardly from the fixing portion and is inserted in the seal groove, wherein the ridge is disposed nearer to the axially-outer end of the fixing portion than an axially-inner end of the fixing portion.