A roller bearing is provided with an elastic member that is fitted to an annular groove that is formed in the outer circumference of an outer ring. A chamfered portion, formed on one side face of the groove, is made larger than a chamfered portion formed on the other side face, and has a distance from the bottom face of the groove that is set to 1/2 or more of the thickness of the elastic member.

 
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< Bearing apparatus having electrorheological fluid lubricant

> Supporting disk for providing bearing support to a rotor of an open-ended spinning machine, and method for manufacturing said supporting disk

> Thrust cylindrical roller bearing
~ 00615