Bearing devices

Claim 1

A BEARING ASSEMBLY COMPRISING IN COMBINATION AN OUTER RACE MEMBER HAVING A CYLINDRICAL BORE EXTENDING THERETHROUGH, THE WALL OF SAID BORE HAVING A FIRST ANNULAR GROOVE FORMED THEREIN INTERMEDIATE THE ENDS OF SAID BORE, AN INTEGRAL METAL INNER RACE MEMBER CENTRALLY DISPOSED IN SAID BORE AND CONCENTRIC WITH THE SAID OUTER RACE MEMBER, SAID INNER RACE MEMBER HAVING A RECESS PROVIDED AT A FIRST AXIAL END AND AN EXTENSION PORTION EXTENDING FROM THE OPPOSITE END FOR ENGAGEMENT WITH A MOUNTING ELEMENT, SAID INNER RACE MEMBER HAVING AN ANNULAR SHOULDER EXTENDING THEREAROUND AND FACING TOWARD SAID FIRST AXIAL END, THE INNER RACE MEMBER ADJACENT SAID FIRST AXIAL EN HAVING AN OUTER WALL PORTION SURROUNDING SAID RECESS AND INCLINED RADIALLY OUTWARDLY IN A GRADUAL CURVE TO SUBSTANTIALLY THE OUTER RADIAL EXTENT OF SAID SHOULDER SO AS TO DEFINE WITH SAID ANNULAR SHOULDER A SECOND ANNULAR GROOVE RADIALLY INWARD OF THE MAXIMUM DIAMTETER OF SAID INNER RACE MEMBER, SAID SECOND ANNULAR GROOVE HAVING SUBSTANTIALLY THE SAME DEPTH AS THE FIRST ANNULAR GROOVE AND FACING AND DISPOSED RADIALLY INWARD OF SAID FIRST ANNULAR GROOVE TO PROVIDE AN ANNULAR RACEWAY, SAID RECESS HAVING A CLOSED BOTTOM WALL AND SIDE WALLS EXTENDING AXIALLY AND RADIALLY OUTWARDLY IN A CURVE COMPLEMENTING THE CURVE OF SAID OUTER WALL PORTION, AND A PLURALITY OF BALLS ARRANGED IN A CIRCLE POSITIONED IN THE RACEWAY DEFINED BY SAID GROOVES, SAID OUTER WALL PORTION BEING OF SUBSTANTIALLY UNIFORM THICKNESS FROM APPROXIMATELY A TRANSVERSE PLANE PASSING THROUGH THE CENTERS OF SAID BALLS TO SAID FIRST AXIAL END.