Bearing assembly and method of making

Claim 1

A BEARING UNIT COMPRISING IN COMBINATION, A CUPSHAPED SHELL MEMBER HAVING AN APERTURED BOTTOM WALL, A CYLINDRICAL WALL EXTENDING FROM SAID BOTTOM WALL, AND AN OUTWARDLY-TURNED BEAD AT THE OUTER END OF SAID CYLINDRICAL WALL, AN INNER RACE MEMBER DISPOSED CONCENTRIALLY OF SAID SHELL MEMBER, SAID INNER RACE MEMBER HAVING AN ANNULAR GROOVE FORMED ON THE OUTER WALL THEREOF, A PLURALITY OF BALL BEARINGS ARRANGED IN SAID GROOVE CONCENTRIC WITH SAID INNER RACE MEMBER, A FIRST APERTURED DISC MEMBER DISPOSED IN SAID SHELL MEMBER NEXT ADJACENT SAID BOTTOM WALL AND IN AXIAL ALIGNMENT THEREWITH, A SECOND APERTURED DISC MEMBER DISPOSED IN SAID SHELL MEMBER NEXT ADJACENT SAID FIRST APERTURED DISC MEMBER AND IN AXIAL ALIGNMENT THEREWITH, THE SECOND DISC MEMBER HAVING A GREATER DIAMETER THAN THE OUTSIDE DIAMETER OF SAID FIRST DISC MEMBER, THE SAID DISC MEMBERS, ADJACENT THEIR OUTER PERIPHERAL EDGES BEING DISPOSED IN A PARALLEL PLANES NORMAL TO THE AXIS OF SAID SHELL MEMBER, THE APERTURES IN SAID DISC MEMBERS BEING IN AXIAL ALIGNMENT, SAID FIRST AND SECOND DISC MEMBERS BEING SPACED APART AROUND THE INNER PERIPHERAL EDGES THEREOF AROUND THE ALIGNED APERTURES THEREIN RADIALLY OUTWARDLYOF THE SAID INNER RACE MEMBER IN THE PLANE OF SAID GROOVE TO PROVIDE AN OUTER RACEWAY FOR SAID BALL BEARINGS, THE OUTER PERIPHERAL EDGE OF SAID SECOND DISC MEMBER BEING TIGHTLY EMBRACED BY THE SAID CYLINDRICAL WALL OF THE SHELL MEMBER RADIALLY OUTWARDLY OF THE SECOND DISC MEMBER TO EMBED THE SAID OUTER PERIPHERAL EDGE OF THE SECOND DISC MEMBER IN SAID SHELL MEMBER THEREBY TO FIRMLY HOLD THE SECOND DISC MEMBER WITHIN THE SHELL MEMBER AND TO RETAIN THE FIRST DISC MEMBER INTERMEDIATE THE SECOND DISC MEMTER AND SAID BOTTOM WALL, THE SECOND DISC MEMBER AJOINING SAID OUTER PERIPHERAL EDGE THEREOF BEING DISPOSED ADJACENT, AND IN A PLANE PARALLEL TO, SAID FIRST DISC MEMBER AND GRADUALLY EXTENDING THEREFROM TOWARD SAID INNER PERIPHERAL EDGE OF THE SECOND DISC MEMBER, THE SAID CYLINDRICAL WALL OF THE SHELL MEMBER HAVING A SYMMETRICALLY UNIFORM THRICKNESS AROUND THE CIRCUMFERENTIAL EXTENT THEREOF FROM SAID SECOND DISC MEMBER TO SAID BEAD.