Mounting arrangement with selfcompensating roller bearings

Claim 1

A BEARING ARRANGEMENT ROTATABLY JOURNALING A ROTARY STRUCTURE WITHIN A HOUSING, SAID HOUSING BEING FORMED OF A MATERIAL HAVING A COEFFICIENT OF THERMAL EXPANSION THAT EXCEEDS THE CORRESPONDING COEFFICIENT FOR SAID ROTARY STRUCTURE, A PAIR OF ALIGNED BEARING OPENINGS FORMED IN SAID HOUSING, A ROLLER BEARING ASSEMBLY RECEIVED WITHIN EACH OPENING FOR JOURNALLING SAID ROTARY STRUCTURE AT SPACED LOCATIONS, EACH BEARING ASSEMBLY COMPRISING A TAPERED OUTER RACE AND A TAPERED INNER RACE WITH TAPERED ROLLER BEARING ELEMENTS DISPOSED THEREBETWEEN, THE SMALLER DIAMETER ENDS OF SAID ROLLERS BEING LOCATED ON THE INBOARD SIDE OF THEIR RESPECTIVE BEARING ASSEMBLIES, THE AXES OF ROTATION OF SAID BEARING ELEMENTS LYING IN THE PLANE OF A CONE HAVING AN APEX SITUATED ON THE INBOARD SIDE OF THE BEARING OPENING FOR THE ASSEMBLY, A SHOULDER FORMED IN SAID BEARING OPENING, SAID OUTER RACE ENGAGING SAID SHOULDER, SAID ROTARY STRUCTURE HAVING SHAFT PROTIONS EXTENDING THROUGH SAID INNER RACES, EACH SHAFT PORTION BEING THREADED, AND A NUT THREADED ON EACH THREADED PORTION ENGAGEABLE WITH ITS ASSOCIATED INNER RACE WHEREBY AN INDEPENDENT PRELOAD IS APPLIED TO EACH INNER RACE, SAID PRELOAD ACTING TOWARD THE INBOARD SIDE OF SAID BEARING ASSEMBLY, SAID OUTER RACE AND ITS COOPERATING BEARING OPENING BEING PROVIDED WITH AN INTERFERENCE FIT, SAID INTERFERENCE FIT BEING RELAXED AS THE TEMPERATURE OF SAID HOUSING INCREASES, THE RUNNING CLEARANCE OF SAID BERING ELEMENTS BEING MAINTAINED RELATIVELY CONSTANT AS SAID OUTER RACES ARE SHIFTED AWAY FROM EACH OTHER UPON AN INCREASE IN THE TEMPERATURE OF SAID HOUSING.