Bearings – Rotary bearing – Antifriction bearing
Patent
1991-01-09
1991-12-10
Hannon, Thomas R.
Bearings
Rotary bearing
Antifriction bearing
384564, 384494, F16C 3334
Patent
active
050712659
ABSTRACT:
A roller bearing assembly for both radial and axial loads comprises an annular series of hollow roller bearings within associated inner and outer annular bearing races. Each race has an integral end flange which projects generally radially toward the opposite race and which defines an axially inwardly facing parti-circular annular thrust surface. The flanges are arranged at axially opposite diagonal locations so that the thrust surfaces diagonally oppose each other in the axial direction. The roller bearings have parti-circular rim surfaces which engage the thrust surfaces and with the bearings preloaded both radially and axially enhanced stiffness and running accuracy is achieved. In a second form, annular recesses provide opposite end flanges on the roller bearings with enhanced axial flexibility. Bearing assemblies may be employed in axially adjacent pairs in machine tool spindles and the like.
REFERENCES:
patent: 3410618 (1968-11-01), Harris et al.
patent: 3765071 (1973-10-01), Bowen
patent: 3930693 (1976-01-01), Bowen
patent: 4002380 (1977-01-01), Bowen
patent: 4232914 (1980-11-01), Bowen, III
Bowen Willard L.
Howe, Jr. Ralph S.
Hannon Thomas R.
ZRB Bearing, Inc.
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