Roller bearings comprising rollers with positive skew angle

Details Roller bearings comprising rollers with positive skew angle Roller bearings comprising rollers with positive skew angle

1976-02-27

1976-11-09

Song, Robert R.

Cutlery

308202, 308207R, F16C 1900, F16C 3300

Patent

active

039907538

ABSTRACT:
A bearing comprising inner and outer members having inner and outer raceways spaced apart to define an annular space, a plurality of rolling elements in the annular space between the raceways, said rolling elements adapted to engage said members at inner and outer raceway contact zones, and means operable during operation of the bearing to cause at least the rolling elements in the load zone to assume a non-negative skew angle within a predetermined angular range; said rolling elements having a skew angle when the rolling element axis and the axis of the bearing are not coplanar and said skew angle being positive when the friction force components in the axial direction arising in each contact between a rolling element and said raceways and acting on the rolling element are so directed that they add onto or are codirectional to the axial component of the normal contact force load carried by said rolling element at that contact. Also, a bearing having the skew angle so selected that the friction forces arising from the skewed roller position act to reduce the magnitude of the normal contact forces between roller and raceways.

REFERENCES:
patent: 1862641 (1932-06-01), Turner
patent: 1918677 (1933-07-01), Winquist
patent: 1967650 (1934-07-01), Ahmansson
patent: 3370900 (1968-02-01), Messerschmidt

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