Method for measuring preload clearance in double row rolling bea

Details Method for measuring preload clearance in double row rolling bea Method for measuring preload clearance in double row rolling bea

1995-02-03

1996-09-24

Fulton, Christopher W.

Geometrical instruments

Gauge

Bearing or bearing part

33701, 33549, 33600, G01B 514

Patent

active

055578543

ABSTRACT:
A method of measuring the preload clearance in a double row rolling bearing. The double row rolling bearing includes an outer ring having outer raceways in double rows on its inner peripheral surface and first and second inner rings each having an inner raceway on its outer peripheral surface. Each of the first and second inner rings are provided concentric with the outer ring. The double row rolling bearing further includes a plurality of rolling members provided between the inner raceways and the outer raceways in double rows, respectively. The rolling members are preloaded when the first and second inner rings are abutted to each other at their inner end edges. The method includes the steps of obtaining the dimension H.sub.1 corresponding to the distance between the outer end faces of the pair of inner rings when the pair of inner rings are pressed lightly at their outer end faces in a direction to be closer to each other. Obtaining the dimension H.sub.2 corresponding to the distance between the outer end faces of the pair of the inner rings when a plurality of spacers having the same thickness which is known are inserted from the radially inner side between the inner end edges of the pair of inner rings, and obtaining the difference (H.sub.2 -H.sub.1) between the obtained dimension of H.sub.2 and the obtained dimension of H.sub.1 and subtracting from the difference from the thickness T to obtain the preload clearance.

REFERENCES:
patent: 2627120 (1953-02-01), Hotchkiss
patent: 4468861 (1984-09-01), Overland
patent: 4993165 (1991-02-01), French et al.
patent: 5224273 (1993-07-01), Dellas
patent: 5325599 (1994-07-01), Russell

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