Simultaneously ground type bearing body and limited sliding bear

Details Simultaneously ground type bearing body and limited sliding bear Simultaneously ground type bearing body and limited sliding bear

1985-08-14

1987-02-24

Levy, Stuart S.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

291484R, 291495R, 384 49, B24B 100, F16C 3364

Patent

active

046447024

ABSTRACT:
A bearing body of substantially U-shaped cross section has right and left skirts interposing therebetween a central cavity formed in its central lower part as well as opposite recesses formed in the inner peripheral side surfaces of the skirts. The bearing body further has several axial ball rolling surfaces provided on both sides of the recesses. The ball rolling surfaces are simultaneously ground in such a manner that grinding wheels having a thickness equal to the width of the recesses are brought into contact with the recesses, respectively, with a predetermined infeed angle. Also disclosed is a limited sliding bearing unit incorporating therein the above-mentioned simultaneously ground type bearing body. The bearing unit further includes a track shaft and a pair of cages.

REFERENCES:
patent: 2830409 (1958-04-01), Northcutt
patent: 3879897 (1975-04-01), Kato
patent: 4296974 (1981-10-01), Teramachi

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