Patent · US Expired

Roller bearing cage

US5152615A · kind A · utility

2Cited by

5References

2Claims

0Family size

Assignee

AKTIEBOLAGET SKF · SE

Inventors

Bernhard Bauer · Lebring, AT
Heinz Reichle · Lenningen, DE
Robert Stolz · Schweinfurt, DE

Key dates

Filing date	Aug 7, 1991
Grant date	Oct 6, 1992
Priority date	—
Expiry date	Aug 7, 2011

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C19/44
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A roller bearing cage is made of a bent strip of sheet metal having abutting ends that are connected to one another, the cage being comprised of two end rings and a cage frame surrounding the windows, the windows retaining and guiding the rollers. In order to permit the manufacture of rolling element bearing cages of different reference circle diameters while using only one tool for rolling elements with a specific diameter d, the center distance between adjacent the cage windows in the circumferential direction is .pi.d/2.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.