Roller bearing with an improved cage

Details Roller bearing with an improved cage Roller bearing with an improved cage

1983-06-13

1984-09-18

Footland, Lenard A.

Cutlery

308218, F16C 3346

Patent

active

044720068

ABSTRACT:
The invention relates to a roller bearing having at least one row of rollers, in which the rollers are arranged at an angle to the bearing axis, an inner and an outer raceway for the rollers and a cast plastics cage for the rollers. The cage comprises two coaxial rings (1,2) and bars (3) extending between the rings, the rollers (4) being situated in pockets between the bars. In order to achieve a good positioning of the cage and a good guidance of the rollers when the cage is centered by contacting the rollers, the radial extension of the bars are greater than the radial width of the rings, whereby the bars have a portion (5) in connection to their middle part which portion extends radially inside or outside the pitch circle (6) of the rollers and contacts the rollers on a surface (7) so situated that a normal (8) through the contact of the roller surface with said surface (7) forms an angle (.alpha.) with a line (9) from the center of the bearing through the axis of the roller, the angle (.alpha.) being less than 60.degree.. Further, the cage has a portion at each end of the roller with a roller contact surface (10) so situated that a plane (11) through the contact surface (10) and the roller axis forms an angle (.beta.) with that plane (12) in which the roller is skewed when it is taking an oblique position in the cage pocket, the angle (.beta.) being less than 15.degree..

REFERENCES:
patent: 3365255 (1968-01-01), Altson
patent: 3537766 (1970-11-01), Scheifele
patent: 3582165 (1971-06-01), Koch
patent: 3963285 (1976-06-01), Kellstrom

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