Cylindrical roller bearing

Details Cylindrical roller bearing Cylindrical roller bearing

2006-09-05

2006-09-05

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

Reexamination Certificate

active

07101088

ABSTRACT:
A cage of a cylindrical roller bearing includes an annular section, a plurality of pillars that extend axially in an integrated, continuous manner from the inside surface of the annular section, and a plurality of pockets, which are formed between the inner circumferential direction side faces of adjacent pillars, and hold the cylindrical rollers in a freely rotatable manner. The circumferential direction side faces of the pillars incorporate a circular arc surface formed in both the inside and outside diameter directions from the pocket PCD which passes through the pocket center of the pocket, and a roll-off section (lubricant reservoir) provided at the tip end inner circumferential section.

REFERENCES:
patent: 2004/0081382 (2004-04-01), Yokota
patent: 11-166544 (1999-06-01), None
patent: WO 03/029670 (2003-04-01), None

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