Roller bearing oil feed device

Details Roller bearing oil feed device Roller bearing oil feed device

2006-05-02

2006-05-02

Ridley, Richard W. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S462000, C384S551000

Reexamination Certificate

active

07036989

ABSTRACT:
A roller bearing oil feed device includes a plurality of rolling elements arranged in a plurality of rows in the axial direction between an outer ring and an inner ring, the inner ring being divided for each row of the rolling elements and a ring-shaped spacer being interposed at the position of this division, the inner rings and spacer being fitted onto a rotary shaft. A circumferential groove is provided in the inner peripheral section of the spacer and oil feed holes communicating with the circumferential groove are provided in the rotary shaft. An oil feed passage having an inlet opening into the circumferential groove and an outlet opening to a corner on at least one side in the axial direction of the spacer is provided in the spacer.

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