Bearings – Rotary bearing – Antifriction bearing
Reexamination Certificate
2006-11-14
2006-11-14
Hannon, Thomas R. (Department: 3682)
Bearings
Rotary bearing
Antifriction bearing
Reexamination Certificate
active
07134794
ABSTRACT:
A thrust needle roller bearing includes a plurality of needle rollers, and an annular retainer having a plurality of pockets for retaining the needle rollers. The plurality of pockets accommodate the needle rollers arranged in multiple rows shifted from each other in a radial direction of the retainer, and the retainer is made of synthetic resin. The thrust needle roller bearing is light, can reduce friction between the retainer and the needle rollers, and has high durability.
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Hannon Thomas R.
NTN Corporation
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