Rolling bearing

Details Rolling bearing Rolling bearing

2006-11-21

2006-11-21

Ridley, Richard (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S456000, C384S492000, C384S625000

Reexamination Certificate

active

07137741

ABSTRACT:
A rolling bearing intended for longer life by improving seizure resistance and wear resistance in the circumstance with slip contact or in the circumstance where lubricant tends to be exhausted, which is manufactured by applying carburization or carbonitridation to an Si-added material to disperse and precipitate carbides or carbonitrides containing Si or Si—X (X=one or more of Mn, Mo, and Cr) thereby improving the seizure resistance and the wear resistance by the self-lubrication effect thereof, the size of the carbides or carbonitrides being preferably 10 μm or less for preventing flaking, and the area ratio for the carbides or carbonitrides being preferably 1.0–30% for obtaining sufficient self-lubrication effect.

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