Rolling contact bearing

Details Rolling contact bearing Rolling contact bearing

1996-04-03

1998-12-29

Bonck, Rodney H.

Bearings

Rotary bearing

Antifriction bearing

384625, 384907, F16F 3332, F16F 3362

Patent

active

058532498

ABSTRACT:
A rolling contact bearing made from intermediate or high carbon steels including a bearing ring composed of an inner ring and an outer ring, rolling elements rotatably interposed between the inner and outer rings and a peripheral snap ring groove provide on the outer periphery of the bearing ring. The rolling contact bearing is characterized in that the groove includes a mill scale portion having a carbonitrided layer beneath the mill scale portion and substantially remaining unremoved after carbonitriding, that the carbonitrided layer contains a precipitated carbonitride content in a range from 10 to 30% by area of the carbonitrided layers and/or that the maximum grain diameter of carbonitrided precipitated in the carbonitrided layer beneath the mill scale portion on the inner surface of the snap ring groove of the bearing is 8 .mu.m

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patent: 5439300 (1995-08-01), Hirakawa et al.
patent: 5528799 (1996-06-01), Bach et al.

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