Rolling bearing

Details Rolling bearing Rolling bearing

1991-04-24

1992-06-16

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384 49, 384625, 384913, 384569, F16C 3358

Patent

active

051220008

ABSTRACT:
A rolling bearing in which a bearing ring and/or a rolling element comprises an alloy steel wherein the hardness of a surface layer over a thickness corresponding to greater than 2% of a mean diameter of a rolling element is equal to or greater than 60 HRC and the hardness at least of the raceway surface or the rolling contact surface is equal to or greater than 64 and equal to or less than 69 HRC, and carbides of equal to or greater than 6 .mu.m converted as the diameter of a circle are not contained in a range from the raceway surface of the rolling contact surface as far as the depth corresponding to 2% of the mean diameter of the rolling element.

REFERENCES:
patent: 5030017 (1991-07-01), Murakami et al.

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