Rolling member

Details Rolling member Rolling member

1993-08-25

1995-03-14

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

384565, 384625, F16C 3358, F16C 3364

Patent

active

053971884

ABSTRACT:
A rolling member which has improved strength and permits stable formation of oil films between its rolling surface and its mating surface and which shows a long life even under unfavorable lubricating conditions. The surface of the rolling member is subjected to heat treatment while nitriding. The rolling member is then treated to form minute recesses in its surface so that such surface has a surface roughness parameter RMS of not less than 0.10 .mu.m and a negative SK value. Thus, the surface strength of the rolling element increases and the oil film forming rate improves. The surface of the rolling member is less likely to suffer peeling damage and wear. Its life is prolonged.

REFERENCES:
patent: 4054339 (1977-10-01), Ladin
patent: 4893387 (1990-01-01), Akamatsu et al.
patent: 5064298 (1991-11-01), Hibi et al.
patent: 5147140 (1992-09-01), Murakami et al.
patent: 5159852 (1992-11-01), Harimoto

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