David N Beauregard

US Patent:

55318363, Jul 2, 1996

Filed:

Dec 22, 1994

Appl. No.:

8/362285

Inventors:

Michael M. Dezzani - Torrington CT
David E. Beauregard - Burlington CT

Assignee:

The Torrington Company - Torrington CT

International Classification:

C22C 3822
C21D 940
C23C 822

US Classification:

148233

Abstract:

There is disclosed herein a steel alloy bearing having an inner race, an outer race and rolling elements comprising: at least one of said elements being made of alloy steel which constitutes from 10. 0 to 18. 0 wt % chromium and 0. 05 to 0. 30 wt % carbon, 0. 10% to 2. 0 wt % molybdenum, 0. 15 to 1. 0 wt % silicon, 0. 20 to 1. 5 wt % manganese, 0. 8 to 1. 2 wt % tungsten, 0. 20 to 0. 30 wt % vanadium, 0. 2 to 1. 0 wt % of nickel, and the remainder of said steel alloy being iron; and said at least one element having been carburized in a carbon atmosphere containing from 0. 25 to about 0. 40 % carbon potential.