Method of forming an outer ring of an axle bearing

Details Method of forming an outer ring of an axle bearing Method of forming an outer ring of an axle bearing

1996-03-20

1998-03-17

Schwartz, Larry I.

Metal working

Method of mechanical manufacture

Process for making bearing or component thereof

2989813, 29423, 384625, 148906, 148571, B23P 1500

Patent

active

057273170

ABSTRACT:
An outer ring of an axle bearing is heat-treated and a through hole can be formed quickly and reliably. The outer ring has raceways on its inner periphery along which rolling elements roll. A through hole for mounting an antilock brake sensor is formed in the outer ring to extend from its outer periphery to the inner periphery. A plug is inserted into the hole thus formed. After hardening the raceways, the plug is pulled out of the hole. Since the hole is formed before hardening the raceways, it can be formed easily by drilling with an ordinary carbon steel tool. Since the raceways are hardened after inserting the rod-shaped metal plug into the hole 9, the heat produced during hardening will disperse through the plug. It is thus possible to prevent shoulder portions of the raceways from melting due to overheating.

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