Koyo Seiko Company, Ltd.

Denso Corporation

Nippondenso Co., Ltd.

Tutomu Siga

Kenzo Mitani

Masayuki Kitamura

Yoshiki Fujita

Hiroyuki Miyazaki

Teruo Hoshino

Sigenobu Nakamura

An antifriction bearing includes a fixed ring which comprises a steel containing up to about 10% of residual austenite. An alternator for vehicles includes a stator mounted on a frame, a rotor having its rotary shaft rotatably supported by a pair of bearings on the frame and a drive pulley mounted on one end of the shaft projecting outward from the frame. The outer ring of at least the bearing toward the pulley comprises a steel containing up to about 10% of residual austenite.

Antifriction bearing and alternator incorporating same for use in vehicles

Antifriction bearing and alternator incorporating same for use in

Growing community of inventors

Aichi, Japan

Tutomu Siga