1916-1944
1945-1970
1971-1985
1986-2001
2002-2016
2017-
:Event :Technology / Product [ ]:indicates first product(s) manufactured
Supporting Japan’s modernization
Founded as a bearing manufacturer to establish the rolling bearing industry in Japan
Head office and plant (Osaki, Tokyo) circa 1930
World Events 1914 World War I breaks out 1920 League of Nations launched 1929 Great Depression Japan Events 1923 Great Kanto Earthquake 1927 Japan's first subway line opens (Asakusa to Ueno)
Japan Yamaguchi Takehiko tours nail-making factories in the US
Japan Nippon Seiko Limited Partnership Company established
Japan NSK Ltd. founded in Yurakucho, Tokyo First bearings produced
First in Japan Bearing mass production achieved
First in Japan Rolling bearings for trucks Japan’s oldest surviving bearings catalog published (4th edition from 1918)
NSK catalog issued in 1917
First in Japan Large-size double-row thrust ball bearings for slewing rim of cranes (OD 510 mm)
Large-size bearings and engineer (1923)
First in Japan Deep groove ball bearings for marine gyrocompass rotors
First in Japan Cylindrical roller bearings for aeroengines
First in Japan Bearing steel balls produced
Exhibited at the Sea and Sky Exhibition in Tokyo Expanded heat treatment equipment, steel ball factory and grinding machines at the Osaki Plant
First in Japan Double-row cylindrical roller bearings for rolling mills (roll neck bearings for Nippon Kokan)
First in Japan Bearings for domestically produced aeroengines
First in Japan Bearings for gas-powered railcars for Japanese National Railways
Japan Tamagawa Plant established in Ota, Tokyo (closed in 1999) [1934 steel ball factory ? 1935 ball bearing factory]
Japan Fujisawa Plant established in Fujisawa, Kanagawa Prefecture [1937 steel ball factory ? 1939 ball bearing factory]
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