
Koyo bearings: Since 1921
Thank you for 100 Years
History
1921
Founded as Koyo Seiko Co. (brand name "IKF")
Beginning of full bearing production
1935
Established as Koyo Seiko Co., Ltd.
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1933
Full production of double-row ball bearings and tapered roller bearings began
1937
Production and sale of Koyo sawing machine (later rolling bearings) began
1943

Four-row tapered roller bearings for rolling mill work rolls developed
1949
Four-row tapered roller bearings for rolling mill backup rolls developed
1952
Developed water pump bearings

1957
Mass production of cylindrical roller bearings for multi-roll mill backup rolls began

1958
AMERICAN KOYO CORPORATION (presently Koyo Corporation of U.S.A.) established
1959
Development of bearings for the Shinkansen bullet train high-speed train-cars began

1961
Registered trade mark changed from IKF to Koyo
1962
Kokubu Plant Central Research Laboratory established. Achieved the largest total sales in the bearing industry
1963
Europe Koyo Import & Export GmbH established
1964
Australian Koyo Ltd./Deutsche Koyo Walzlager VmbH established
1966
Canadian Koyo Co., Ltd./Thai Koyo Co., Ltd established
1967
Koyo de Mexico, S.A. established
1968
Production of tapered roller bearings (HI-CAP) began
1969
Production of drive shafts for construction machinery began

1972
Koyo (U.K.) Ltd./Koyo Singapore Pte. Ltd.Koyo Rolamentos do Brasil Ltda. established
9 sales bases established in Japan
Four-row cylindrical roller bearings for rolling mill backup rolls developed
1975
Koyo France S.A./Philippine Koyo Bearing Corporation established
1978
Koyo Espanola, S.A. established
Developed Ball bearings under vacuum conditions

1979
Koyo (Holland) B.V. established
1981
Koyo Kullager Scandinavia A.B/Koyo Corporation of USA established
1982
Ball bearings for high-speed alternator developed

1983
Koyo Latin America, S.A. established
Low-friction torque tapered roller bearings (LFT®) developed. The 2nd generation ball hub unit bearings developed
1984
Ceramic bearings developed

1988
Split type bearing unit for continuous casting equipments developed
1989
Technical center at Kokubu Plant completed
1990
Koyo Italia S.R.L. established
Hub unit bearings with built-in ABS sensors developed

1992
Delivered ultra-large size slewing rim bearings (7.2m diameter) for the tunnel-boring machine for the Tokyo Bay Aqua Line
1993
ISO9002 acquired (7 plants in Japan)
Koyo Extra-life (KE) bearings developed

1995
Koyo Sales Co., Ltd. established
1996
ISO9001 acquired
Clean Pro bearings for semiconductor manufacturing equipment developed
1997
European Technical Centre in the Netherlands established
Ceramic bearings for turbochargers developed

Delivered tapered roller bearings for the Shinkansen bullet train( N500 series)

1999
ISO14001 acquired
Tapered roller bearings for N700 Series Shinkansen bullet train delivered
2001
Niigata Koyo Ltd./Shizuoka Koyo Co., Ltd./Koyo Nichijiku Co., Ltd. established
2002
Delivered quarter-split type ultra-large size (8.37m) slewing rim bearings
Developed High Ability Angular Contact Ball Bearings for machine tool spindles

2003
Clutch pulley for alternator developed
2005
Chinese local affiliate established

2006
JTEKT Corporation founded
Developed long-life needle roller bearings for planetary gears
Developed Low-friction torque tapered roller bearings (LFT®-III)

2007
Developed large-size insulated ceramic bearings for wind power generators
2009
Long-life & high-corrosion resistant roll neck bearings for rolling mills developed

Developed excessive-torque protectors for steel rolling mill driveshafts (hyper coupling)

2010
The needle bearing business acquired from THE TIMKEN COMPANY in the U.S.
High-performance sealed cylindrical roller bearings for multi-roll mill backup rolls developed
Ultra high-speed angular contact ball bearings that cope with high-speed rotation of 4,000,000 dmn developed
2012
Large Size Bearing Engineering Development Center/JTEKT Iga Proving Ground opened
2014
Merged with Koyo Sales Co., Ltd.
Developed caged needle roller bearings for high speed planetary gears

2016
Tag line established
JTEKT EUROPE S.A.S Proving Ground opened
High-rotation speed ball bearings (with high-rigidity resin cage) developed
Developed ultra thin section ball bearings (high load capacity type)

2017
Launched bearing product information on the JTEKT website
Developed new Clean Pro bearings

2018
High-performance cylindrical roller bearings for multi-roll mill backup rolls developed
2019
Next-generation long-life bearings (NK bearing) developed
2020
Ultra-high precision bearings (PRECILENCE) developed
Developed low-friction torque tapered roller bearings (LFT®-V)
