| 1925. 03 |
Nakanishi Mfg. Corporation was established and began to produce Ball Bearings. |
| 1939. 03 |
Renamed as Kongo Bearing Co., Ltd. |
| 1957. 10 |
Received Award of Director General of Agency of Industrial Science and Technology
for "Industrial Srandardization" and "Factories Making Prominent Contributions
to Quality Control" |
| 1961. 04 |
Entered into capital and business tie-up with The Toyo Bearing Mfg.Co., Ltd. |
| 1962. 06 |
Began to produce oil Maintenance-free Bearing Units. |
| 1977. 10 |
Began to produce Clutch-release Bearings. |
| 1978. 01 |
Renamed as Toyo Bearing Kongo Works Ltd. |
| 1989. 10 |
Renamed as NTN KONGO Corporation. |
| 1996. 01 |
Certificated & Registered ISO9000 |
| 1999. 11 |
Certificated & Registered ISO14001 |
| 2000. 04 |
Began to supply Bearing Units for NSK (OEM Products) |
| 10 |
Began to produce Double Row Angular Contact Ball Bearings |
NTN
Kongo Corporation
