NTN bearings

The beginning of the Japanese bearing industry was started by competitor Nippon Seiko (now known as NSK) producing such bearings in 1914. Four years later in 1918, Nishizono Ironworks, a factory in Uchibori, Mie Prefecture began producing ball bearings.

In the following year, NTN Toyo changed its name to NTN Corporation while creating a new constant-velocity joint factory and research and development center for NTN Driveshaft in Columbus Indiana. .

As a result of giobalization，with bearings being further governed by international guidelines, NTN consolidated its foreign operations while trying to expand further into cutting edge markets. In order to expand North American operations, the company formed NTN USA Corporation, which was slated to become a holding company for their existing US divisions. They also established an office to oversee the fabrication activities of their existing operations. One of NTN's objectives was to begin production of constant-velocity joints in North America. One of their first steps in doing so was the 1996 purchase of Federal-Mogul's ball bearings sector.

Bearing Number	Bore Dia	Outer DIa	Width	Size
NTN CRO-16803 tapered roller bearings	55 mm	120 mm	15 mm	0.6 mm
NTN MR445628+MI-354428 needle roller bearings	110 mm	160 mm	20 mm	1 mm
NTN 23976 spherical roller bearings	90 mm	210 mm	25 mm	1.5 mm
NTN 7003UG/GNP4 angular contact ball bearings	80 mm	120 mm	16 mm	0.6 mm
NTN 240/1120B spherical roller bearings	190 mm	240 mm	25 mm	1 mm
NTN 4T-02473/02420 tapered roller bearings	115 mm	240 mm	28 mm	1.5 mm
NTN CRD-12002 tapered roller bearings	90 mm	210 mm	25 mm	1.5 mm
NTN FLRA1-4ZA deep groove ball bearings	70 mm	100 mm	13 mm	0.6 mm
NTN 4R5217 cylindrical roller bearings	90 mm	130 mm	16 mm	1 mm
NTN 4T-2789/2729 tapered roller bearings	20 mm	70 mm	12 mm	0.6 mm
NTN 7322CDB angular contact ball bearings	250 mm	310 mm	25 mm	2 mm
NTN 5207SCLLD angular contact ball bearings	160 mm	295 mm	35 mm	2 mm