IntroductionNTN NJ321 Bearing| Boundary dimensions (mm) |
Basic load ratings (kN) |
Basic load ratings (kgf) |
Limiting speed (min-1) |
Mass (kg) <approx.> |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inner dia. (d) | Outer dia. (D) | Width (B) | Chamfer (rs_min) | Dynamic (Cr) | Static (Cor) | Dynamic (Cr) | Static (Cor) | Grease | Oil | |
| 105 | 225 | 49 | 3 | 320 | 360 | 32500 | 36500 | 3100 | 3700 | - |
|
Abutment and fillet dimensions (mm) |
||||||||
|---|---|---|---|---|---|---|---|---|
|
da min |
da max |
Da min |
Da max |
Dx <approx.> |
Cy max |
Cz min |
ras max |
rnas max |
| 118 | 212 | 2.5 | ||||||
NTN Bearings
NTN began in 1918 when investor Noboru Niwa, his sales company Tomoe Trading Co., and engineer Jiro Nishizono joined together to design and manufacture the first NTN ball bearings.NTN Bearing Corporation of America was established in 1963 to support local sales of NTN bearings in the American market. NTN was now capable of manufacturing ball bearings, spherical, tapered, cylindrical, and needle roller bearings and automotive constant velocity joints. NTN bearings are one of the world's comprehensive precision machinery manufacturers,NTN is a leading bearing supplier to both the industrial and automotive markets. NTN is also a leader in the development of precision equipment in cutting-edge fields and supplies many different industries, including automotive, construction equipment, wind energy, and steel and paper mills.Our philosophy of providing the right bearing for the right application and at the lowest price possible is embodied in the numerous lines of NTN bearings that we carry. These are bearing applications that demand reliability, corrosion resistance and the ability to provide a variety of sealing options. Enough stock with very good price , if you are interested , welcome you contact us by mail :Sales@desunbearing.com
NTN NJ321 Bearing Model
DESUN BEARING LIMITED
Add：ROOMS 1401-2,EASEY COMMERCIAL BUILDING,253-261 HENNESSY ROAD,WANCHAI,HONG KONG
Tel :
00852 30697280
Fax:
00852 30697280
E-Mail：Sales@desunbearing.com
