NTN
Cuscinetti a rulli cilindrici NJ2228
Cuscinetto NTN NJ2228, Ø140×250×68 mm. Richiedi offerta — spedizione in tutto il mondo.
Tipo Cuscinetti a rulli cilindrici
Dimensioni
Ø 140 × 250 × 68 mm
d140Ø foro (mm)
×
D250Ø esterno (mm)
×
B68Larghezza (mm)
Richiesta offerta
Disponibile
Specifiche tecniche
| Brand | NTN |
| d - Internal diameter | 140 mm |
| D - External diameter | 250 mm |
| B - Bearing/Inner ring width | 68 mm |
| E - Upper roller diameter | 221 mm |
| F - Under roller diameter | 169 mm |
| d1 - IR flange outer diameter | 179,5 mm |
| rs - Min fillet radius | 3 mm |
| r1s - Min fillet radius | 3 mm |
| Radial clearance class | CN |
| Mass | 13,6 kg |
| C - Dynamic load | 495000000 mN |
| C0 - Static load | 635000000 mN |
| Cu - Fatigue limit load | 63500000 mN |
| N lim - Oil lubrication limit speed | 16800 °/s |
| N lim - Grease lubrication limit speed | 14400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 153 mm |
| da max - Small face shoulder max diameter | 166 mm |
| dc min - Min inner ring GO diameter | 182 mm |
| Da max - Max shoulder diameter OR | 237 mm |
| ra max - Max fillet radius | 2,5 mm |
Prodotti correlati
NTN NJ2228