NTN
Cuscinetti obliqui a sfere 7228B
Cuscinetto NTN 7228B, Ø140×250×42 mm. Richiedi offerta — spedizione in tutto il mondo.
Tipo Cuscinetti obliqui a sfere
Dimensioni
Ø 140 × 250 × 42 mm
d140Ø foro (mm)
×
D250Ø esterno (mm)
×
B42Larghezza (mm)
Richiesta offerta
Disponibile
Specifiche tecniche
| Brand | NTN |
| d - Internal diameter | 140 mm |
| D - External diameter | 250 mm |
| B - Bearing/Inner ring width | 42 mm |
| a - Charge load application point | 103 mm |
| rs - Min fillet radius | 3 mm |
| r1s - Min fillet radius | 1,1 mm |
| Radial clearance class | CN |
| Mass | 8,78 kg |
| C - Dynamic load | 203000000 mN |
| C0 - Static load | 195000000 mN |
| Cu - Fatigue limit load | 10100000 mN |
| N lim - Oil lubrication limit speed | 18600 °/s |
| N lim - Grease lubrication limit speed | 13800 °/s |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 154 mm |
| Da max - Max shoulder diameter OR | 236 mm |
| Db max - Max OR shoulder diameter | 243 mm |
| r1a - Max fillet radius | 1 mm |
| ra max - Max shaft & housing fillet radius | 2,5 mm |
NTN 7228B