NTN
Cuscinetti a rulli conici 4T-LM12749/LM12711
Cuscinetto NTN 4T-LM12749/LM12711, Ø21.986×45.974×16.637 mm. Richiedi offerta — spedizione in tutto il mondo.
Tipo Cuscinetti a rulli conici
Dimensioni
Ø 21,986 × 45,974 × 16,637 mm
d21,986Ø foro (mm)
×
D45,974Ø esterno (mm)
×
B16,637Larghezza (mm)
Richiesta offerta
Disponibile
Specifiche tecniche
| Brand | NTN |
| d - Internal diameter | 21,986 mm |
| D - External diameter | 45,974 mm |
| B - Bearing/Inner ring width | 16,637 mm |
| C - Outer ring width | 12,065 mm |
| T - Total width | 15,494 mm |
| d1 - External diameter inner ring | 34 mm |
| a - Charge load application point | 10,094 mm |
| rs - Min fillet radius | 1,3 mm |
| r1s - Min fillet radius | 1,3 mm |
| Mass | 0,123 kg |
| C - Dynamic load | 29600000 mN |
| C0 - Static load | 34000000 mN |
| Cu - Fatigue limit load | 4150000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.31 |
| Y0 - Static axial load coefficient | 1.08 |
| Y2 - Upper axial load coefficient | 1.96 |
| N lim - Oil lubrication limit speed | 66000 °/s |
| N lim - Grease lubrication limit speed | 50400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 26 mm |
| db min - Min IR shoulder diameter | 27,5 mm |
| Da max - Max shoulder diameter OR | 40 mm |
| Db min - Min OR shoulder diameter | 42,5 mm |
| ra max - Max fillet radius | 1,3 mm |
| r1a - Max fillet radius | 1,3 mm |
| Cone designation | 4T-LM12749 |
| Cup designation | 4T-LM12711 |
Prodotti correlati
NTN 4T-LM12749/LM12711