NTN
Roulements à rouleaux coniques 4T-47490/47420
Roulement NTN 4T-47490/47420, Ø71.438×120×32.545 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 71,438 × 120 × 32,545 mm
d71,438Ø alésage (mm)
×
D120Ø extérieur (mm)
×
B32,545Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 71,438 mm |
| D - External diameter | 120 mm |
| B - Bearing/Inner ring width | 32,545 mm |
| C - Outer ring width | 26,195 mm |
| T - Total width | 32,545 mm |
| d1 - External diameter inner ring | 95 mm |
| a - Charge load application point | 26,445 mm |
| Mass | 1,42 kg |
| C - Dynamic load | 163000000 mN |
| C0 - Static load | 214000000 mN |
| Cu - Fatigue limit load | 26100000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.36 |
| Y0 - Static axial load coefficient | 0.92 |
| Y2 - Upper axial load coefficient | 1.67 |
| N lim - Oil lubrication limit speed | 24000 °/s |
| N lim - Grease lubrication limit speed | 18000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 79 mm |
| db min - Min IR shoulder diameter | 86 mm |
| Da max - Max shoulder diameter OR | 107 mm |
| Db min - Min OR shoulder diameter | 114 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-47490 |
| Cup designation | 4T-47420 |
NTN 4T-47490/47420