NTN
Roulements à rouleaux coniques 4T-02878/02820
Roulement NTN 4T-02878/02820, Ø34.925×73.025×22.225 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 34,925 × 73,025 × 22,225 mm
d34,925Ø alésage (mm)
×
D73,025Ø extérieur (mm)
×
B22,225Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 34,925 mm |
| D - External diameter | 73,025 mm |
| B - Bearing/Inner ring width | 22,225 mm |
| C - Outer ring width | 17,462 mm |
| T - Total width | 22,225 mm |
| d1 - External diameter inner ring | 54,2 mm |
| a - Charge load application point | 18,325 mm |
| Mass | 0,426 kg |
| C - Dynamic load | 62500000 mN |
| C0 - Static load | 68000000 mN |
| Cu - Fatigue limit load | 8300000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.45 |
| Y0 - Static axial load coefficient | 0.73 |
| Y2 - Upper axial load coefficient | 1.32 |
| N lim - Oil lubrication limit speed | 42000 °/s |
| N lim - Grease lubrication limit speed | 31800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 42 mm |
| db min - Min IR shoulder diameter | 42,5 mm |
| Da max - Max shoulder diameter OR | 62 mm |
| Db min - Min OR shoulder diameter | 68 mm |
| ra max - Max fillet radius | 0,8 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-02878 |
| Cup designation | 4T-02820 |
Produits associés
NTN 4T-02878/02820