NTN
Roulements à rouleaux coniques 4T-02474/02420
Roulement NTN 4T-02474/02420, Ø28.575×68.262×22.225 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 28,575 × 68,262 × 22,225 mm
d28,575Ø alésage (mm)
×
D68,262Ø extérieur (mm)
×
B22,225Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 28,575 mm |
| D - External diameter | 68,262 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 | 49,5 mm |
| a - Charge load application point | 17,025 mm |
| Mass | 0,41 kg |
| C - Dynamic load | 63000000 mN |
| C0 - Static load | 67000000 mN |
| Cu - Fatigue limit load | 8200000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.42 |
| Y0 - Static axial load coefficient | 0.79 |
| Y2 - Upper axial load coefficient | 1.44 |
| N lim - Oil lubrication limit speed | 46200 °/s |
| N lim - Grease lubrication limit speed | 34800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 36 mm |
| db min - Min IR shoulder diameter | 36,5 mm |
| Da max - Max shoulder diameter OR | 59 mm |
| Db min - Min OR shoulder diameter | 63 mm |
| ra max - Max fillet radius | 0,8 mm |
| r1a - Max fillet radius | 1,5 mm |
| Cone designation | 4T-02474 |
| Cup designation | 4T-02420 |
Produits associés
NTN 4T-02474/02420