NTN
Roulements à rouleaux coniques 4T-HH228340/HH228318V4
Roulement NTN 4T-HH228340/HH228318V4, Ø120.65×259.974×82.55 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 120,65 × 259,974 × 82,55 mm
d120,65Ø alésage (mm)
×
D259,974Ø extérieur (mm)
×
B82,55Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 120,65 mm |
| D - External diameter | 259,974 mm |
| B - Bearing/Inner ring width | 82,55 mm |
| C - Outer ring width | 61,912 mm |
| T - Total width | 77,788 mm |
| a - Charge load application point | 54,4 mm |
| rs - Min fillet radius | 9,7 mm |
| r1s - Min fillet radius | 4 mm |
| Mass | 19,42 kg |
| C - Dynamic load | 820000000 mN |
| C0 - Static load | 1070000000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.32 |
| Y0 - Static axial load coefficient | 1.03 |
| Y2 - Upper axial load coefficient | 1.87 |
| N lim - Oil lubrication limit speed | 11400 °/s |
| N lim - Grease lubrication limit speed | 8400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 142 mm |
| db min - Min IR shoulder diameter | 158 mm |
| Da max - Max shoulder diameter OR | 234 mm |
| Db min - Min OR shoulder diameter | 223 mm |
| ra max - Max fillet radius | 9,7 mm |
| r1a - Max fillet radius | 6,4 mm |
Produits associés
NTN 4T-HH228340/HH228318V4