NTN
Roulements à rouleaux coniques 4T-JM738249/JM738210
Roulement NTN 4T-JM738249/JM738210, Ø190×260×44 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 190 × 260 × 44 mm
d190Ø alésage (mm)
×
D260Ø extérieur (mm)
×
B44Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 190 mm |
| D - External diameter | 260 mm |
| B - Bearing/Inner ring width | 44 mm |
| C - Outer ring width | 36,5 mm |
| T - Total width | 46 mm |
| d1 - External diameter inner ring | 227 mm |
| a - Charge load application point | 56,9 mm |
| Mass | 6,84 kg |
| C - Dynamic load | 405000000 mN |
| C0 - Static load | 720000000 mN |
| Cu - Fatigue limit load | 68900000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.48 |
| Y0 - Static axial load coefficient | 0.69 |
| Y2 - Upper axial load coefficient | 1.26 |
| N lim - Oil lubrication limit speed | 9600 °/s |
| N lim - Grease lubrication limit speed | 7200 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 200 mm |
| db min - Min IR shoulder diameter | 206 mm |
| Da max - Max shoulder diameter OR | 242 mm |
| Db min - Min OR shoulder diameter | 252 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 2,5 mm |
| Cone designation | 4T-JM738249 |
| Cup designation | 4T-JM738210 |
Produits associés
NTN 4T-JM738249/JM738210