NTN
Roulements à rouleaux coniques 4T-LM102949/LM102910
Roulement NTN 4T-LM102949/LM102910, Ø45.242×73.431×19.812 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 45,242 × 73,431 × 19,812 mm
d45,242Ø alésage (mm)
×
D73,431Ø extérieur (mm)
×
B19,812Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 45,242 mm |
| D - External diameter | 73,431 mm |
| B - Bearing/Inner ring width | 19,812 mm |
| C - Outer ring width | 15,748 mm |
| T - Total width | 19,558 mm |
| d1 - External diameter inner ring | 59,5 mm |
| a - Charge load application point | 14,858 mm |
| Mass | 0,309 kg |
| C - Dynamic load | 60000000 mN |
| C0 - Static load | 76000000 mN |
| Cu - Fatigue limit load | 9300000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.31 |
| Y0 - Static axial load coefficient | 1.08 |
| Y2 - Upper axial load coefficient | 1.97 |
| N lim - Oil lubrication limit speed | 38400 °/s |
| N lim - Grease lubrication limit speed | 28800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 50 mm |
| db min - Min IR shoulder diameter | 56 mm |
| Da max - Max shoulder diameter OR | 68 mm |
| Db min - Min OR shoulder diameter | 70 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 0,8 mm |
| Cone designation | 4T-LM102949 |
| Cup designation | 4T-LM102910 |
NTN 4T-LM102949/LM102910