NTN
Roulements à rouleaux coniques 4T-2580/2523
Roulement NTN 4T-2580/2523, Ø31.75×69.85×25.357 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 31,75 × 69,85 × 25,357 mm
d31,75Ø alésage (mm)
×
D69,85Ø extérieur (mm)
×
B25,357Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 31,75 mm |
| D - External diameter | 69,85 mm |
| B - Bearing/Inner ring width | 25,357 mm |
| C - Outer ring width | 19,05 mm |
| T - Total width | 23,812 mm |
| d1 - External diameter inner ring | 49 mm |
| a - Charge load application point | 14,712 mm |
| Mass | 0,455 kg |
| C - Dynamic load | 76500000 mN |
| C0 - Static load | 81500000 mN |
| Cu - Fatigue limit load | 9900000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.27 |
| Y0 - Static axial load coefficient | 1.21 |
| Y2 - Upper axial load coefficient | 2.19 |
| N lim - Oil lubrication limit speed | 45600 °/s |
| N lim - Grease lubrication limit speed | 34200 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 37,5 mm |
| db min - Min IR shoulder diameter | 38,5 mm |
| Da max - Max shoulder diameter OR | 61 mm |
| Db min - Min OR shoulder diameter | 64 mm |
| ra max - Max fillet radius | 0,8 mm |
| r1a - Max fillet radius | 1,3 mm |
| Cone designation | 4T-2580 |
| Cup designation | 4T-2523 |
Produits associés
NTN 4T-2580/2523