NTN
Roulements à rouleaux coniques 4T-30305D
Roulement NTN 4T-30305D, Ø25×62×17 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 25 × 62 × 17 mm
d25Ø alésage (mm)
×
D62Ø extérieur (mm)
×
B17Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 25 mm |
| D - External diameter | 62 mm |
| B - Bearing/Inner ring width | 17 mm |
| C - Outer ring width | 13 mm |
| T - Total width | 18,25 mm |
| d1 - External diameter inner ring | 46 mm |
| a - Charge load application point | 20 mm |
| rs - Min fillet radius | 1,5 mm |
| r1s - Min fillet radius | 1,5 mm |
| Mass | 0,266 kg |
| ISO 355 reference | T7FB025 |
| C - Dynamic load | 45000000 mN |
| C0 - Static load | 43500000 mN |
| Cu - Fatigue limit load | 5300000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.83 |
| Y0 - Static axial load coefficient | 0.4 |
| Y2 - Upper axial load coefficient | 0.73 |
| N lim - Oil lubrication limit speed | 46800 °/s |
| N lim - Grease lubrication limit speed | 35400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 34 mm |
| db min - Min IR shoulder diameter | 33,5 mm |
| Da min - Min shoulder diameter OR | 45,5 mm |
| Da max - Max shoulder diameter OR | 53,5 mm |
| Db min - Min OR shoulder diameter | 58,5 mm |
| Ca - Min clearance | 3 mm |
| Cb - Min clearance | 5 mm |
| ra max - Max fillet radius | 1,5 mm |
| r1a - Max fillet radius | 1,5 mm |
Produits associés
NTN 4T-30305D