NTN
Roulements à rouleaux coniques 4T-30204
Roulement NTN 4T-30204, Ø20×47×14 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 20 × 47 × 14 mm
d20Ø alésage (mm)
×
D47Ø extérieur (mm)
×
B14Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 20 mm |
| D - External diameter | 47 mm |
| B - Bearing/Inner ring width | 14 mm |
| C - Outer ring width | 12 mm |
| T - Total width | 15,25 mm |
| d1 - External diameter inner ring | 33,5 mm |
| a - Charge load application point | 11,5 mm |
| rs - Min fillet radius | 1 mm |
| r1s - Min fillet radius | 1 mm |
| Mass | 0,124 kg |
| ISO 355 reference | T2DB020 |
| C - Dynamic load | 31000000 mN |
| C0 - Static load | 28700000 mN |
| Cu - Fatigue limit load | 3500000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.35 |
| Y0 - Static axial load coefficient | 0.96 |
| Y2 - Upper axial load coefficient | 1.74 |
| N lim - Oil lubrication limit speed | 72000 °/s |
| N lim - Grease lubrication limit speed | 52800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 27 mm |
| db min - Min IR shoulder diameter | 25,5 mm |
| Da min - Min shoulder diameter OR | 40 mm |
| Da max - Max shoulder diameter OR | 41,5 mm |
| Db min - Min OR shoulder diameter | 44 mm |
| Ca - Min clearance | 2 mm |
| Cb - Min clearance | 3 mm |
| ra max - Max fillet radius | 1 mm |
| r1a - Max fillet radius | 1 mm |
Produits associés
NTN 4T-30204