NTN
Roulements à rouleaux coniques 4T-3188/3120
Roulement NTN 4T-3188/3120, Ø31.75×72.626×29.997 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 31,75 × 72,626 × 29,997 mm
d31,75Ø alésage (mm)
×
D72,626Ø extérieur (mm)
×
B29,997Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 31,75 mm |
| D - External diameter | 72,626 mm |
| B - Bearing/Inner ring width | 29,997 mm |
| C - Outer ring width | 23,812 mm |
| T - Total width | 30,162 mm |
| d1 - External diameter inner ring | 51 mm |
| a - Charge load application point | 20,262 mm |
| Mass | 0,606 kg |
| C - Dynamic load | 93500000 mN |
| C0 - Static load | 98000000 mN |
| Cu - Fatigue limit load | 12000000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.33 |
| Y0 - Static axial load coefficient | 0.99 |
| Y2 - Upper axial load coefficient | 1.8 |
| N lim - Oil lubrication limit speed | 43800 °/s |
| N lim - Grease lubrication limit speed | 33000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 39,5 mm |
| db min - Min IR shoulder diameter | 40 mm |
| Da max - Max shoulder diameter OR | 61 mm |
| Db min - Min OR shoulder diameter | 67 mm |
| ra max - Max fillet radius | 0,8 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-3188 |
| Cup designation | 4T-3120 |
NTN 4T-3188/3120