NTN
Roulements à rouleaux coniques 4T-18790/18720
Roulement NTN 4T-18790/18720, Ø50.8×85×17.462 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 50,8 × 85 × 17,462 mm
d50,8Ø alésage (mm)
×
D85Ø extérieur (mm)
×
B17,462Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 50,8 mm |
| D - External diameter | 85 mm |
| B - Bearing/Inner ring width | 17,462 mm |
| C - Outer ring width | 13,495 mm |
| T - Total width | 17,462 mm |
| d1 - External diameter inner ring | 67 mm |
| a - Charge load application point | 16,662 mm |
| Mass | 0,375 kg |
| C - Dynamic load | 55000000 mN |
| C0 - Static load | 65000000 mN |
| Cu - Fatigue limit load | 7900000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.41 |
| Y0 - Static axial load coefficient | 0.81 |
| Y2 - Upper axial load coefficient | 1.48 |
| N lim - Oil lubrication limit speed | 33600 °/s |
| N lim - Grease lubrication limit speed | 25200 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 56 mm |
| db min - Min IR shoulder diameter | 62 mm |
| Da max - Max shoulder diameter OR | 77 mm |
| Db min - Min OR shoulder diameter | 80 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 1,5 mm |
| Cone designation | 4T-18790 |
| Cup designation | 4T-18720 |
Produits associés
NTN 4T-18790/18720