NTN
Roulements à rouleaux coniques 4T-68462/68712
Roulement NTN 4T-68462/68712, Ø117.475×180.975×31.75 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 117,475 × 180,975 × 31,75 mm
d117,475Ø alésage (mm)
×
D180,975Ø extérieur (mm)
×
B31,75Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 117,475 mm |
| D - External diameter | 180,975 mm |
| B - Bearing/Inner ring width | 31,75 mm |
| C - Outer ring width | 25,4 mm |
| T - Total width | 34,925 mm |
| d1 - External diameter inner ring | 145,5 mm |
| a - Charge load application point | 40,325 mm |
| rs - Min fillet radius | 3,5 mm |
| r1s - Min fillet radius | 3,3 mm |
| Mass | 2,78 kg |
| C - Dynamic load | 169000000 mN |
| C0 - Static load | 245000000 mN |
| Cu - Fatigue limit load | 26600000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.5 |
| Y0 - Static axial load coefficient | 0.66 |
| Y2 - Upper axial load coefficient | 1.21 |
| N lim - Oil lubrication limit speed | 15000 °/s |
| N lim - Grease lubrication limit speed | 11400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 125 mm |
| db min - Min IR shoulder diameter | 132 mm |
| Da max - Max shoulder diameter OR | 163 mm |
| Db min - Min OR shoulder diameter | 172 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-68462 |
| Cup designation | 4T-68712 |
Produits associés
NTN 4T-68462/68712