NTN
Roulements à rouleaux coniques 4T-495A/493
Roulement NTN 4T-495A/493, Ø76.2×136.525×29.769 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 76,2 × 136,525 × 29,769 mm
d76,2Ø alésage (mm)
×
D136,525Ø extérieur (mm)
×
B29,769Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 76,2 mm |
| D - External diameter | 136,525 mm |
| B - Bearing/Inner ring width | 29,769 mm |
| C - Outer ring width | 22,225 mm |
| T - Total width | 30,162 mm |
| d1 - External diameter inner ring | 109,5 mm |
| a - Charge load application point | 29,462 mm |
| Mass | 1,83 kg |
| C - Dynamic load | 143000000 mN |
| C0 - Static load | 189000000 mN |
| Cu - Fatigue limit load | 22400000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.44 |
| Y0 - Static axial load coefficient | 0.74 |
| Y2 - Upper axial load coefficient | 1.35 |
| N lim - Oil lubrication limit speed | 21000 °/s |
| N lim - Grease lubrication limit speed | 15600 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 86 mm |
| db min - Min IR shoulder diameter | 92 mm |
| Da max - Max shoulder diameter OR | 122 mm |
| Db min - Min OR shoulder diameter | 130 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-495A |
| Cup designation | 4T-493 |
Produits associés
NTN 4T-495A/493