NTN
Roulements à rouleaux coniques 4T-42687/42620
Roulement NTN 4T-42687/42620, Ø76.2×127×31 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 76,2 × 127 × 31 mm
d76,2Ø alésage (mm)
×
D127Ø extérieur (mm)
×
B31Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 76,2 mm |
| D - External diameter | 127 mm |
| B - Bearing/Inner ring width | 31 mm |
| C - Outer ring width | 22,225 mm |
| T - Total width | 30,162 mm |
| d1 - External diameter inner ring | 102 mm |
| a - Charge load application point | 27,362 mm |
| rs - Min fillet radius | 3,5 mm |
| r1s - Min fillet radius | 3,3 mm |
| Mass | 1,46 kg |
| C - Dynamic load | 150000000 mN |
| C0 - Static load | 194000000 mN |
| Cu - Fatigue limit load | 23500000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.42 |
| Y0 - Static axial load coefficient | 0.79 |
| Y2 - Upper axial load coefficient | 1.43 |
| N lim - Oil lubrication limit speed | 22200 °/s |
| N lim - Grease lubrication limit speed | 16800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 84 mm |
| db min - Min IR shoulder diameter | 90 mm |
| Da max - Max shoulder diameter OR | 114 mm |
| Db min - Min OR shoulder diameter | 121 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
| Cone designation | 4T-42687 |
| Cup designation | 4T-42620 |
Produits associés
NTN 4T-42687/42620