NTN
Roulements à rouleaux coniques 32228U
Roulement NTN 32228U, Ø140×250×68 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rouleaux coniques
Dimensions
Ø 140 × 250 × 68 mm
d140Ø alésage (mm)
×
D250Ø extérieur (mm)
×
B68Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 140 mm |
| D - External diameter | 250 mm |
| B - Bearing/Inner ring width | 68 mm |
| C - Outer ring width | 58 mm |
| T - Total width | 71,75 mm |
| d1 - External diameter inner ring | 193 mm |
| a - Charge load application point | 61 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 3 mm |
| Mass | 14,2 kg |
| ISO 355 reference | T4FD140 |
| C - Dynamic load | 675000000 mN |
| C0 - Static load | 920000000 mN |
| Cu - Fatigue limit load | 92000000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.44 |
| Y0 - Static axial load coefficient | 0.76 |
| Y2 - Upper axial load coefficient | 1.38 |
| N lim - Oil lubrication limit speed | 11400 °/s |
| N lim - Grease lubrication limit speed | 8400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 158 mm |
| db min - Min IR shoulder diameter | 158 mm |
| Da min - Min shoulder diameter OR | 210 mm |
| Da max - Max shoulder diameter OR | 236 mm |
| Db min - Min OR shoulder diameter | 238 mm |
| Ca - Min clearance | 9 mm |
| Cb - Min clearance | 13,5 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 2,5 mm |
Produits associés
NTN 32228U