NTN
Roulements à rotule sur rouleaux 23280BKC3
Roulement NTN 23280BKC3, Ø400×720×256 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à rotule sur rouleaux
Dimensions
Ø 400 × 720 × 256 mm
d400Ø alésage (mm)
×
D720Ø extérieur (mm)
×
B256Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 400 mm |
| D - External diameter | 720 mm |
| B - Bearing/Inner ring width | 256 mm |
| d2 - External diameter inner ring | 0 mm |
| D1 - Inner diameter outer ring | 611,1 mm |
| rs - Min fillet radius | 6 mm |
| Number of lubrication holes | 8 |
| b - Groove width | 33 mm |
| k - Hole diameter | 20 mm |
| Associated sleeve reference | H3280 |
| Radial clearance class | C3 |
| Mass | 443 kg |
| C - Dynamic load | 6500000000 mN |
| C0 - Static load | 10600000000 mN |
| Cu - Fatigue limit load | 740000000 mN |
| e - Coefficient | 0.37 |
| Y0 - Static axial load coefficient | 1.77 |
| Y1 - Lower axial load coefficient | 1.81 |
| Y2 - Upper axial load coefficient | 2.69 |
| N lim - Oil lubrication limit speed | 3120 °/s |
| N lim - Grease lubrication limit speed | 2400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 426 mm |
| db - Min diameter for Sleeve | 427 mm |
| Ce - Min length fro Sleeve | 15 mm |
| Da max - Max shoulder diameter OR | 694 mm |
| ra max - Max shaft & housing fillet radius | 5 mm |
Produits associés
NTN 23280BKC3