NTN
Roulements à aiguilles NK47/30R+1R42X47X30
Roulement NTN NK47/30R+1R42X47X30. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 42 × 57 × 0 mm
d42Ø alésage (mm)
×
D57Ø extérieur (mm)
×
B0Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 42 mm |
| D - External diameter | 57 mm |
| C - Width of bearing, drawn cup or outer ring | 30 mm |
| F - Under roller diameter | 47 mm |
| rs - Min fillet radius | 0,3 mm |
| s - Max axial offset | 1 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 3 mm |
| Inner ring reference | 1R42X47X30 |
| Lubrication hole on inner ring | Non/No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,222 kg |
| Cr - Dynamic load rating | 42500000 mN |
| C0r - Static load rating | 91500000 mN |
| N lim - Grease lubrication limit speed | 33000 °/s |
| N lim - Oil lubrication limit speed | 51000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 44 mm |
| Da max - Max shoulder diameter OR | 55 mm |
| ras max - Max shaft & housing fillet radius | 0,3 mm |
Produits associés
NTN NK47/30R+1R42X47X30