NTN
Roulements à aiguilles NA4910R
Roulement NTN NA4910R, Ø50×72×22 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 50 × 72 × 22 mm
d50Ø alésage (mm)
×
D72Ø extérieur (mm)
×
B22Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 50 mm |
| D - External diameter | 72 mm |
| C - Width of bearing, drawn cup or outer ring | 22 mm |
| F - Under roller diameter | 58 mm |
| rs - Min fillet radius | 0,6 mm |
| s - Max axial offset | 1 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 3 mm |
| Lubrication hole on inner ring | Non/No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,276 kg |
| Cr - Dynamic load rating | 48000000 mN |
| C0r - Static load rating | 80000000 mN |
| N lim - Grease lubrication limit speed | 28200 °/s |
| N lim - Oil lubrication limit speed | 42000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 54 mm |
| Da max - Max shoulder diameter OR | 68 mm |
| ras max - Max shaft & housing fillet radius | 0,6 mm |
Produits associés
NTN NA4910R