NTN
Roulements à aiguilles RNA4940
Roulement NTN RNA4940, Ø225×280×80 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 225 × 280 × 80 mm
d225Ø alésage (mm)
×
D280Ø extérieur (mm)
×
B80Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| Fw - Under rollers diameter | 225 mm |
| D - External diameter | 280 mm |
| C - Width of bearing, drawn cup or outer ring | 80 mm |
| rs - Min fillet radius | 2,1 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 4 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 7,2 kg |
| Cr - Dynamic load rating | 505000000 mN |
| C0r - Static load rating | 1180000000 mN |
| N lim - Grease lubrication limit speed | 7200 °/s |
| N lim - Oil lubrication limit speed | 10800 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| Da max - Max shoulder diameter OR | 269 mm |
| ras max - Max shaft & housing fillet radius | 2 mm |
Produits associés
NTN RNA4940