KOYO
Roulements à aiguilles NK47/20
Bearing KOYO NK47/20, Ø47×57×20 mm. Request a quote — worldwide shipping.
Type Roulements à aiguilles
Dimensions
Ø 47 × 57 × 20 mm
d47Ø alésage (mm)
×
D57Ø extérieur (mm)
×
B20Largeur (mm)
Demande de devis
Spécifications techniques
| Fw | 47 mm |
| D | 57 mm |
| C | 20 mm |
| r(min.) | 0.3 mm |
| Basic load ratings : Cr | 30.0 kN |
| Basic load ratings : C0r | 58.5 kN |
| Fatigue load limit : Cu | 9.30 kN |
| Limiting speeds(Grease lub.) | 5900 min-1 |
| Limiting speeds(Oil lub.) | 9000 min-1 |
| (Refer.)Mass | 0.104? kg |
KOYO NK47/20