NTN
Roulements à aiguilles NK45/20R+1R40X45X20
Roulement NTN NK45/20R+1R40X45X20. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 40 × 55 × 0 mm
d40Ø alésage (mm)
×
D55Ø extérieur (mm)
×
B0Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 40 mm |
| D - External diameter | 55 mm |
| C - Width of bearing, drawn cup or outer ring | 20 mm |
| F - Under roller diameter | 45 mm |
| rs - Min fillet radius | 0,3 mm |
| s - Max axial offset | 0,5 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 3 mm |
| Inner ring reference | 1R40X45X20 |
| Lubrication hole on inner ring | Non/No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,143 kg |
| Cr - Dynamic load rating | 28000000 mN |
| C0r - Static load rating | 52500000 mN |
| N lim - Grease lubrication limit speed | 36000 °/s |
| N lim - Oil lubrication limit speed | 54000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 42 mm |
| Da max - Max shoulder diameter OR | 53 mm |
| ras max - Max shaft & housing fillet radius | 0,3 mm |
Produits associés
NTN NK45/20R+1R40X45X20