NTN
Roulements à aiguilles RNA4902R
Roulement NTN RNA4902R, Ø20×28×13 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 20 × 28 × 13 mm
d20Ø alésage (mm)
×
D28Ø extérieur (mm)
×
B13Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| Fw - Under rollers diameter | 20 mm |
| D - External diameter | 28 mm |
| C - Width of bearing, drawn cup or outer ring | 13 mm |
| rs - Min fillet radius | 0,3 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 2,5 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,022 kg |
| Cr - Dynamic load rating | 10300000 mN |
| C0r - Static load rating | 12800000 mN |
| N lim - Grease lubrication limit speed | 78000 °/s |
| N lim - Oil lubrication limit speed | 120000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| Da max - Max shoulder diameter OR | 26 mm |
| ras max - Max shaft & housing fillet radius | 0,3 mm |
Produits associés
NTN RNA4902R