NTN
Roulements à aiguilles NA4928
Roulement NTN NA4928, Ø140×190×17 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 140 × 190 × 17 mm
d140Ø alésage (mm)
×
D190Ø extérieur (mm)
×
B17Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 140 mm |
| D - External diameter | 190 mm |
| C - Width of bearing, drawn cup or outer ring | 50 mm |
| F - Under roller diameter | 160 mm |
| rs - Min fillet radius | 1,5 mm |
| s - Max axial offset | 1,5 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 3,5 mm |
| Lubrication hole on inner ring | Non/No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 4,05 kg |
| Cr - Dynamic load rating | 209000000 mN |
| C0r - Static load rating | 485000000 mN |
| N lim - Grease lubrication limit speed | 10200 °/s |
| N lim - Oil lubrication limit speed | 15000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 148 mm |
| Da max - Max shoulder diameter OR | 182 mm |
| ras max - Max shaft & housing fillet radius | 1,5 mm |
Produits associés
NTN NA4928