NTN
Rodamientos de agujas NA4905R
Rodamiento NTN NA4905R, Ø25×42×17 mm. Solicita presupuesto — envío a todo el mundo.
Tipo Rodamientos de agujas
Dimensiones
Ø 25 × 42 × 17 mm
d25Ø interior (mm)
×
D42Ø exterior (mm)
×
B17Ancho (mm)
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Disponible
Especificaciones técnicas
| Brand | NTN |
| d - Internal diameter | 25 mm |
| D - External diameter | 42 mm |
| C - Width of bearing, drawn cup or outer ring | 17 mm |
| F - Under roller diameter | 30 mm |
| rs - Min fillet radius | 0,3 mm |
| s - Max axial offset | 0,8 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 2,5 mm |
| Lubrication hole on inner ring | Non/No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,088 kg |
| Cr - Dynamic load rating | 24000000 mN |
| C0r - Static load rating | 31500000 mN |
| N lim - Grease lubrication limit speed | 51000 °/s |
| N lim - Oil lubrication limit speed | 78000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 27 mm |
| Da max - Max shoulder diameter OR | 40 mm |
| ras max - Max shaft & housing fillet radius | 0,3 mm |
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NTN NA4905R