NTN
Rodamientos de agujas RNA4948
Rodamiento NTN RNA4948, Ø55×320×22 mm. Solicita presupuesto — envío a todo el mundo.
Tipo Rodamientos de agujas
Dimensiones
Ø 55 × 320 × 22 mm
d55Ø interior (mm)
×
D320Ø exterior (mm)
×
B22Ancho (mm)
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Disponible
Especificaciones técnicas
| Brand | NTN |
| Fw - Under rollers diameter | 265 mm |
| D - External diameter | 320 mm |
| C - Width of bearing, drawn cup or outer ring | 80 mm |
| rs - Min fillet radius | 2,1 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 4 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 8,4 kg |
| Cr - Dynamic load rating | 540000000 mN |
| C0r - Static load rating | 1350000000 mN |
| N lim - Grease lubrication limit speed | 6000 °/s |
| N lim - Oil lubrication limit speed | 9000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| Da max - Max shoulder diameter OR | 309 mm |
| ras max - Max shaft & housing fillet radius | 2 mm |
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NTN RNA4948