NTN
Rodamientos de agujas RNA4907R
Rodamiento NTN RNA4907R, Ø42×55×20 mm. Solicita presupuesto — envío a todo el mundo.
Tipo Rodamientos de agujas
Dimensiones
Ø 42 × 55 × 20 mm
d42Ø interior (mm)
×
D55Ø exterior (mm)
×
B20Ancho (mm)
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Disponible
Especificaciones técnicas
| Brand | NTN |
| Fw - Under rollers diameter | 42 mm |
| D - External diameter | 55 mm |
| C - Width of bearing, drawn cup or outer ring | 20 mm |
| rs - Min fillet radius | 0,6 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 3 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,107 kg |
| Cr - Dynamic load rating | 32000000 mN |
| C0r - Static load rating | 50000000 mN |
| N lim - Grease lubrication limit speed | 39000 °/s |
| N lim - Oil lubrication limit speed | 57000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| Da max - Max shoulder diameter OR | 51 mm |
| ras max - Max shaft & housing fillet radius | 0,6 mm |
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NTN RNA4907R