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22:36:54 GMT+0000 (Coordinated Universal Time)
NNU4964-S-K-M-SP
Cylindrical roller bearing
Super precision cylindrical roller bearings NNU49..-S-K-M-SP, non-locating bearing, double row, with tapered bore, taper 1:12, separable, with cage
Preferred product
Product information
Main Dimensions & Performance Data
| d | 320 mm | Bore diameter |
| D | 440 mm | Diámetro exterior |
| B | 118 mm | Anchura |
| Cr | 1.070.000 N | Basic dynamic load rating, radial |
| C0r | 2.550.000 N | Basic static load rating, radial |
| Cur | 275.000 N | Límite de carga por fatiga, radial |
| nG Grease | 1.670 1/min | Velocidad límite de rotación para lubricación con grasa |
| nG Oil | 1.960 1/min | Velocidad límite de rotación para lubricación con aceite |
| ≈m | 51,41 kg | Weight |
Mounting dimensions
| da | 356 mm | Diameter shaft shoulder |
h12 | Diameter shaft shoulder tolerance | |
| Da | 409 mm | Diameter of housing shoulder |
H12 | Diameter of housing shoulder tolerance | |
| ra1 max | 2,5 mm | Radio máximo de la ranura |
Dimensions
| r1 min | 3 mm | Medidas mínimas del chaflán |
| F | 359 mm | Diámetro de la pista de rodadura del anillo interior |
| ns | 17,7 mm | Anchura de la ranura de lubricación |
| ds | 9,5 mm | Diámetro del agujero de engrase |
| s | 6,3 mm | Axial displacement |
Temperature range
| Tmin | -30 °C | Temperatura mín. de funcionamiento |
| Tmax | 150 °C | Temperatura máx. de funcionamiento |