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Estados Unidos da América
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NU248-E-TB-M1
Cylindrical roller bearing
Cylindrical roller bearing NU20..-E-XL-M1, with cage, single row, non-locating bearing, 2 ribs on outer ring, 0 ribs on inner ring (smooth), type NU, Running accuracy in P6
Informação do produto
Métrico
Imperial
Main Dimensions & Performance Data
| d | 240 mm | Bore diameter |
| D | 440 mm | Outside diameter |
| B | 72 mm | Width |
| Cr | 1.140.000 N | Basic dynamic load rating, radial |
| C0r | 1.610.000 N | Basic static load rating, radial |
| Cur | 124.000 N | Fatigue load limit, radial |
| nG | 2.320 1/min | Limiting speed |
| nϑr | 1.220 1/min | Reference speed |
| ≈m | 51,15 kg | Peso |
Mounting dimensions
| da min | 257 mm | Minimum diameter shaft shoulder |
| da max | 290 mm | Maximum diameter of shaft shoulder |
| db min | 296 mm | Minimum shaft shoulder |
| Da max | 423 mm | Maximum diameter of housing shoulder |
| ra max | 3 mm | Maximum recess radius |
| ra1 max | 3 mm | Maximum recess radius |
Dimensions
| rmin | 4 mm | Minimum chamfer dimension |
| r1 min | 4 mm | Minimum chamfer dimension |
| s | 6 mm | Axial displacement |
| E | 393 mm | Raceway diameter outer ring |
| F | 293 mm | Raceway diameter inner ring |
| D1 min | 373 mm | Minimum rib diameter outer ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |