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NA4911-XL
Needle roller bearing
Needle roller bearing NA49..-XL, single row, with inner ring, outer ring with 2 bords
Replaces
NA4911
Main Dimensions & Performance Data
| d | 55 mm | Bore diameter |
| D | 80 mm | Outside diameter |
| B | 25 mm | Width |
| Cr | 65,000 N | Basic dynamic load rating, radial |
| C0r | 100,000 N | Basic static load rating, radial |
| Cur | 17,600 N | Fatigue load limit, radial |
| nG | 7,200 1/min | Limiting speed |
| nϑr | 4,000 1/min | Reference speed |
| ≈m | 406.81 g | Weight |
Dimensions
| F | 63 mm | Raceway diameter inner ring |
| rmin | 1 mm | Minimum chamfer dimension |
| s | 1.5 mm | Axial displacement |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |