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NAO40X55X17
Radial roller bearing
Radial roller bearing NAO
Replaces
NAO 40X55X17
Frequently bought together
Main Dimensions & Performance Data
| d | 40 mm | Bore diameter |
| D | 55 mm | Outside diameter |
| B | 17 mm | Width |
| Cr | 22,500 N | Basic dynamic load rating, radial |
| C0r | 46,000 N | Basic static load rating, radial |
| Cur | 5,900 N | Fatigue load limit, radial |
| nG | 10,300 1/min | Limiting speed |
| nG Grease | 6,200 1/min | Limiting speed for grease lubrication |
| nϑr | 5,900 1/min | Reference speed |
| ≈m | 0.13 kg | Weight |
Mounting dimensions
| ra max | 0.3 mm | Maximum recess radius |
| da | 44.5 mm | Mounting dimension |
| db | 49.2 mm | Shoulder diameter axial guidance NK/shaft |
| Da | 50.5 mm | Shoulder diameter outer ring |
| Db | 45.6 mm | Shoulder diameter axial guidance NK/housing |
Dimensions
| rmin | 0.3 mm | Minimum chamfer dimension |
| E | 50 mm | Raceway diameter outer ring |
| F | 45 mm | Raceway diameter inner ring |
| s | 0.8 mm | Axial displacement |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
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