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06:40:20 GMT+0000 (Coordinated Universal Time)
NAO12X28X12
Radial roller bearing
Radial roller bearing NAO
Replaces
NAO 12X28X12
Preferred product
Product information
Main Dimensions & Performance Data
| d | 12 mm | Bore diameter |
| D | 28 mm | Outside diameter |
| B | 12 mm | Width |
| Cr | 11.500 N | Basic dynamic load rating, radial |
| C0r | 12.500 N | Basic static load rating, radial |
| Cur | 1.810 N | Fatigue load limit, radial |
| nG | 22.900 1/min | Limiting speed |
| nG Grease | 13.800 1/min | Limiting speed for grease lubrication |
| nϑr | 14.300 1/min | Reference speed |
| ≈m | 38,72 g | Weight |
Mounting dimensions
| ra max | 0,3 mm | Maximum recess radius |
| da | 15,7 mm | Mounting dimension |
| db | 21,6 mm | Shoulder diameter axial guidance NK/shaft |
| Da | 22,3 mm | Shoulder diameter outer ring |
| Db | 16,4 mm | Shoulder diameter axial guidance NK/housing |
Dimensions
| rmin | 0,3 mm | Minimum chamfer dimension |
| E | 22 mm | Raceway diameter outer ring |
| F | 16 mm | Raceway diameter inner ring |
| s | 0,5 mm | Axial displacement |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |