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NK12/12-XL
Needle roller bearing
Needle roller bearings NK, light series
Replaces
NK12/12
Preferred product
Main Dimensions & Performance Data
| Fw | 12 mm | Under roller diameter |
| D | 19 mm | Outside diameter |
| C | 12 mm | Width, outer ring |
| Cr | 7.200 N | Basic dynamic load rating, radial |
| C0r | 7.100 N | Basic static load rating, radial |
| Cur | 1.310 N | Fatigue load limit, radial |
| nG | 26.500 1/min | Limiting speed |
| nϑr | 22.400 1/min | Reference speed |
| ≈m | 11,68 g | Weight |
Dimensions
| rmin | 0,3 mm | Minimum chamfer dimension |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Additional information
G12X19X3 | Sealing ring | |
SD12X19X3 | Sealing ring 2 |