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16:47:22 GMT+0000 (Coordinated Universal Time)
HK0408
Drawn cup needle roller bearing open end
Drawn cup needle roller bearings with open ends HK, to DIN 618/ISO 3245
Main Dimensions & Performance Data
| Fw | 4 mm | Under roller diameter |
| D | 8 mm | Outside diameter |
| C | 8 mm | Width |
| Cr | 1,780 N | Basic dynamic load rating, radial |
| C0r | 1,310 N | Basic static load rating, radial |
| Cur | 147 N | Fatigue load limit, radial |
| nG | 42,500 1/min | Limiting speed |
| nG Grease | 25,500 1/min | Limiting speed for grease lubrication |
| nϑr | 44,500 1/min | Reference speed |
| ≈m | 1.4 g | 중량 |
Dimensions
| C1 | 8 mm | Width, outer ring |
| rmin | 0.4 mm | Minimum chamfer dimension |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 140 °C | Operating temperature max. |
Additional information
GR4X8X2 | Sealing ring |
