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BK0808
Drawn cup needle roller bearing closed end
Drawn cup needle roller bearings with closed end BK, to DIN 618/ISO 3245
Preferred product
Product information
Main Dimensions & Performance Data
| Fw | 8 mm | Under roller diameter |
| D | 12 mm | Outside diameter |
| C | 8 mm | Width, outer ring |
| Cr | 2.750 N | Basic dynamic load rating, radial |
| C0r | 2.600 N | Basic static load rating, radial |
| Cur | 300 N | Fatigue load limit, radial |
| nG Grease | 17.700 1/min | Limiting speed for grease lubrication |
| nG | 29.500 1/min | Limiting speed |
| nϑr | 23.800 1/min | Reference speed |
| ≈m | 2,81 g | Weight |
Dimensions
| rmin | 0,4 mm | Minimum chamfer dimension |
| Ct min | 6,4 mm | Minimum width to base of drawn cup with closed end |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 140 °C | Operating temperature max. |
Additional information
G8X12X3 | Sealing ring 2 |