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BK3038-ZW
Drawn cup needle roller bearing closed end
Drawn cup needle roller bearings with closed end BK, to DIN 618/ISO 3245
Main Dimensions & Performance Data
| Fw | 30 mm | Under roller diameter |
| D | 37 mm | Outside diameter |
| C | 38 mm | Width, outer ring |
| Cr | 37,500 N | Basic dynamic load rating, radial |
| C0r | 79,000 N | Basic static load rating, radial |
| Cur | 10,300 N | Fatigue load limit, radial |
| nG | 8,600 1/min | Limiting speed |
| nϑr | 6,200 1/min | Reference speed |
| ≈m | 84 g | 중량 |
Dimensions
| rmin | 0.8 mm | Minimum chamfer dimension |
| Ct min | 35.3 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
LR25X30X38,5 | Suitable inner rings LR | |
IR25X30X38,5-XL | Suitable inner rings IR |
