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NA4909-2RSR-XL
Needle roller bearing
Needle roller bearings NA49..-2RSR, dimension series 49, lip seals on both sides
구자재
NA4909-2RSR
제품 정보
Main Dimensions & Performance Data
| d | 45 mm | Bore diameter |
| D | 68 mm | Outside diameter |
| B | 23 mm | Width, inner ring |
| Cr | 43,000 N | Basic dynamic load rating, radial |
| C0r | 59,000 N | Basic static load rating, radial |
| Cur | 9,900 N | Fatigue load limit, radial |
| nG Grease | 5,200 1/min | Limiting speed for grease lubrication |
| ≈m | 283.84 g | 중량 |
Dimensions
| F | 52 mm | Raceway diameter inner ring |
| C | 22 mm | Width, outer ring |
| rmin | 0.6 mm | Minimum chamfer dimension |
Temperature range
| Tmin | -20 °C | Operating temperature min. |
| Tmax | 100 °C | Operating temperature max. |