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NA4904-2RSR-XL
Needle roller bearing
Needle roller bearings NA49..-2RSR, dimension series 49, lip seals on both sides
Replaces
NA4904-2RSR
Preferred product
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d | 20 mm | Bore diameter |
| D | 37 mm | Outside diameter |
| B | 18 mm | Width, inner ring |
| Cr | 19.500 N | Basic dynamic load rating, radial |
| C0r | 19.900 N | Basic static load rating, radial |
| Cur | 3.800 N | Fatigue load limit, radial |
| nG Grease | 10.100 1/min | Limiting speed for grease lubrication |
| ≈m | 79 g | Weight |
Dimensions
| F | 25 mm | Raceway diameter inner ring |
| C | 17 mm | Width, outer ring |
| rmin | 0,3 mm | Minimum chamfer dimension |
Temperature range
| Tmin | -20 °C | Operating temperature min. |
| Tmax | 100 °C | Operating temperature max. |