Select a different country or region to see content for your location.
United States
06:40:35 GMT+0000 (Coordinated Universal Time)
NA4904-XL
Needle roller bearing
Needle roller bearing NA49..-XL, single row, with inner ring, outer ring with 2 bords
Replaces
NA4904
Product information
Main Dimensions & Performance Data
| d | 20 mm | Bore diameter |
| D | 37 mm | Outside diameter |
| B | 17 mm | Width |
| Cr | 23,700 N | Basic dynamic load rating, radial |
| C0r | 25,500 N | Basic static load rating, radial |
| Cur | 4,700 N | Fatigue load limit, radial |
| nG | 16,900 1/min | Limiting speed |
| nϑr | 9,400 1/min | Reference speed |
| ≈m | 78 g | Weight |
Dimensions
| F | 25 mm | Raceway diameter inner ring |
| rmin | 0.3 mm | Minimum chamfer dimension |
| s | 0.8 mm | Axial displacement |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |