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RNAO20X28X26-ZW-ASR1-XL
Needle roller bearing
Needle roller bearings RNAO..-ZW-ASR1, without ribs, double row
Replaces
RNAO20X28X26-ZW-ASR1
Main Dimensions & Performance Data
| Fw | 20 mm | Under roller diameter |
| D | 28 mm | Outside diameter |
| C | 26 mm | Width, outer ring |
| Cr | 19,000 N | Basic dynamic load rating, radial |
| C0r | 28,500 N | Basic static load rating, radial |
| Cur | 4,700 N | Fatigue load limit, radial |
| nG | 21,300 1/min | Limiting speed |
| nϑr | 13,700 1/min | Reference speed |
| ≈m | 50 g | Weight |
Mounting dimensions
| Db | 20.4 mm | Shoulder diameter axial guidance NK/housing |
| db | 23.6 mm | Shoulder diameter axial guidance NK/shaft |
| Da | 24.3 mm | Shoulder diameter outer ring |
| ra max | 0.3 mm | Maximum recess radius |
Dimensions
| E | 24 mm | Raceway diameter outer ring |
| rmin | 0.3 mm | Minimum chamfer dimension |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
All
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