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QJ303-XL-MPA
Four-point contact bearing
Four point contact bearing QJ3..-XL-MPA, X-life, solid brass cage
Replaces
QJ303-MPA
Product information
Main Dimensions & Performance Data
| d | 17 mm | Bore diameter |
| D | 47 mm | Outside diameter |
| B | 14 mm | Width |
| Cr | 24,500 N | Basic dynamic load rating, radial |
| C0r | 15,100 N | Basic static load rating, radial |
| Cur | 1,130 N | Fatigue load limit, radial |
| nG | 32,500 1/min | Limiting speed |
| nϑr | 12,000 1/min | Reference speed |
| ≈m | 0.14 kg | Weight |
Mounting dimensions
| da min | 22.6 mm | Minimum diameter shaft shoulder |
| Da max | 41.4 mm | Maximum diameter of housing shoulder |
| ra max | 1 mm | Maximum fillet radius |
Dimensions
| rmin | 1 mm | Minimum chamfer dimension |
| D1 | 37 mm | Shoulder diameter outer ring |
| d1 | 27.3 mm | Shoulder diameter inner ring |
| a | 22.4 mm | Distance between the apexes of the pressure cones |
| α | 35 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |