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22:20:06 GMT+0000 (Coordinated Universal Time)
QJ252-N2-MPA-J30PC-C3
Four-point contact bearing
Four point contact bearing QJ2..-N2-MPA, holding grooves, solid brass cage
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d | 260 mm | Bore diameter |
| D | 480 mm | Outside diameter |
| B | 80 mm | Width |
| Cr | 840.000 N | Basic dynamic load rating, radial |
| C0r | 1.630.000 N | Basic static load rating, radial |
| Cur | 47.000 N | Fatigue load limit, radial |
| nG | 2.320 1/min | Limiting speed |
| nϑr | 1.080 1/min | Reference speed |
| ≈m | 69,2 kg | Weight |
Mounting dimensions
| da min | 280 mm | Minimum diameter shaft shoulder |
| Da max | 460 mm | Maximum diameter of housing shoulder |
| ra max | 4 mm | Maximum fillet radius |
Dimensions
| rmin | 5 mm | Minimum chamfer dimension |
| D1 | 401,8 mm | Shoulder diameter outer ring |
| d1 | 338,4 mm | Shoulder diameter inner ring |
| a | 259,1 mm | Distance between the apexes of the pressure cones |
| an | 15 mm | Hight retaining slot |
| bn | 12,5 mm | Width retaining slot |
| rn | 2,5 mm | Radius retaining slot |
45 ° | Angle retaining slot | |
| α | 35 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
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