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QJ1240-N2-MPA
Four-point contact bearing
Four point contact bearing QJ12..-N2-MPA, holding grooves, solid brass cage
Main Dimensions & Performance Data
| d | 200 mm | Bore diameter |
| D | 360 mm | Outside diameter |
| B | 70 mm | Width |
| Cr | 520.000 N | Basic dynamic load rating, radial |
| C0r | 860.000 N | Basic static load rating, radial |
| Cur | 29.000 N | Fatigue load limit, radial |
| nG | 3.200 1/min | Limiting speed |
| nϑr | 1.770 1/min | Reference speed |
| ≈m | 32 kg | Weight |
Mounting dimensions
| da min | 217 mm | Minimum diameter shaft shoulder |
| Da max | 343 mm | Maximum diameter of housing shoulder |
| ra max | 3 mm | Maximum fillet radius |
Dimensions
| rmin | 4 mm | Minimum chamfer dimension |
| D1 | 303,5 mm | Shoulder diameter outer ring |
| d1 | 259,1 mm | Shoulder diameter inner ring |
| a | 280 mm | Distance between the apexes of the pressure cones |
| an | 12,7 mm | Hight retaining slot |
| bn | 10,5 mm | Width retaining slot |
| rn | 2 mm | Radius retaining slot |
45 ° | Angle retaining slot | |
| α | 45 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Downloads:
Your current product variant
| Design, bearing outer ring | N2 | Two retaining grooves in the outer ring on one side |
| Cage | Solid brass cage, outer ring guided | Solid brass cage, outer ring guided |
| Tolerance class | PN | Tolerance class PN, acc. to DIN 620 |
| Dimensional / heat stabilization | S1 | Rings dimensional stabilized up to 200° |
| Axial internal clearance | CN | Group N (CN) |
Characteristics
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