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QJ344-N2-MPA
Four-point contact bearing
Four point contact bearing QJ3..-N2-MPA, holding grooves, solid brass cage
Заменяет
QJ344N2MPA
Предпочтительный продукт
Информация о продукции
Метрическая система мер
Дюймовая система мер
Main Dimensions & Performance Data
| d | 220 mm | Bore diameter |
| D | 460 mm | Outside diameter |
| B | 88 mm | Width |
| Cr | 900.000 N | Basic dynamic load rating, radial |
| C0r | 1.650.000 N | Basic static load rating, radial |
| Cur | 51.000 N | Fatigue load limit, radial |
| nG | 2.430 1/min | Limiting speed |
| nϑr | 1.080 1/min | Reference speed |
| ≈m | 85,4 kg | Вес |
Mounting dimensions
| da min | 240 mm | Minimum diameter shaft shoulder |
| Da max | 440 mm | Maximum diameter of housing shoulder |
| ra max | 4 mm | Maximum fillet radius |
Dimensions
| rmin | 5 mm | Minimum chamfer dimension |
| D1 | 378 mm | Shoulder diameter outer ring |
| d1 | 304,15 mm | Shoulder diameter inner ring |
| a | 238,1 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. |