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QJ340-N2-MPA
Four-point contact bearing
Four point contact bearing QJ3..-N2-MPA, holding grooves, solid brass cage
Replaces
QJ340N2MPA
Product information


Main Dimensions & Performance Data
d | 200 mm | Bore diameter |
D | 420 mm | Outside diameter |
B | 80 mm | Width |
Cr | 750.000 N | Basic dynamic load rating, radial |
C0r | 1.270.000 N | Basic static load rating, radial |
Cur | 40.500 N | Fatigue load limit, radial |
nG | 2.700 1/min | Limiting speed |
nϑr | 1.260 1/min | Reference speed |
≈m | 57,4 kg | Weight |
Mounting dimensions
da min | 220 mm | Minimum diameter shaft shoulder |
Da max | 400 mm | Maximum diameter of housing shoulder |
ra max | 4 mm | Maximum fillet radius |
Dimensions
rmin | 5 mm | Minimum chamfer dimension |
D1 | 343,5 mm | Shoulder diameter outer ring |
d1 | 277,3 mm | Shoulder diameter inner ring |
a | 217,1 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. |