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03:01:11 GMT+0000 (Coordinated Universal Time)
QJ230-N2-MPA
Four-point contact bearing
Four point contact bearing QJ2..-N2-MPA, holding grooves, solid brass cage
Replaces
QJ230N2MPA
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 150 mm | Bore diameter |
D | 270 mm | Outside diameter |
B | 45 mm | Width |
Cr | 350,000 N | Basic dynamic load rating, radial |
C0r | 485,000 N | Basic static load rating, radial |
Cur | 18,900 N | Fatigue load limit, radial |
nG | 4,350 1/min | Limiting speed |
nϑr | 2,360 1/min | Reference speed |
≈m | 11.89 kg | Weight |
Mounting dimensions
da min | 164 mm | Minimum diameter shaft shoulder |
Da max | 256 mm | Maximum diameter of housing shoulder |
ra max | 2.5 mm | Maximum fillet radius |
Dimensions
rmin | 3 mm | Minimum chamfer dimension |
D1 | 226.7 mm | Shoulder diameter outer ring |
d1 | 193.84 mm | Shoulder diameter inner ring |
a | 147 mm | Distance between the apexes of the pressure cones |
an | 11.7 mm | Hight retaining slot |
bn | 10.5 mm | Width retaining slot |
rn | 2 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. |