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QJ1264-N2-MPA
Four-point contact bearing
Four point contact bearing QJ12..-N2-MPA, holding grooves, solid brass cage
제품 정보
미터법
우수한
Main Dimensions & Performance Data
d | 320 mm | Bore diameter |
D | 580 mm | Outside diameter |
B | 105 mm | Width |
Cr | 990,000 N | Basic dynamic load rating, radial |
C0r | 2,110,000 N | Basic static load rating, radial |
Cur | 55,000 N | Fatigue load limit, radial |
nG | 1,900 1/min | Limiting speed |
nϑr | 930 1/min | Reference speed |
≈m | 128.6 kg | 중량 |
Mounting dimensions
da min | 340 mm | Minimum diameter shaft shoulder |
Da max | 560 mm | Maximum diameter of housing shoulder |
ra max | 4 mm | Maximum fillet radius |
Dimensions
rmin | 5 mm | Minimum chamfer dimension |
D1 | 488.1 mm | Shoulder diameter outer ring |
d1 | 415.9 mm | Shoulder diameter inner ring |
a | 450 mm | Distance between the apexes of the pressure cones |
an | 20 mm | Hight retaining slot |
bn | 15.5 mm | Width retaining slot |
rn | 3 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. |