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QJ1068-N2-MPA
Four-point contact bearing
Four point contact bearing QJ10..-N2-MPA, holding grooves, solid brass cage
Replaces
QJ1068N2MPA


Dimensioni principali & prestazioni
d | 340 mm | Diametro del foro |
D | 520 mm | Diametro esterno |
B | 82 mm | Larghezza |
Cr | 760.000 N | Coefficiente di carico dinamico, radiale |
C0r | 1.640.000 N | Coefficiente di carico statico, radiale |
Cur | 44.000 N | Fatigue load limit, radial |
nG | 2.070 1/min | Limiting speed |
nϑr | 960 1/min | Reference speed |
≈m | 67,5 kg | Weight |
Dimensioni di fissaggio
da min | 358 mm | Minimum diameter shaft shoulder |
Da max | 502 mm | Maximum diameter of housing shoulder |
ra max | 4 mm | Maximum fillet radius |
Dimensioni
rmin | 5 mm | Minimum chamfer dimension |
D1 | 459 mm | Shoulder diameter outer ring |
d1 | 403,75 mm | Shoulder diameter inner ring |
a | 301,1 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 ° | Angolo della cava di trattenuta | |
α | 35 ° | Contact angle |
Campo di temperatura
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
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