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  1. INA Four-point contact ball bearing

Four-point contact ball bearing>QJ344-N2-MPA

According to the main dimensions of DIN 628-4, it can be removed, Split inner ring, two stop grooves

d220 mm
D460 mm
B88 mm
a238 mm
an15 mm
bn12,5 mm
D1378 mm
Da max440 mm
d1302 mm
da min240 mm
ra max4 mm
rmin5 mm
rn2,5 mm
m77,1 kg
Weight
Cr900000 N
Basic dynamic load rating,Path item
C0r1660000 N
Basic static load rating,Path item
nG2800 1/min
Limit speed
Cur44500 N
Fatigue limit load,Path item
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