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  1. INA Four-point contact ball bearing

Four-point contact ball bearing>QJ228-N2-MPA

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

d140 mm
D250 mm
B42 mm
a137 mm
an11,7 mm
bn10,5 mm
D1210,5 mm
Da max236 mm
d1180 mm
da min154 mm
ra max2,5 mm
rmin3 mm
rn2 mm
m9,69 kg
Weight
Cr315000 N
Basic dynamic load rating,Path item
C0r415000 N
Basic static load rating,Path item
nG4800 1/min
Limit speed
Cur16500 N
Fatigue limit load,Path item
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