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  1. INA Four-point contact ball bearing

Four-point contact ball bearing>QJ248-N2-MPA

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

d240 mm
D440 mm
B72 mm
a238 mm
an15 mm
bn12,5 mm
D1367 mm
Da max423 mm
d1312,5 mm
da min257 mm
ra max3 mm
rmin4 mm
rn2,5 mm
m53,1 kg
Weight
Cr680000 N
Basic dynamic load rating,Path item
C0r1270000 N
Basic static load rating,Path item
nG2800 1/min
Limit speed
Cur30500 N
Fatigue limit load,Path item
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