Angular contact ball bearings 7228C
Bearing number : 7228C
Size (mm) : 140x250x42
Brand : NTN
Bore Diameter (mm) : 140
Outer Diameter (mm) : 250
Width (mm) : 42
Bearing dimensions and specification in NTN catalogue:
d - 140 mm
D - 250 mm
B - 42 mm
C - 42 mm
Angle (α) - 15 °
a - 47 mm
r min. - 3 mm
r1 min. - 1,1 mm
Weight - 7,3 Kg
Basic dynamic load rating (C) - 221 kN
Basic static load rating (C0) - 233 kN
(Grease) Lubrication Speed - 4 000 r/min
(Oil) Lubrication Speed - 5 300 r/min
Calculation factor (f0) - 15
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