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Bearing 7304C (NTN)
Angular contact ball bearings 7304C
Bearing number : 7304C
Size (mm) : 20x52x15
Brand : NTN
Bore Diameter (mm) : 20
Outer Diameter (mm) : 52
Width (mm) : 15
Bearing dimensions and specification in NTN catalogue:
d - 20 mm
D - 52 mm
B - 15 mm
C - 15 mm
Angle (α) - 15 °
a - 12,5 mm
r min. - 1,1 mm
r1 min. - 0,6 mm
Weight - 0,14 Kg
Basic dynamic load rating (C) - 18,5 kN
Basic static load rating (C0) - 9,95 kN
(Grease) Lubrication Speed - 23 000 r/min
(Oil) Lubrication Speed - 31 000 r/min
Calculation factor (f0) - 12,6
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