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Bearing 1304SK (NTN)
Self-aligning ball bearings 1304SK
Bearing number : 1304SK
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
r min. - 1,1 mm
da min. - 26,5 mm
Da max. - 45,5 mm
ra max. - 1 mm
Weight - 0,15 Kg
Basic dynamic load rating (C) - 12,6 kN
Basic static load rating (C0) - 3,35 kN
(Grease) Lubrication Speed - 12 000 r/min
(Oil) Lubrication Speed - 15 000 r/min
Calculation factor (e) - 0,29
Calculation factor (Y0) - 2,3
Calculation factor (Y1) - 2,2
Calculation factor (Y2) - 3,4
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