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Bearing 11304 (KOYO)
Self-aligning ball bearings 11304
Bearing number : 11304
Size (mm) : 20x52x44
Brand : KOYO
Bore Diameter (mm) : 20
Outer Diameter (mm) : 52
Width (mm) : 44
Bearing dimensions and specification in KOYO catalogue:
d - 20 mm
D - 52 mm
B - 44 mm
C - 15 mm
r min. - 1.1 mm
F - 31.5 mm
Da max. - 45.5 mm
ra max. - 1 mm
Weight - 0.266 Kg
Basic dynamic load rating (C) - 12.4 kN
Basic static load rating (C0) - 3.35 kN
(Grease) Lubrication Speed - 13000 r/min
(Oil) Lubrication Speed - 15000 r/min
Calculation factor (e) - 0.30
Calculation factor (Y0) - 2.22
Calculation factor (Y1) - 2.12
Calculation factor (Y2) - 3.28
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