Stock / Deep groove ball bearings 4304 size: 20x52x21 KOYO
Date: 2017-08-15
Deep groove ball bearings 4304 size: 20x52x21 KOYO
Deep groove ball bearings 4304
Bearing number : 4304
Size (mm) : 20x52x21 Brand : KOYO d (mm) : 20 D (mm) : 52 B (mm) : 21 Bearing dimensions and specification in brand catalogue : d - 20 mm D - 52 mm B - 21 mm C - 21 mm r min. - 1.1 mm da min. - 26.5 mm Da max. - 45.5 mm ra max. - 1 mm Weight - 0.227 Kg Basic dynamic load rating (C) - 19.5 kN Basic static load rating (C0) - 17.0 kN (Grease) Lubrication Speed - 8300 r/min (Oil) Lubrication Speed - 11000 r/min Calculation factor (f0) - 13.5
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