Double row deep groove ball bearings 4304 ATN9
Bearing number : 4304 ATN9
Size (mm) : 52x20x21 Brand : SKF d (mm) : 52 D (mm) : 20 B (mm) : 21 Bearing dimensions and specification in brand catalogue : d - 20 mm D - 52 mm B - 21 mm d1 - - 31.8 mm D1 - - 42.2 mm r1,2 - min. - 1.1 mm da - min. - 27 mm Da - max. - 45 mm ra - max. - 1 mm Basic dynamic load rating - C - 23.4 kN Basic static load rating - C0 - 16 kN Fatigue load limit - Pu - 0.68 kN Reference speed - 22000 r/min Limiting speed - 12000 r/min Calculation factor minimum radial load - kr - 0.06 Calculation factor - f0 - 13 Mass bearing - 0.211 kg
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