Double row angular contact ball bearings 305288 DA
Bearing number : 305288 DA
Size (mm) : 250x180x70 Brand : SKF d (mm) : 250 D (mm) : 180 B (mm) : 70 Bearing dimensions and specification in brand catalogue : d - 180 mm D - 250 mm B - 70 mm d1 - - 207.45 mm D1 - - 234.7 mm b - 17.5 mm K - 6 mm r1,2 - min. - 2 mm a - 156 mm da - min. - 185 mm Da - max. - 232 mm ra - max. - 2 mm Basic dynamic load rating - C - 190 kN Basic static load rating - C0 - 285 kN Fatigue load limit - Pu - 8.6 kN Reference speed - 2000 r/min Limiting speed - 2600 r/min Calculation factor - kr - 0.095 Calculation factor - e - 1.14 Calculation factor - X - 0.57 Calculation factor - Y0 - 0.52 Calculation factor - Y1 - 0.55 Calculation factor - Y2 - 0.93 Mass bearing - 9.67 kg
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