Tapered roller bearings, single row 31328 XJ2 size: 300x140x77 SKF
Tapered roller bearings, single row 31328 XJ2
Bearing number : 31328 XJ2
Size (mm) : 300x140x77 Brand : SKF d (mm) : 300 D (mm) : 140 B (mm) : 77 Bearing dimensions and specification in brand catalogue : d - 140 mm D - 300 mm T - 77 mm d1 - - 220.275 mm B - 70 mm C - 47 mm r1,2 - min. - 5 mm r3,4 - min. - 4 mm a - 90.071 mm da - max. - 169 mm db - min. - 158 mm Da - min. - 235 mm Da - max. - 282 mm Db - min. - 280 mm Ca - min. - 9 mm Cb - min. - 30 mm ra - max. - 5 mm rb - max. - 4 mm Basic dynamic load rating - C - 693 kN Basic static load rating - C0 - 900 kN Fatigue load limit - Pu - 90 kN Reference speed - 1500 r/min Limiting speed - 2200 r/min Calculation factor - e - 0.83 Calculation factor - Y - 0.72 Calculation factor - Y0 - 0.4 Mass bearing - 22.63 kg
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