Tapered roller bearings, single row 31311 J2/QCL7C size: 120x55x31.5 SKF
Tapered roller bearings, single row 31311 J2/QCL7C
Bearing number : 31311 J2/QCL7C
Size (mm) : 120x55x31.5 Brand : SKF d (mm) : 120 D (mm) : 55 B (mm) : 31,5 Bearing dimensions and specification in brand catalogue : d - 55 mm D - 120 mm T - 31.5 mm d1 - - 88.4 mm B - 29 mm C - 21 mm r1,2 - min. - 2.5 mm r3,4 - min. - 2 mm a - 37.053 mm da - max. - 68 mm db - min. - 65 mm Da - min. - 94 mm Da - max. - 110 mm Db - min. - 113 mm Ca - min. - 4 mm Cb - min. - 10.5 mm ra - max. - 2.5 mm rb - max. - 2 mm Basic dynamic load rating - C - 121 kN Basic static load rating - C0 - 137 kN Fatigue load limit - Pu - 16.6 kN Reference speed - 3800 r/min Limiting speed - 5600 r/min Calculation factor - e - 0.83 Calculation factor - Y - 0.72 Calculation factor - Y0 - 0.4 Mass bearing - 1.55 kg
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