Tapered roller bearings 30321U
Bearing number : 30321U
Size (mm) : 105x225x53.5 Brand : NTN d (mm) : 105 D (mm) : 225 B (mm) : 53,5 Bearing dimensions and specification in brand catalogue : d - 105 mm D - 225 mm T - 53,5 mm B - 49 mm C - 41 mm ra1 max. - 2,5 mm a - 43,5 mm r min. - 4 mm r1 min. - 3 mm da min. - 123 mm Da min - 193 mm Da max. - 211 mm db max. - 132 mm Db min. - 209 mm ra max. - 3 mm Sa - 6 mm Sb - 12,5 mm Weight - 9,79 Kg Basic dynamic load rating (C) - 435 kN Basic static load rating (C0) - 530 kN (Grease) Lubrication Speed - 1 700 r/min (Oil) Lubrication Speed - 2 300 r/min Calculation factor (e) - 0,35 Calculation factor (Y0) - 0,96 Calculation factor (Y2) - 1,74
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