Axial angular contact ball bearings 57TAD20
Bearing number : 57TAD20
Size (mm) : 57x90x44 Brand : NACHI d (mm) : 57 D (mm) : 90 B (mm) : 44 Bearing dimensions and specification in brand catalogue : d - 57 mm D - 90 mm T - 44 mm ra1 max. - 0.6 mm Angle (α) - 60 ° d1 - 78 mm r min. - 1.1 mm r1 min. - 0.6 mm C - 22 mm da min. - 68 mm Da max. - 85 mm ra max. - 1 mm Weight - 0.988 Kg Basic dynamic load rating (C) - 29,9 kN Basic static load rating (C0) - 71,5 kN (Grease) Lubrication Speed - 4500 r/min (Oil) Lubrication Speed - 6200 r/min
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