305172B-1 KOYO ra max. 2 mm 180x280x92mm Angular contact ball bearings
Bearing number 305172B-1 Size (mm) 180x280x92 Brand KOYO Bore Diameter (mm) 180 Outer Diameter (mm) 280 Width (mm) 92 d 180 mm D 280 mm B 92 mm a 147.4 mm r min. 2.1 mm da min. 192 mm Da max. 268 mm ra max. 2 mm Weight 17 Kg Basic dynamic load rating (C)