21308RHK KOYO Da max. 81.5 mm 40x90x23mm Spherical roller bearings
Bearing number 21308RHK Size (mm) 40x90x23 Brand KOYO Bore Diameter (mm) 40 Outer Diameter (mm) 90 Width (mm) 23 d 40 mm D 90 mm B 23 mm C 23 mm r min. 1.5 mm da min. 48.5 mm Da max. 81.5 mm ra max. 1.5 mm Weight 0.77 Kg Basic dynamic load rating (C)