48R5439 KOYO 48x54x39mm Weight 0.106 Kg Needle roller bearings
Bearing number 48R5439 Size (mm) 48x54x39 Brand KOYO Bore Diameter (mm) 48 Outer Diameter (mm) 54 Width (mm) 39 Fw 48 mm Ew 54 mm B 39 mm Weight 0.106 Kg Basic dynamic load rating (C) 47.9 kN Basic static load rating (C0) 108 kN (Grease) Lubrication Speed 5700 r/min (Oil) Lubrication Speed 9800 r/min