48R5420-1 KOYO B 20 mm 48x54x20mm Needle roller bearings
Bearing number 48R5420-1 Size (mm) 48x54x20 Brand KOYO Bore Diameter (mm) 48 Outer Diameter (mm) 54 Width (mm) 20 Fw 48 mm Ew 54 mm B 20 mm Weight 0.054 Kg Basic dynamic load rating (C) 29.3 kN Basic static load rating (C0) 57.3 kN (Grease) Lubrication Speed 5700 r/min (Oil) Lubrication Speed 9800 r/min