39WR4444 KOYO Fw 39 mm 39x44x43.8mm Needle roller bearings

Bearing number 39WR4444 Size (mm) 39x44x43.8 Brand KOYO Bore Diameter (mm) 39 Outer Diameter (mm) 44 Width (mm) 43.8 Fw 39 mm Ew 44 mm B 43.8 mm Weight 0.08 Kg Basic dynamic load rating (C) 39 kN Basic static load rating (C0) 88 kN (Grease) Lubrication Speed 7200 r/min (Oil) Lubrication Speed 12000 r/min