B138 KOYO 20.638×26.988×12.7mm Width 12.7mm Needle roller bearings
Bearing number B138 Size (mm) 20.638×26.988×12.7 Brand KOYO Bore Diameter (mm) 20.638 Outer Diameter (mm) 26.988 Width (mm) 12.7 Fw 20.638 mm D 26.988 mm C 12.7 mm Weight 0.017 Kg Basic dynamic load rating (C) 12.7 kN Basic static load rating (C0) 23.6 kN