B-57 Timken 7.938×12.7×11.13mm (Grease) Lubrication Speed 5400 r/min Needle roller bearings
Bearing number B-57 Size (mm) 7.938×12.7×11.13 Brand Timken Bore Diameter (mm) 7.938 Outer Diameter (mm) 12.7 Width (mm) 11.13 Fw 7.938 mm D 12.7 mm C 11.13 mm Weight 0.005 Kg Basic dynamic load rating (C) 6.32 kN Basic static load rating (C0) 8.1 kN (Grease) Lubrication Speed 5400 r/min