B-2-1/2-4 Timken 3.97×7.142×6.35mm Bore Diameter 3.97mm Needle roller bearings

C 6.35 mm Fw 3.97 mm D 7.142 mm Bearing number B-2-1/2-4 Size (mm) 3.97×7.142×6.35 Brand Timken Bore Diameter (mm) 3.97 Outer Diameter (mm) 7.142 Width (mm) 6.35 Weight 0.001 Kg Basic dynamic load rating (C) 2 kN Basic static load rating (C0) 2 kN (Grease) Lubrication Speed 7000 r/min