WF684ZZ KOYO D2 10.3 mm 4x9x4mm Deep groove ball bearings
Bearing number WF684ZZ Size (mm) 4x9x4 Brand KOYO Bore Diameter (mm) 4 Outer Diameter (mm) 9 Width (mm) 4 d 4 mm D 9 mm B 4 mm C 4 mm r min. 0.15 mm r1 min. 0.15 mm C1 0.6 mm D1 10.3 mm D2 10.3 mm ba min. 5.2 mm ra max. 0.1