W639/3-2Z
W639/3-2Z SKF 3x8x4mm Basic dynamic load rating (C) 0.319 kN Deep groove ball bearings
Bearing number W639/3-2Z Size (mm) 3x8x4 Brand SKF Bore Diameter (mm) 3 Outer Diameter (mm) 8 Width (mm) 4 d 3 mm D 8 mm B 4 mm C 4 mm d1 4.3 mm d2 – mm r1 min. 4.2 mm r2 min. 4.2 mm D1 7.3 mm D2 0.15 mm da min. 4.3 mm