W638/4X-2RS1 SKF d1 5.9 mm 4x10x4mm Deep groove ball bearings
Bearing number W638/4X-2RS1 Size (mm) 4x10x4 Brand SKF Bore Diameter (mm) 4 Outer Diameter (mm) 10 Width (mm) 4 d 4 mm D 10 mm B 4 mm C 4 mm d1 5.9 mm d2 – mm r1 min. 5.6 mm r2 min. 5.6 mm D1 8.8 mm D2 0.2 mm da min. 5.8 mm