21304CDKE4 NSK e 0.31 20x52x15mm Spherical roller bearings
Bearing number 21304CDKE4 Size (mm) 20x52x15 Brand NSK Bore Diameter (mm) 20 Outer Diameter (mm) 52 Width (mm) 15 d 20 mm D 52 mm B 15 mm C 15 mm r min. 1.1 mm da min. 27 mm da max 28 mm Da min 42 mm Da max. 45 mm ra max. 1 mm