NMB RI-21/2ZZ deep groove ball bearings
100% Authentic. 730 Bore Diameter (mm) NMB RI-21/2ZZ deep groove ball bearings Highest 730x900x78 Size (mm) Quality. 900 Outer Diameter (mm) Certified Supplier. Size (mm) 730x900x78 Bore Diameter (mm) 730 Outer Diameter (mm) 900 Width (mm) 78 d 730 mm D 900 mm B 78 mm C 78 mm r min. 5 mm da min.