Nu2320 Emc3 Nsk Blue Sports Background Vector Art, Icons, and Graphics for Free Download. NU2320EM d 100 mm Bore diameter D 215 mm Outside diameter B 73 mm Width FW 127. 5 mm Raceway diameter of inner ring r (min.) 3 mm Chamfer dimension r1 (min.) 3 mm Chamfer dimension Cr 700000 N Basic dynamic load rating C0r 715000 N Basic static load rating Thermal Speed Rating (Oil bath) 3400 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 5000 min 1 Properly designed and controlled forced circulation oil lubrication Grease 2400 min 1 Grease lubrication Oil (Oil bath) 3000 min 1 Oil bath lubrication da (min.) 113 mm Diameter of shaft abutment (min) db (min.) 113 mm Diameter of shaft spacer sleeve abutment db (max.) 124 mm Diameter of shaft spacer sleeve abutment dc (min.) 132 mm Diameter of shaft abutment dd (min.) 143 mm Diameter of shaft abutment Da (max.) 202 mm Diameter of housing abutment rb (max.) 2. 5 mm Radius of shaft or housing fillet ra (max.) 2. 5 mm Radius of shaft or housing fillet Mass approx. 13. 4 kg Mass approx.