NU228-EM single row Cylindrical roller bearing detail Specifications: Material : 52100 Chrome Steel Construction : Single Row Seal Type : open type Cage : Brass Cage Cage Material :Brass Limiting Speed : 3360 rpm Weight : 9.02 kg MainDimensions: Bore diameter (d) : 140 mm Outer diameter ( D) : 250 mm Width (B) : 42 mm Chamfer dimension (r) min. : 3.0 mm Chamfer dimension (r1) min. : 3.0 mm Permissible axial displacement (S ) max. : 2.0 mm Raceway diameter of inner ring (F) : 169.00 mm Dynamic load ratings (Cr) : 415.00 KN Static load ratings (Cor) : 459.00 KN ABUTMENT DIMENSIONS Diameter shaft shoulder (da) min. : 154 mm Diameter shaft shoulder (da) max. : 166 mm Minimum shaft shoulder (Db) min. : 171 mm Diameter of housing shoulder (Da) max. : 236 mm Maximum recess radius (ra) max : 2.5 mm Maximum recess radius (ra1) max : 2.5 mm