NU221-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 : 2520 rpm Weight : 4.39 kg MainDimensions: Bore diameter (d) : 105 mm Outer diameter ( D) : 190 mm Width (B) : 36 mm Chamfer dimension (r) min. : 2.1 mm Chamfer dimension (r1) min. : 2.1 mm Permissible axial displacement (S ) max. : 1.3 mm Raceway diameter of inner ring (F) : 125.5 mm Dynamic load ratings (Cr) : 279 KN Static load ratings (Cor) : 288 KN ABUTMENT DIMENSIONS Diameter shaft shoulder (da) min. : 117 mm Diameter shaft shoulder (da) max. : 122 mm Minimum shaft shoulder (Db) min. : 128 mm Diameter of housing shoulder (Da) max. : 177.3 mm Maximum recess radius (ra) max : 2.0 mm Maximum recess radius (ra1) max : 2.0 mm