NU420-M 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 Packing : Industrial packing or single box packing Weight : 16.17 kg MainDimensions: Bore diameter (d) : 100 mm Outer diameter ( D) : 250 mm Width (B) : 58 mm Chamfer dimension (r) min. : 4.0 mm Chamfer dimension (r1) min. : 4.0 mm Permissible axial displacement (S ) max. : 5.7 mm Raceway diameter of inner ring (F) : 139.00 mm Dynamic load ratings (Cr) : 495.00 KN Static load ratings (Cor) : 477.00 KN ABUTMENT DIMENSIONS Diameter shaft shoulder (da) min. : 120 mm Diameter shaft shoulder (da) max. : 137 mm Minimum shaft shoulder (Db) min. : 141 mm Diameter of housing shoulder (Da) max. : 230 mm Maximum recess radius (ra) max : 3.0 mm Maximum recess radius (ra1) max : 3.0 mm