7221 BM Single Row Angular Contact Ball Bearing detail Specifications: Metric series Material : 52100 Chrome Steel Construction : Single Row Seal Type : open type Limiting Speed : 6000 rpm Cage : Brass Cage Cage Material : Brass Contact Angle : 40° Weight : 4.235 kg MainDimensions: Bore diameter (d) : 105 mm Outer diameter (D) : 190 mm Width (B) : 36 mm Distance side face to pressure point (a) : 80 mm Chamfer Dimension ( r) min. : 2.1 mm Chamfer Dimension ( r1) min. : 1.1 mm Dynamic load ratings (Cr) : 139.50 KN Static load ratings (Cor) : 127.80 KN ABUTMENT DIMENSIONS Minimum diameter shaft shoulder (da) min. : 117 mm Maximum diameter of housing shoulder (Da) max. : 178 mm Maximum diameter of housing shoulder (Db) max. : 183 mm Maximum fillet radius of shaft (ra) max. : 2.1 mm Maximum fillet radius of housing (ra1) max. : 1.0 mm