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7228 BM Single Row Angular Contact Ball Bearing detail Specifications: Metric series Material : 52100 Chrome Steel Construction : Single Row Seal Type : open type Limiting Speed : 4450 rpm Cage : Brass Cage Cage Material : Brass Contact Angle : 40° Weight : 8.55 kg MainDimensions: Bore diameter (d) : 140 mm Outer diameter (D) : 250 mm Width (B) : 42 mm Distance side face to pressure point (a) : 103 mm Chamfer Dimension ( r) min. : 3.0 mm Chamfer Dimension ( r1) min. : 1.1 mm Dynamic load ratings (Cr) : 192.60 KN Static load ratings (Cor) : 207.90 KN ABUTMENT DIMENSIONS Minimum diameter shaft shoulder (da) min. : 154 mm Maximum diameter of housing shoulder (Da) max. : 236 mm Maximum diameter of housing shoulder (Db) max. : 243 mm Maximum fillet radius of shaft (ra) max. : 2.5 mm Maximum fillet radius of housing (ra1) max. : 1.0 mm