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7220 BM Single Row Angular Contact Ball Bearing detail Specifications: Metric series Material : 52100 Chrome Steel Construction : Single Row Seal Type : open type Limiting Speed : 6300 rpm Cage : Brass Cage Cage Material : Brass Contact Angle : 40° Weight : 3.56 kg MainDimensions: Bore diameter (d) : 100 mm Outer diameter (D) : 180 mm Width (B) : 34 mm Distance side face to pressure point (a) : 76 mm Chamfer Dimension ( r) min. : 2.1 mm Chamfer Dimension ( r1) min. : 1.1 mm Dynamic load ratings (Cr) : 127.80 KN Static load ratings (Cor) : 111.60 KN ABUTMENT DIMENSIONS Minimum diameter shaft shoulder (da) min. : 112 mm Maximum diameter of housing shoulder (Da) max. : 168 mm Maximum diameter of housing shoulder (Db) max. : 173 mm Maximum fillet radius of shaft (ra) max. : 2.1 mm Maximum fillet radius of housing (ra1) max. : 1.0 mm