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7218B Single Row Angular Contact Ball Bearing detail Specifications: Metric series Material : 52100 Chrome Steel Construction : Single Row Seal Type : open type Limiting Speed : 5500 rpm Cage : Nylon cage or Steel cage Cage Material : Polyamide(PA66) or Steel Contact Angle : 40° Weight : 2.19 kg MainDimensions: Bore diameter (d) : 90 mm Outer diameter (D) : 160 mm Width (B) : 30 mm Distance side face to pressure point (a) : 67 mm Chamfer Dimension ( r) min. : 2.0 mm Chamfer Dimension ( r1) min. : 1.0 mm Dynamic load ratings (Cr) : 102.60 KN Static load ratings (Cor) : 88.20 KN ABUTMENT DIMENSIONS Minimum diameter shaft shoulder (da) min. : 101 mm Maximum diameter of housing shoulder (Da) max. : 149 mm Maximum diameter of housing shoulder (Db) max. : 154.4 mm Maximum fillet radius of shaft (ra) max. : 2.0 mm Maximum fillet radius of housing (ra1) max. : 1.0 mm