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7204B-2RS Single Row Angular Contact Ball Bearing detail Specifications: Metric series Material : 52100 Chrome Steel Construction : Single Row Seal Type : 2RS , Sealed on both sides Seal material : NRB Lubricant : Great Wall Motor Bearing Grease2#,3# Temperature Range : -20°to 120°C Limiting Speed : 9500rpm Cage : Nylon cage or Steel cage Cage Material : Polyamide (PA66) or Steel Contact Angle : 40° Weight : 0.11 kg MainDimensions: Bore diameter (d) : 20 mm Outer diameter (D) : 47 mm Width (B) : 14 mm Distance side face to pressure point (a) : 21 mm Chamfer Dimension ( r) min. : 1 mm Chamfer Dimension ( r1) min. : 0.6 mm Dynamic load ratings (Cr) : 13.30 KN Static load ratings (Cor) : 7.41 KN ABUTMENT DIMENSIONS Minimum diameter shaft shoulder (da) min. : 25.6 mm Maximum diameter of housing shoulder (Da) max. : 41.4 mm Maximum diameter of housing shoulder (Db) max. : 42.8 mm Maximum fillet radius of shaft (ra) max. : 1 mm Maximum fillet radius of housing (ra1) max. : 0.6 mm