3005-2RS Double Row Angular Contact Ball Bearing  detail Specifications: Metric series Material: 52100 Chrome Steel Construction: Double Row Seal Type : 2RS,Sealed on both sides Seal material: NRB Lubrication: Great Wall Motor Bearing Grease2#,3# Temperature Range:  -20°to 120°C Limiting Speed: 8800 rpm Cage:Nylon cage or Steel cage Cage Material: Polyamide(PA66) or Steel Weight:0.107kg     Main Dimensions: Bore diameter (d) : 25 mm Outer diameter (D) : 47 mm Width (B) : 16 mm Chamfer Dimension( r) min.: 0.6 mm Dynamic load ratings(Cr) : 15.5 KN Static load ratings(Cor): 11.1KN   ABUTMENT DIMENSIONS Minimum diameter shaft shoulder (da) min. : 28.2 mm Maximum diameter of housing shoulder (Da) max. : 43.8 mm Maximum fillet radius (ra) max. 0.6 mm