3000 Double Row Angular Contact Ball Bearing  detail Specifications: Metric series Material : 52100 Chrome Steel Construction : Double Row Seal Type : open type Limiting Speed : 31000 rpm Cage : Nylon cage or Steel cage Cage Material : Polyamide(PA66) or Steel Weight : 0.022kg Main Dimensions: Bore diameter (d): 10 mm Outer diameter (D): 26 mm Width (B): 12 mm Chamfer Dimension( r) min.: 0.3 mm Dynamic load ratings(Cr): 5.7 KN Static load ratings(Cor): 3.25 KN   ABUTMENT DIMENSIONS Minimum diameter shaft shoulder (da) min. :12 mm Maximum diameter of housing shoulder (Da) max. : 24mm Maximum fillet radius (ra) max. 0.3 mm