3203 -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:12000 rpm Cage:Nylon cage or Steel cage Cage Material:Polyamide(PA66) or Steel Weight:0.098 kg Main Dimensions: Bore diameter (d):17mm Bore diameter Tolerance:-0.007mm to 0 Outer diameter (D): 40mm Outer diameter Tolerance:-0.009mm to 0 Width (B): 17.5mm Width Tolerance:-0.05mm to 0 Chamfer Dimension( r) min.:0.6mm Dynamic load ratings(Cr): 14.6KN Static load ratings(Cor): 9.0KN   ABUTMENT DIMENSIONS Abutment diameter shaft (da)min.:21.4 mm Abutment diameter shaft(da).:max.23 mm Abutment diameter housing(Da).:max.35.6 mm Fillet radius(ra)max.:0.6 mm