Angular contact ball bearings, double row. Performance class: SKF Explorer. Bore diameter d: 45mm. Outside diameter D: 85mm. Width B: 30.2mm. Shoulder diameter inner ring d1: 56.95mm. Recess diameter inner ring shoulder d2: 52.8mm. Shoulder diameter outer ring D1: 74.6mm. Recess diameter outer ring shoulder D2: 77.1mm. Chamfer dimension inner ring r1,2min: 1.1mm. Distance pressure points a: 46mm. Abutment diameter shaft damming: 52mm. Abutment diameter shaft admix: 52.5mm. Abutment diameter housing Amax: 78mm. Fillet radius remix: 1mm. Basic dynamic load rating C: 51kN. Basic static load rating C0: 39kN. Fatigue load limit Pu: 1.6kN. Limiting speed: 5300r/min. Calculation factor or: 0.06. Calculation factor e: 0.8. Calculation factor X: 0.63. Calculation factor: 0.66. Calculation factor Y1: 0.78. Calculation factor Y2: 1.24.