Deep groove ball bearings, single row. Bore diameter d: 40mm. Outside diameter D: 80mm. Width B: 18mm. Shoulder diameter inner ring d1: 52.6mm. Shoulder diameter outer ring/inner diameter housing washer D1: 67.4mm. Recess diameter outer ring shoulder D2: 69.8mm. Chamfer dimension outer ring r1,2min: 1.1mm. Abutment diameter shaft damming: 47mm. Abutment diameter housing Amax: 73mm. Fillet radius remix: 1mm. Basic dynamic load rating C: 32.5kN. Basic static load rating C0: 19kN. Fatigue load limit Pu: 0.8kN. Reference speed: 18000r/min. Limiting speed: 11000r/min. Calculation factor or: 0.025. Calculation factor f0: 13.8.