Deep groove ball bearings, single row. Width B: 13mm. Shoulder diameter inner ring d1: 68.3mm. Shoulder diameter outer ring/inner diameter housing washer D1: 77.3mm. Recess diameter outer ring shoulder D2: 78.7mm. Chamfer dimension outer ring r1,2min: 1mm. Abutment diameter shaft damming: 64.6mm. Abutment diameter housing Amax: 80.4mm. Fillet radius remix: 1mm. Basic dynamic load rating C: 16.5kN. Basic static load rating C0: 12kN. Fatigue load limit Pu: 0.6kN. Reference speed: 16000r/min. Limiting speed: 10000r/min. Calculation factor or: 0.02. Calculation factor f0: 13.9.