Deep groove ball bearings, single row. Bore diameter d: 55mm. Outside diameter D: 120mm. Width B: 29mm. Shoulder diameter inner ring d1: 75.34mm. Shoulder diameter outer ring/inner diameter housing washer D1: 99.45mm. Recess diameter outer ring shoulder D2: 103.7mm. Chamfer dimension outer ring r1,2min.: 2mm. Abutment diameter shaft damming.: 66mm. Abutment diameter housing Amax.: 109mm. Fillet radius remix.: 2mm. Basic dynamic load rating C: 74.1kN. Basic static load rating C0: 45kN. Fatigue load limit Pu: 1.9kN. Reference speed: 12000r/min. Limiting speed: 8000r/min. Calculation factor or: 0.03. Calculation factor f0: 13.1.