Self-aligning ball bearings. Outside diameter D: 85mm. Width B: 19mm. Width outer ring C: 19mm. Shoulder diameter inner ring d1: 57.51mm. Shoulder diameter outer ring D1: 72.5mm. Protrusion of the balls from bearing side faces C1: 0mm. Chamfer dimension r1,2min: 1.1mm. Tapered bore, taper 1:X: Tapered bore, taper 1:12. Abutment diameter shaft damming: 52mm. Abutment diameter shaft admix: 57mm. Abutment diameter housing Amax: 78mm. Fillet radius remix: 1.1mm. Basic dynamic load rating C: 22.9kN. Basic static load rating C0: 7.8kN. Fatigue load limit Pu: 0.4kN. Reference speed: 17000r/min. Limiting speed: 11000r/min. Calculation factor or: 0.04. Calculation factor e: 0.21. Calculation factor Y0: 3.2. Calculation factor Y1: 3. Calculation factor Y2: 4.6.