Self-aligning ball bearings. Design: Tapered bore. Sealing solution: Contact seals. Bore diameter d: 55mm. Outside diameter D: 100mm. Width B: 25mm. Width outer ring C: 25mm. Shoulder diameter inner ring d1: 70.3mm. Recess diameter inner ring d2: 65.9mm. Shoulder diameter outer ring D1: 86.5mm. Recess diameter outer ring D2: 88.5mm. Protrusion of the balls from bearing side faces C1: 0mm. Chamfer dimension r1,2min: 1.5mm. Tapered bore, taper 1:X: Tapered bore, taper 1:12. Abutment diameter shaft damin: 64mm. Abutment diameter shaft damax: 65.5mm. Abutment diameter housing Damax: 91mm. Fillet radius ramax: 1.5mm. Basic dynamic load rating C: 27.6kN. Basic static load rating C0: 10.6kN. Fatigue load limit Pu: 0.54kN. Limiting speed: 4300r/min. Calculation factor kr: 0.045. Calculation factor e: 0.19. Calculation factor Y0: 3.6. Calculation factor Y1: 3.3. Calculation factor Y2: 5.1.