Spherical roller bearings. Bore diameter d: 55mm. Outside diameter D: 120mm. Width B: 43mm. Shoulder diameter inner ring d2: 70.1mm. Shoulder/recess diameter outer ring D1: 102mm. Width annular lubrication groove at outer ring b: 5.5mm. Diameter lubrication hole (outer ring) K: 3mm. Chamfer dimension outer ring r1,2min: 2mm. Abutment diameter shaft damin: 66mm. Abutment diameter housing Damax: 109mm. Fillet radius ramax: 2mm. Basic dynamic load rating C: 280kN. Basic static load rating C0: 280kN. Fatigue load limit Pu: 30kN. Reference speed: 4300r/min. Limiting speed: 5600r/min. Calculation factor e: 0.35. Calculation factor Y1: 1.9. Calculation factor Y2: 2.9. Calculation factor Y0: 1.8.