Spherical roller bearings. Bore diameter d: 45mm. Outside diameter D: 85mm. Width B: 23mm. Shoulder diameter inner ring d2: 54.4mm. Shoulder/recess diameter outer ring D1: 74.4mm. Width annular lubrication groove at outer ring b: 5.5mm. Diameter lubrication hole (outer ring) K: 3mm. Chamfer dimension outer ring r1,2min: 1.1mm. Taper bore: Tapered bore, taper 1:12. Abutment diameter shaft damin: 50mm. Abutment diameter shaft damax: 54mm. Abutment diameter housing Damax: 78mm. Fillet radius ramax: 1mm. Basic dynamic load rating C: 104kN. Basic static load rating C0: 100kN. Fatigue load limit Pu: 10.8kN. Reference speed: 7500r/min. Limiting speed: 10000r/min. Calculation factor e: 0.26. Calculation factor Y1: 2.6. Calculation factor Y2: 3.9. Calculation factor Y0: 2.5. Recommended lock nut tightening angle : 130.