Spherical roller bearings. Bore diameter d: 75mm. Outside diameter D: 130mm. Width B: 31mm. Shoulder diameter inner ring d2: 87.8mm. Shoulder/recess diameter outer ring D1: 115mm. Width annular lubrication groove at outer ring b: 6mm. Diameter lubrication hole (outer ring) K: 3mm. Chamfer dimension outer ring r1,2min: 1.5mm. Taper bore: Tapered bore, taper 1:12. Abutment diameter shaft damin: 82.2mm. Abutment diameter shaft damax: 87mm. Abutment diameter housing Damax: 121mm. Fillet radius ramax: 1.5mm. Basic dynamic load rating C: 217kN. Basic static load rating C0: 240kN. Fatigue load limit Pu: 26.5kN. Reference speed: 4800r/min. Limiting speed: 6300r/min. Calculation factor e: 0.22. Calculation factor Y1: 3. Calculation factor Y2: 4.6. Calculation factor Y0: 2.8. Recommended lock nut tightening angle : 130.