Spherical roller bearings. Design: Tapered bore. Performance class: SKF Explorer. Bore diameter d: 30mm. Outside diameter D: 62mm. Width B: 20mm. Shoulder diameter inner ring d2: 37.6mm. Shoulder/recess diameter outer ring D1: 53mm. Width annular lubrication groove at outer ring b: 3.7mm. Diameter lubrication hole (outer ring) K: 2mm. Chamfer dimension outer ring r1,2min: 1mm. Taper bore: Tapered bore, taper 1:12. Abutment diameter shaft damin: 34.4mm. Abutment diameter shaft damax: 37mm. Abutment diameter housing Damax: 56.4mm. Fillet radius ramax: 1mm. Basic dynamic load rating C: 66.1kN. Basic static load rating C0: 58.5kN. Fatigue load limit Pu: 6.4kN. Reference speed: 10000r/min. Limiting speed: 14000r/min. Calculation factor e: 0.31. Calculation factor Y1: 2.2. Calculation factor Y2: 3.3. Calculation factor Y0: 2.2. Recommended lock nut tightening angle : 100.