Spherical plain bearings have an inner ring with a sphered convex outside diameter and an outer ring with a correspondingly sphered but concave inside surface. Their design makes them particularly suitable for bearing arrangements where alignment movements between shaft and housing have to be accommodated, or where oscillating or recurrent tilting or slewing movements must be possible at relatively slow sliding speeds, often accompanied with heavy loads. Specifications Design: Tapered bore. Performance class: SKF Explorer. Bore diameter d: 65mm. Outside diameter D: 120mm. Width B: 31mm. Shoulder diameter inner ring d2: 80.1mm. Shoulder/recess diameter outer ring D1: 106mm. 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: 72.2mm. Abutment diameter shaft damax: 80mm. Abutment diameter housing Damax: 111mm. Fillet radius ramax: 1.5mm. Basic dynamic load rating C: 198kN. Basic static load rating C0: 208kN. Fatigue load limit Pu: 23.2kN. Reference speed: 5000r/min. Limiting speed: 7000r/min. Calculation factor e: 0.24. Calculation factor Y1: 2.8. Calculation factor Y2: 4.2. Calculation factor Y0: 2.8. Recommended lock nut tightening angle : 115.